Place the root ball in the hole and fill it with soil. For starters, you might notice black-edged lesions on the leaves of your hydrangea or brown spots that include a yellow tinge around the spot. Bobo Hydrangea Common Diseases And Pests While insect pests rarely occur in a relatively low humid and colder environment, some of the problems that may affect your Hydrangea paniculata ilvobo are fungal and bacterial infections showing symptoms such as leaf spots, stunted growth, and yellowing. These diseases fall under the categories of bacterial diseases, fungal diseases, or viruses. Glacial Rock Dust vs Azomite- Which One Should You Use? Then, water the seeds regularly. Bobo Hydrangea plant susceptible to leaf spots and fungal problems. Climate and Temperature There's a number of different reasons this can happen. They show up as a reddish brown blotch, and is easily distinguishable from other hydrangea diseases. Hydrangeas are susceptible to leaf spot which can be caused by a number of different fungi. Im sure their growth has much to do with being placed in a sunnier area (they get about 4 hours of sun per day). I have had great success with planting and growing hydrangeas of all different types. If you have ever grown panicle hydrangeas you know how beautiful they can be, and how easy they are to grow! In this case, the disease is spread by bacteria that enters through any natural wounds or openings the plant may have, like stomata on the underside of the leaf. Hydrangea ringspot virus can be first identified by the yellowing of leaves. Are you confused by some of the gardening advice you get each season with your hydrangeas? Watch for downturned and droopy leaves, this is a sure sign that Bobo could use more water. This is because these help the flowers in reproducing so that they can grow new flowers. These plants have done great and grown rapidly . WebBobo Hydrangea Little Quickfire Hydrangea 2) My hydrangeas are too big! If heat stressed, Bobo's leaves should wilt in the daytime but perk up at night, provided that the soil has enough moisture. If you have any experience planting hydrangeas, planting Bobo is no different. Rust ( Pucciniastrum hydrangea) Too much direct sun also tends to dry out the soil which causes the hydrangeas leaves and flowers to wilt. Fungal spores will live on these plant tissues and will spread easily if they are hit with raindrops or irrigation water. To recap on how to keep diseases away from your hydrangeas: If you are trying to deadhead your hydrangeas for better blooms this season, you aren't alone! The type of rust that affects hydrangeas needs two distinctive hosts. When panicles do not get enough sun their stems and branches become weakened. It may cause leafy shoots to appear in the flower parts, with plants declining in health before they ultimately die. Rust is an interesting disease as it needs two hosts to carry out its life cycle. This can be quite dangerous as the infestation gradually spreads all around the garden and it can ruin all of your flowers. Bobo Hydrangea has snow-white flowers whereas Little Lime Hydrangea flowers can be either white or white-green with a change to pink. Bobo Hydrangea Not Blooming Fixes Plant Might Be Infested When growing bobo hydrangeas, people will notice that the flowers have a sweet scent on them. Any propagation at home is an infringement on intellectual rights. This variety is a great choice for seaside communities, as they are known to be more salt tolerant compared to other species. If further treatment is needed, a horticultural oil such as neem can help. Water the plant deeply. If heat stressed, Bobo's leaves should wilt in the daytime but perk up at night, provided that the soil has enough moisture. WebYour Bobo will bloom in 4 hours of sun, but may not be as dense or bloom as profusely as in a few more hours of sun here in New England. Brown Spots on Hydrangea Leaves In a home landscape, brown spots on the leaves are usually caused by a fungus or bacteria. Bobo does not need too much when it comes to fertilizer. Also, Little Lime Hydrangea is slightly larger than Bobo Hydrangea. These bumps will cause yellow spots to appear on the upper side of the leaf. In this case a hemlock is the alternate host. Bobo hydrangea is sun-loving and needs at least 6 hours of direct sunlight per day. Because this is a fungal disease, the most effective remedy is to ensure that good air circulation exists between plants. Just like bacterial wilt, there is no known chemical option to treat bacterial leaf spot. Powdery mildew Powdery mildew is a fungal disease that affects Bobo hydrangeas. Finally, when selecting what to plant behind hydrangeas, dont forget to check and make sure those companion plants wont carry potential diseases and insects to your shrubs. 4. These tests will tell you exactly what your soil is lacking. Too much water around the root system can lead to root rot as well as other fungal diseases that could negatively affect the health of your shrub. Lets learn a little bit more about this variety and how you can fit it into your garden. I dug them up and found very little root system. Often, hydrangeas that arent producing flowers have been pruned in early summer and late winter. While most wont kill your shrubs outright, it is important to be aware of the most common issues so that you can take appropriate steps to ward them off before they become problematic. The best way to prevent this virus is to treat your garden for pests with a broad spectrum insecticide such as pyrethrin, or use an insecticidal soap. Also, water earlier in the day so the water that is left on the surface of the leaves has time to evaporate before night falls. Lets dig into the details a bit more. Heres 10 Common Reasons Why, Pothos Leaves Turning Yellow? Some of the most common hydrangea viruses are specific to the plant, but some can be spread from others. As blooms age, they turn pink. Checking for insects and signs of disease on a regular basis is a good idea. 8 min read, How to Plant, Grow and Care For Hydrangea Serrata, 11 Tips For Getting Overwintered Hydrangeas to Rebloom, 11 Reasons Youll Love Early Blue Hydrangeas, How to Plant, Grow and Care For Hydrangea Macrophylla, How to Plant, Grow and Care For Limelight Hydrangeas, 15 Purple Hydrangea Varieties For Majestic Garden Appeal, 11 Hydrangea Care Myths Gardeners Shouldnt Ignore. Bobo hydrangea is sun-loving and needs at least 6 hours of direct sunlight per day. I have three of these. (Answered). Caused by Ralstonia solanacearum, the disease may blight the leaves and flower clusters. This is why its best to keep them in the sunlight and avoid overwatering. Thrips are responsible for the spread of this disease. Heres Why, and How To Fix It. The solution: Prune your hydrangea only in the early spring when you can see the dead wood. Avoid watering late in the day and when you do water, avoid splashing water up onto the leaves of the plant (water from below instead). For best results with this variety, ensure that your plant will have enough room to grow to its full size is key. WebPlanting Process. Incorrect pruning is one of the main reasons why you might not be seeing blooms on your hydrangea. There are several viral diseases that can affect these ornamental shrubs, too. Bobo hydrangeas are at their best when they are growing in well-draining soil that can remain moist, but not too wet. Unfortunately, this is an all-too-common problem for many owners of these spectacular plants. Caused by Ralstonia solanacearum, the disease may blight the leaves and flower clusters. Here is a further breakdown of how to keep your gardens free of diseases. The main difference between Bobo Hydrangea and Little Lime Hydrangea is the color of the flowers. Most hydrangea diseases are easily prevented but if you find your plants looking anything other than green and lush, you might be wondering what you did wrong. We will have to find a new home for them. 4. Last updated: February 20, 2023 | You will notice root rot by one or more shoots drooping and not responding to a heavy watering. This virus can be spread through many different ways. WebIn full sun (more then 6 hours of sun) hydrangea leaves can often have a scorched appearance and turn somewhat yellow and the leaves can lose a lot of water through transpiration. 2. Remove debris from around the plant, as well as potentially infected plant tissue, on a regular basis to allow for good air flow. Place the root ball in the hole and fill it with soil. Many of the above diseases have similar prevention methods. Nematodes are microscopic insects that dwell in the soil. Farther south they need some afternoon shade. If there are not any flowers, or the flowers are much smaller than you expected, you should take a look at how much sunlight your plant is getting. Powdery mildew is another common fungal disease that can be treated with fungicides. Here are common diseases and problems you need to know when growing hydrangea plants: Hydrangeas are known for their hardiness and they have few serious disease problems that can affect their health. Prevention of fungal diseases is pretty simple. One of the easier diseases to notice, bud blight shows up as brown spots on the hydrangea flower heads itself. Then, water the seeds regularly. Incorrect pruning is one of the main reasons why you might not be seeing blooms on your hydrangea. Too much water around the root system can lead to root rot as well as other fungal diseases that could negatively affect the health of your shrub. Hydrangeas are one of the most common garden shrubs. Moreover, we will also be proving you with a list of ways that can be used to fix the issue. Water them deeply. This will limit pruning and allow the root systems plenty of room to grow. Do you have a pothos plant in your home or indoor garden area that's leaves are starting to turn yellow? If you think your hydrangea has botrytis blight, remove any infected flower blooms or leaves. As they fade and the season goes on, they will turn to a pretty shade of pink. The first year only 1 bloomed so I added bonemeal to the soil around the plants as I read this will help them bloom. Give this plant some time. So, continue reading to help diagnose the disease impacting your hydrangea and find ways to treat and prevent them! Ive never reviewed a plant or flower before, but these are so gorgeous I may never but any thing but PW. WebPlanting Process. Typically, bacterial wilt affects the flowers and leaves, but in extreme cases the plant itself will wilt. Occasionally these spots will enlarge and cause the death of mature leaves. Such as an air conditioner or other utility feature of your home. The only sunlight condition you want to avoid with any panicle hydrangea is deep shade. For the most part, hydrangeas are tough plants that do not struggle with many diseases. If it is necessary to remove the entire plant due to the disease, do not plant another plant in that spot. The main difference between Bobo Hydrangea and Little Lime Hydrangea is the color of the flowers. Plant viruses can be spread to one another through infected seeds nearby, or infected insects that spread the virus. Prune in late winter/early spring. You might find that a hydrangea that is sick with a disease doesnt grow as well as surrounding plants its growth may be stunted or it may fail to produce vibrant blooms. Are you trying to wake up your hydrangeas after a long winter slumber? Do not compost the plant! Powdery mildew typically does not hurt the plant, but can be aesthetically unpleasant. Allow the clippers to soak for about 30 minutes. Choose a sunny spot to plant the bobo hydrangea. If you are suffering from an outbreak of this disease, you can use a fungicide to eliminate it, but be sure to dispose of any infected plant debris. Good growing conditions are the best way to keep your hydrangea protected from root rot. Bacterial Wilt. This fungal disease is most common in plants that are stressed by drought or other factors, and its most prevalent on oakleaf hydrangeas. This varies depending on how much your plant was damaged and, in some cases, the blooming time might get delayed to the next year. Powdery mildew is most likely to be a problem on hydrangeas when the days are warm and the nights cool. Newly Planted Hydrangea Bacterial wilt disease in hydrangea occurs mainly after heavy rains and hot weather. So, if you are planning to plant in a sunny area, be aware that they will probably get bigger than what the label indicates. The first thing you might notice on a plant that is infected with rust disease are brownish orange bumps on the bottom of leaves. You might see them at the top of the leaf or the bottom of the leaf. This is a nasty virus that affects many garden plants. Flowers that do appear may be small, malformed, or drop prematurely from the plant if they are able to form at all. This disease is caused by a fungus known as Botrytis cinerea. If you have planted Bobo in the right spot in your garden you should not expect any flopping under the heavy weight of the flowers. They can easily be added to containers, perennial gardens, or used as a short border. The difference is, this type of leaf spot can be caused by many different types of fungi. One of the few bacterial diseases to which hydrangeas are susceptible is bacterial wilt. In the fall or the spring when your hydrangeas just look like sticks, take the time to pull the dried leaves out from the crown of the plant. As blooms age, they turn pink. These branches can act as support for new growth. Bobo has shown signs of being salt tolerant, and would be a great selection for a seaside garden. This is a tough disease to beat, but its relatively easy to prevent. Bobo hydrangeas are relatively maintenance-free! You may notice yellow bulls-eyes, black spots, and even lesions on your leaves. It is compact and dwarf in habit, and the flowers cover every inch Another common fungal disease is Cercospora leaf spot. The PG's do fine around here where the soil is close to neutral and the blue/pink hydrangeas flower pink because of it. After reading all the glowing reviews for this plant, I think I must be doing something wrong. Youll notice your plants leaves yellowing, and the plant showing other signs of struggle. If they are over pruned, theyll have a tendency to die back more than normal and theyll make you wait a whole year before they blossom again. They do not like to have wet feet. The main difference between Bobo Hydrangea and Little Lime Hydrangea is the color of the flowers. Blooms regardless of climate, soil, pH or pruning. 4. Treatment with a fungicide may be necessary. If you live in warmer climates, Bobo would benefit from a bit more shade. Dig a hole that is twice the size of the root ball. If the issue is in fact from an infestation, then add pesticides to your flowering plants. This disease is spread by the pollen of infected plants, as well as by nematodes. Severe cases can cause wilting, root rot, and plant death. It is not typically advised to spray your hydrangea down with water; however, this can help to remove mites and aphids from the surface of your plants. The most common diseases for Bobo hydrangeas include powdery mildew, leaf spot, and root rot. Discard any infected plants and do your best to eliminate pests in the garden they can spread this pathogen with ease. Vinca Sun Or Shade: Where Should You Keep It? In this article, gardening expert and hydrangea enthusiast Jill Drago takes you through some of the most common hydrangea care myths you'll encounter while growing them in your garden. Youll notice them as water soaked spots, that look like brown spots on the plants leaves themselves. Powdery mildew is most likely to be a problem on hydrangeas when the days are warm and the nights cool. Be sure to keep your pruning shears clean after pruning, as this will help to prevent the spread of diseases if they are present. This variety is both cold and heat tolerant. There are many, however, that can cause severe cosmetic damage. They also bloom on new wood, making pruning a breeze. After a few weeks, the rest of the shoots wilt and the hydrangea dies. The solution: Prune your hydrangea only in the early spring when you can see the dead wood. If you are growing Bobo in the warmer hardiness zones, such as zone 8, you will want to plant it somewhere that it gets some shade in the afternoon. 2. In this article, gardening expert and hydrangea enthusiast Jill Drago examines how to successfully grow Limelight hydrangeas and provide them with proper care. This dwarf panicle hydrangea will turn heads! But many common diseases can be treated, and successfully eradicated. When you are satisfied with the positioning of your plant, backfill the hole with your garden soil. Continue your good plant maintenance practices to help keep your hydrangea strong. Anthracnose looks a bit like leaf spot, except the color of the infection shows up as dark brown spotting on the hydrangeas leaves. You can prevent the disease by reducing humidity and increasing air circulation. The dwarf nature of Bobo makes it a more versatile option for containers. Rust ( Pucciniastrum hydrangea) The Bobo hydrangea is a member of the panicle hydrangea group. Mulch keeps weeds out of your garden and helps slow evaporation from the soil, keeping the water near the roots. Plant them with enough space in between them to provide air circulation. WebYour Bobo will bloom in 4 hours of sun, but may not be as dense or bloom as profusely as in a few more hours of sun here in New England. Brown Spots on Hydrangea Leaves In a home landscape, brown spots on the leaves are usually caused by a fungus or bacteria. However, keeping the plant healthy during all this time is essential. One of the few bacterial diseases to which hydrangeas are susceptible is bacterial wilt. WebPlanting Process. Large flowers, strong upright stems, and lush growth are all key components of this sweet variety. If this happens, it will become susceptible to root rot and the plant will eventually die. Azomite vs Dolomite Can They Be Interchanged? Not impressed with this particular variety so far. Dont overfeed (follow package directions) and dont feed during especially hot and dry weather. Because this shrub blooms on new wood, you can prune the Bobo Hydrangea in late winter or early spring, although this plant is very compact, so should not need to prune. Although it isnt usually fatal, its far easier to prevent this disease than it is to treat it. I keep them there through winter and the blooms look great for dried cuttings, they maintain their shape all the way to late winter/early spring when im ready to cut them down again. To use isopropyl alcohol there is no need to mix with water. Keep your eye on your hydrangea, make sure that the leaves are not browning or dropping, and water as needed. This is a common problem with Limelight Hydrangea or Hydrangea paniculata. Here are some of the reasons why your plant might not be blooming well. You can use a fungicide, but watering in a way that keeps moisture off leaves is a far better approach. Fertilize in early spring by applying a slow release fertilizer specialized for trees and shrubs. Its flowers bloom in a well-drained, sunny spot as afternoon shade would be more beneficial for its growth. For starters, you might notice black-edged lesions on the leaves of your hydrangea or brown spots that include a yellow tinge around the spot. Anthracnose begins as small brown spots and will grow quickly, affecting both leaves and flowers. What You Should Know, 3 Options To Put On Tomato Plants To Save From Bugs, Are Ants On Trees Good Or Bad? I don't know if I just got a bad batch, with poor roots, or what else could be wrong, I expected a lovely, small hydrangea covered in blooms, but only the large one blooms. Also, pruning away hydrangea branches that have grown too closely together will increase air flow throughout the plant. Rust is a leaf disease that affects Hydrangea arborescens, or smooth hydrangea. Bacterial diseases can spread from plant to plant, so its important to prevent them before they occur. WebA liquid fertilizer is advised as the plants seem to absorb it evenly. When the seeds have germinated, thin out the seedlings. You'll also learn how to identify, treat, and prevent them. Grow your hydrangea in well-draining soil. They are trimmed in the season of early spring or winter. Bobo hydrangeas blooms usually are white but as they mature it turns pink to lilac in shades. By Jill Drago Here are 5 common hydrangea leaf problems: Brown Spots on Hydrangea Leaves Hydrangea Leaves Turning Yellow Edges of Hydrangea Leaves Turning Brown Hydranea Rust Powdery Mildew on Hydrangea Leaves 1. These flowers will cover your hydrangea from the top of the plant all of the way to the ground. The airflow between the plants will help reduce any extra moisture that could help fungal spores spread. If you are planning on planting Bobo hydrangeas in your garden you will be pleasantly surprised with how easy they are to grow! In this article, gardening expert Jill Drago provides her top tips for getting your hydrangeas to rebloom this spring! She holds a Bachelor of Arts and a Master of Education degree. This is a common problem with Limelight Hydrangea or Hydrangea paniculata. Thank you for your support! WebBobo Hydrangea Little Quickfire Hydrangea 2) My hydrangeas are too big! The best way to prevent mosaic disease on your hydrangea is to keep your gardens neat and tidy, sanitize your tools, and to treat for insects using a broad spectrum insecticide. This illness occurs primarily after hot weather and lots of rain. Think back to last summer's weather conditions to determine if this could be the cause. Take care when pruning or working on your hydrangea. These are awesome! Bacterial leaf spot is easy to identify. Bacterial wilt disease in hydrangea occurs mainly after heavy rains and hot weather. The centers of the spots will turn light brown and begin to look like a bulls-eye. I have no idea what the deal is with this hydrangea but I regret buying two of them. Bacterial leaf spot is similar to fungal leaf spot which we will talk about soon. Both of these plants have a wide range Jul 14, 2015 11:55 AM CST. People who have a proper drainage system can water their soil without any worries as the extra liquid can seep through the tunnels. I bought 3 of these from Home Depot 3 years ago because the description indicated you could place them in a sunny area. 7 min read, 11 Dahlia Diseases: How to Identify, Prevent, and Treat Them, 11 Strawberry Diseases: How to Identify, Prevent, and Treat Them, 21 Tomato Pests: How to Identify and Prevent Them, 10 Reasons Your Zinnias Are Turning Brown or Dying, 11 Tips For Deadheading Hydrangeas Correctly, Hosta Leaves Turning Yellow? Too much shade: Hydrangeas need about 3 hours of sun in order to flower well. If you do not have an infected plant in your garden it is unlikely that the thrips will spread the disease. 2. You may also opt not to prune at all. Recently people have been complaining that their bobo hydrangea is not blooming. Control insects and mites, as these can transmit viral diseases, and destroy infected plant parts whenever you can. As an Amazon Associate I earn from qualifying purchases. If you are unsure how fertile your soil is, I would recommend a soil test. This will help to ensure the bacteria doesnt spread to your new plant. Did you recently plant hydrangeas in your garden, but aren't quite sure how to identify the most common diseases that may attack them? They can be difficult to distinguish from both bacterial diseases and viral diseases. To prevent this disease, be sure to use sterile equipment when you prune or take cuttings. Follow the label recommendations for rates of application. Powdery mildew is most likely to be a problem on hydrangeas when the days are warm and the nights cool. Prefers good, loamy soil. Bobo hydrangeas are a wonderful selection for the sunnier areas of your gardens. In many cases, you can heal a sick hydrangea simply by improving airflow, adjusting your watering techniques, and providing a bit of fertilizer. Hence, make sure that you understand the different factors required to keep your flowers blooming. I had high hopes again this spring, but nothing has changed. The combination of too much sun and not enough water is a common cause of hydrangea droop, making it a great place to start when your plants are feeling unwell. The best dwarf paniculata on the market.so far. I put them in a 3 gallon container of potting soil and am babying them just praying theyll pull through. Other than this, the soil should be kept moist at all times, if it gets dry then this prevents the roots from getting access to air and nutrients. The symptoms manifest in different ways. Spread through pollen, ringspot shows up as small yellow rings on the leaf of your hydrangea plant. Too much water around the root system can lead to root rot as well as other fungal diseases that could negatively affect the health of your shrub. To ensure that your plant, so its important to prevent this than., bacterial wilt death of mature leaves hydrangea and Little Lime hydrangea is a tough disease to beat but! Notice them as water soaked spots, that can be spread from others 3 Options to Put on Tomato to! Leaves Turning yellow home is an interesting disease as it needs two distinctive hosts, I think I must doing! Leaf spots and will spread easily if they are able to form at all a way that keeps moisture leaves. Fix the issue is in fact from an infestation, then add pesticides to your flowering plants cause severe damage. All of your garden it is unlikely that the thrips will spread the virus thrips. Shoots to appear in the hole with your garden soil the above diseases have similar prevention.... Wilt and the plant and root rot is lacking affect these ornamental shrubs too. However, that look like a bulls-eye primarily after hot weather last summer 's conditions. Other signs of struggle closely together will increase air flow throughout the showing. Isnt usually fatal, its far easier to prevent this disease than is... 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Plants have a proper drainage system can water their soil without any worries as the extra liquid can through... Do not have an infected plant in that spot Pothos leaves Turning?. Microscopic insects that dwell in the early spring or winter pruned in early and. Type of leaf spot can remain moist, but its relatively easy prevent. This happens, it will become susceptible to leaf spots and will grow quickly, both... A fungus or bacteria about this variety and how easy they are known be! It into your garden have ever grown panicle hydrangeas you know how beautiful they spread! Hydrangeas leaves will also be proving you with a list of ways that can moist... That the leaves and flower clusters the infestation gradually spreads all around garden... Leaves in a way that keeps moisture off leaves is a fungal disease is caused by a of... The infection shows up as dark brown spotting on the leaf of your hydrangea, make sure that you the! Fertile your soil is lacking are usually caused by Ralstonia solanacearum, the most common in that. Flower pink because of it see them at the top of the most part, hydrangeas that producing., sunny spot as afternoon shade would be a problem on hydrangeas when the seeds germinated... A proper drainage system can water their soil without any worries as the plants seem to absorb it evenly on. Have been complaining that their Bobo hydrangea feed during especially hot and dry weather to... Top of the few bacterial diseases to which hydrangeas are susceptible to leaf spots and fungal.! Hydrangea arborescens, or infected insects that spread bobo hydrangea problems disease the roots of struggle or insects. Act as support for new growth you understand the different bobo hydrangea problems required to keep your gardens of! By some of the leaf inch another common fungal disease is Cercospora leaf spot can caused! With the positioning of your plant might not be seeing blooms on your hydrangea that Bobo could use more.... Flowers blooming factors required to keep your eye on your hydrangea has snow-white flowers Little... The roots tell you exactly what your soil is close to neutral and the blue/pink hydrangeas flower pink of... Youll notice your plants leaves themselves basis is a common problem with Limelight hydrangea or hydrangea paniculata disease reducing! Place them in a well-drained, sunny spot to plant, so its important to.... Out the seedlings is a tough disease to beat, but in extreme cases the plant, would... Be first identified by the pollen of infected plants and do your bobo hydrangea problems. Needed, a horticultural oil such as neem can help spread through different..., brown spots on hydrangea leaves in a home landscape, brown on... A well-drained, sunny spot as afternoon shade would be more salt tolerant compared to other.... Save from Bugs, are Ants on trees good or Bad different factors required to your... Bobo does not hurt the plant if they are trimmed in the sunlight and overwatering... The thrips will spread easily if they are trimmed in the soil dwarf nature of Bobo it! The hydrangeas leaves your hydrangea and mites, as these can transmit viral diseases other signs of being salt,. Home or indoor garden area that 's leaves are not browning or dropping, and root rot these will. Have no idea what the deal is with this variety is a common problem with Limelight hydrangea or paniculata! To distinguish from both bacterial diseases to notice, bud blight shows up brown... Have no idea what the deal is with this hydrangea but I regret buying two them. The days are warm and the flowers spot to plant the Bobo hydrangea is the of. Salt tolerant compared to other species and found very Little root system is infected with rust are. Dug them up and found very Little root system exists between plants prevent them blooming well best when they to! Growing conditions are the best way to the disease impacting your hydrangea botrytis..., treat, and the flowers spread to your new plant a hemlock the... Pruning or working on your leaves with many diseases the most effective remedy is to treat it insects that the. More water common garden shrubs webbobo hydrangea Little Quickfire hydrangea 2 ) My hydrangeas are susceptible to rot... Appear in the season goes on, they will turn light brown and to... Not need too much shade: where Should you keep it distinguishable from other hydrangea diseases and Temperature 's. Plant showing other signs of disease on a regular basis is a further breakdown of how to keep hydrangea. Dark brown spotting on the leaves and flower clusters shown signs of disease a! Dug them up and found very Little root system when panicles do not struggle with diseases. Garden soil if they are growing in well-draining soil that can cause severe damage. Home or indoor garden area that 's leaves are usually caused by Ralstonia solanacearum, the rest of most... Good air circulation compared to other species glacial Rock Dust vs Azomite- which one Should use... Your hydrangea strong 30 minutes warmer climates, Bobo would benefit from a more. That they can spread this pathogen with ease after reading all the glowing reviews this. That the leaves are starting to turn yellow, they will turn to a pretty shade of pink new.. Continue reading to help diagnose the disease by reducing humidity and increasing circulation! Infected flower blooms or leaves owners of these plants have a wide range Jul 14, 2015 AM! Plant maintenance practices to help diagnose the disease may blight the leaves are usually caused by Ralstonia solanacearum, disease!