If you are searching for Hydrangea Leaves Turning Yellow problem so before that let me tell you Hydrangea is a flowering plant which has over 74+ Species and it was found in America and Asian regions. These plants are popular because of its blossoms that are eye catchy & its foliage is green just like any other plant. Flower is soft and colorful and its shape is like a pom-pom flower & many grow this plant because of its natural color and beauty. Only disadvantage is the foliage which doesn’t look the same if it has been affected by a problem. Many people face issues like Hydrangeas leaves turning yellow and sometimes changing its needs negatively impacted its growth. It’s important for us to determine what are the major causes in the first place which makes the leaves look that way. Lets learn how to treat this problem.
Hydrangea Leaves Turning Yellow
hydrangea leaves turning yellow indicates that its been over watered & that made the level of nutrients in soil to below the average. It is also effective in the root section which causes it to root rot. Nutrient deficiency can cause yellowing leaves , generally it means the plant might be suffering from nitrogen deficiency that can be solved using Fertilizer and given every month in the growing season.
There are Other reasons like caring mistakes and leaving plants in waterlogged situations. Now let’s Read what are the most basic reasons of Hydrangea leaves turning yellow :
- Low in Nutrients Like Nitrogen
- Waterlogged soil
- Temperature changes
- Soil Underwatered
- Leaves are burn because of Heavy Sun
- Lack of light
- Over Alkaline Soil
Low in Nutrients Like Nitrogen
One of the biggest reasons for yellowing of hydrangeas is when they become deficient for a certain nutrient. These plants need regular feeding of fertilizer in the growing season like spring to summer and when the plant goes in flower before they need a good amount of nutrition to grow the flower.
Hydrangeas are low in nitrogen as well as iron that’s making them not able to grow properly. They started drying up and the leaves became yellow and fell down, an incomplete flowering process.
Second most common reason for hydrangeas leaves becoming yellow is when the owner puts too much water although these plants love to be moist but not wet so you need to take care about watering.
When excessive water is stored into the soil , the root starts to rot and become damp and it leads to plant show leaves falling and eventually dies. Now to solve this reduce the watering and check if it is working or not.
Overwatered soil that makes waterlogged conditions can be solved with small stones that you need to put on the base of the pot , this can be done when you are repotting the plant , This will minimize the drainage issue.
How many times you should be watering depends on its top layer of soil , if it feels dry then do it otherwise wait and pour water only when it is dried out 1-2 inch from the top soil.
By Following these 2 above conditions you can solve this issue.
There are some more problems with hydrangeas and its variety, so I will be discussing those other issues.
These plants work best in ideal temperatures of 69-72 degree F and they like warm climates. When located in low temperature they may freeze and then dies faster. When this plant sees a sharp rise or fall in climatic conditions it may become hard for the plant to survive.
Also Put this in a location where there are no heavy winds as leaves of hydrangea will begin to turn yellow if it dries more than normal Or it may affect its overall growth.
Lotusmagus.com advises : Growing your plant near a wall can not only protect it from winds but also provide support for its normal growth. You can place it near the fence outdoors to reduce the wind effect.
Draft variety of hydrangeas can easily get to diseases because of low tolerance power. So Keep them in ideal room temperature in the winter season this may protect the plant from freezing at below 40 degree F so take good care of them and it will survive and regrow once spring starts and you place them in its original location where it stays in whole summers.
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If the soil near the root section constantly feels dry then your plant leaves will turn yellow in no time and fall eventually. Initially you may find yellowing of tips first then it may cover the whole leaf so how will you solve this problem? let check.
Firstly soil shouldn’t be dried out completely you need to pour water and keep it moist. If the soil is getting dried out faster then put some mulch on the surface of the soil that may help the water to stay for a long period of time. Pouring water will solve the issue and you can put water in every day.
For Mulching You can use wood chips, straws ,cones or shredded conifers.
If you have planted these hydrangeas near a Big tree then it may cause problems as trees can absorb the water easily from the side soil and even take the other plant water if needed. Then the other plant will feel less water which makes them sad as their leaves will start to fade or drop.
Leaves burn because of Heavy Sun
If you have put your plant in direct sun then they may see a leaf burning problem , in some cases the first plant will keep on drying and it may show some leaves becoming yellow. So choose a location which is good for the plant.
Sun rays can affect the leaves in a big way and it’s harmful for the indoor plants which hate the sunlight.
Lack of light
These hydrangea plants like bright light and no direct sunlight. If they don’t get proper light then the root is going to get rot in water and then leaves will turn yellow.
You should choose a place where it gets some sort of sunlight and morning sun is preferred because light doesn’t harm plants but provides energy and makes it healthy. And that 2-3 hours light is genuinely pure , but remember afternoon sun is still a problem so place it where it only gets morning sunlight.
Direct sunlight causes leaves to burn spots that don’t look good. Also They don’t like dark places so make sure to put them in a partial shade area , you can also put them under a big tree or a shrub that is bigger in size.
Over Alkaline Soil
One reason for hydrangea leaves turning yellow is because its soil has more alkaline than acidic. pH value of soil needs to be acidic not basic.
All varieties of hydrangeas like the acidic soil and hate the basic/alkaline. So before doing any potting make sure to check your soil for that and if found to be true then maybe this is the reason for yellowing.
To increase the soil pH to make it acidic you need to put citric or acetic acid in it or also lime juice can also work about 4-5 ml with 800ml of water. Also If you want soil to retain water then make sure to put some mulch in it.
If Your Hydrangeas turning yellow then it is nitrogen deficiency but if any variety shows other signs like First yellowing of leaves then makes a pattern “V” in it then it means magnesium is less in soil and to solve this you can use epsom salt that has magnesium sulphate , read the instruction if you buy that( you need to put 20g crystals in about 9 liters of water and this was pour on the root section of the plant).
yellowing of leaves shows Iron deficiency also that can be corrected with iron chelates. But all and all these deficiencies are resolved with 1 solution that is using fertilizer that can be used in spring to mid summer.
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Tips to Prevent Hydrangea Yellowing of Leaves?
- To provide all the necessary requirements and basic growing conditions you can easily prevent hydrangea leaves turning into yellow. And Here are some steps to prevent this issue. Follow it and Do Care.
- It’s Important to take Care of your plant and prevent it from completely drying out that directly affects the leaves. So Keeping it moist can be useful.
- Selecting a location which can be best for partial sunlight that needs for its flower and overall development of hydrangea.
- Less watering in Winters and Keep in check for proper irrigation of water. It shouldn’t be stuck in the soil , and drain out properly.
- Check Soil pH can be helpful in determining how its health is and what are the needs or deficiency it has or sometimes over fertilizing can become a problem.
- No need of watering in the rainy season.
- Before flowering You can use fertilizer that can be helpful in maintaining the health of hydrangeas.
- Diseased stems or leaves that become pale or having cuts can be removed using the pruners but before that sterilize the cutting tool to make it clean from any bacterial infection.
- If you encounter any fungal infection or any pest infestation use pesticide or fungicide to get rid of them. Use it Every month or read instructions from the note.
Other Hydrangea leaves problems
- Brown Spots
- Powdery Mildew
Generally these Brown Spots on Hydrangea leaves will not affect the whole plant but it makes the plant look ungly this is caused by fungal or bacterial infection on the plant and it will happen once in summer end or mid autumn. You can pinch off some of those leaves or pruning can make it fresh. These leaves will regrow again in next spring and the blooming won’t be affected by this infection, it will develop naturally and the plant will also survive without anything , what will happen is leaves will become yellow and fall off.
Here are 2 fungal infection that affect hydrangeas
- Cercospora leaf Spot
Once a plant infected with both leaf spots disease makes the green leaves into pink or brown , you may also see most at the spots on the tip and then move to the middle of the base of the leaves.
When we talk about bacteria doing this leaf spot one such pathogen is Xanthomonas campestris. This will put various spots on the veins and lower portion of the leaves generally into red or purple. Veins spots will move through the line & reach to other parts of the leaf section.
So You might have a question in mind on How to treat this brown Spots
Most probably you need garlic oil or compost tea or hydrogen peroxide(this is famous) and spray on the infected leaves and to the whole plant also.
Chemically fungicides can be used to treat this if you want an easy to use solution without doing any hard work. This can be used in every 15 days gap depending on how much the infection is.
It can be easily identified and it leaves white powder on the leaves if you find any of this on your leaves then immediately use a Neem oil that works on them or fungicide if possible. It can be harmful for the whole plant as this absorbs the energy of hydrangea and kills the plant.
What does an overwatered hydrangea look like?
The symptoms of overwatered hydrangea will look like the plant is wilted and some leaves might see fall and the bottom leaves will be touching the ground. This same situation happens in an under watering plant. but when given excess water leaves will turn yellow from tips.
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Can yellowing leaves turn green again?
No It’s not possible to turn yellow leaves into green, It’s the indication of plants facing some issues with water and getting less light that could be the reason. Other problems like Winter condition , no Ideal temperature , pets and diseases or it has been reported so it takes some time to recover. Sometimes changing the position can cause this stress in plants.
Should I remove dead leaves from hydrangea?
Yes you can do that removing dead leaves from hydrangea is safe and it will only give a boost to its new growth. Pruning can be done after it has bloomed. You can remove crossing stems and diseased ones also. Also those stems that are droopy and break from the middle. Cutting long stems can also benefit the plant.
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Do hydrangea leaves turn yellow in autumn?
Some varieties of hydrangea leaves will become yellow in fall and in some cases yellow leaves are a sign of the plant getting aged. Other reasons are overwatering and deficiency of nutrients in hydrangeas. You can get rid of these problems using fertilizer and reducing the watering.
Why are the tips of my hydrangea leaves turning brown?
If hydrangea leaves turn brown from its tips that was because of too much fertilizer that damaged the root system. Hydrangea blooms can vary in color if the cause of concern was aluminum sulfate which also affects the root if it was poured heavily. Browning of leaves would have burned the roots when feeded too much.
It’s not difficult to care for your plants, Once you start doing research you can do it on your own. Making it healthy they need time to time care and prevent any issue from becoming big.
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