Although the hydrangea’s leaves and flowers seem delicate, little careful care is actually needed for them. Everything you need to know about caring for hydrangeas is provided in these recommendations.
- Over the course of the growing season, water at a rate of 1 inch per week. To promote root growth, deeply water three times each week. All varieties of hydrangeas benefit from constant moisture, but bigleaf and smooth hydrangeas need more water. To water thoroughly while keeping moisture off the flowers and leaves, use a soaker hose. Hydrangeas won’t wilt as much if they are watered early in the day on hot days.
- To keep the soil around your hydrangeas cool and moist, add mulch. Over time, an organic mulch decomposes, supplying nutrients and enhancing soil texture.
- Apply fertilizer according to the type of hydrangeas you have. Every variety has varied requirements and will profit from applying fertilizer at various times. A soil test is the most effective tool for determining your fertility requirements.
- In March, May, and June, bigleaf hydrangeas require numerous mild fertilizer applications.
- Two applications in April and June work best for oakleaf and panicle hydrangeas.
- The only time smooth hydrangea plants require fertilizing is in the late winter.
- By selecting cultivars with resistant characteristics, you can avoid pests and diseases. Hydrangeas can have leaf spots, bight, wilt, and powdery mildew. Although they are uncommon on hydrangeas, pests might arise when the plants are under stress. Aphids, leaf tiers, and red spider mites are examples of potential pests. Your best line of defense is to properly care for hydrangeas.
How can you assist a hydrangea in need?
A hydrangea’s roots can be burned if too much fertilizer is used, which will likely result in the plant dying, turning brown, and drooping.
As such, hydrangeas are not heavy feeders and do not require annual feeding in the same manner as roses do, and doing so can actually be detrimental.
Hydrangeas frequently develop and flower to their full potential if they are planted in healthy soil or the soil has been modified with compost prior to planting.
The hydrangea should flourish if a 1-inch-thick layer of mulch is applied around it to assist retain moisture and supply nutrients to the soil (compost and leaf mould are ideal options).
Only in the following circumstances should fertilizer be used:
- Planting the hydrangea in sandy soil (which is nutrient poor).
- The hydrangea is in a pot or other container where the roots have used up all the nutrients in the soil.
In these two situations, it is recommended to use an all-purpose fertilizer with equal parts nitrogen, phosphorus, and potassium (NPK) that is applied once in the spring and is generally well-balanced.
The roots of your hydrangea can be burned by well-rotted manure, especially if it is added to the soil after planting. However, if the manure is made from poultry manure, it may contain a lot of nitrogen.
To prevent issues, I advise putting compost to the soil as a soil amendment (fresh manure is particularly harmful, always allow it to rot for a year or so before using manure on your garden).
If your hydrangea is exhibiting indications of stress as a result of being recently planted in soil that has been altered with manure, move it to a location with soil and compost, and it should recover.
Reduce the amount of fertilizer used and remove any discolored leaves or blossoms. To assist the hydrangea recover, thoroughly water it in an effort to dilute the soil’s water-soluble nitrogen.
Key Takeaways:
- Most frequently, hydrangea deaths are caused by the soil’s lack of moisture. Because they need their soil to be continually moist, hydrangeas will droop or even die in a dry environment.
- Drought, transplant shock, frost damage, and too much sun can all cause hydrangeas to perish.
- If the pot base doesn’t have drainage holes, potted hydrangeas may succumb to root rot. Small containers may dry out too rapidly and limit root expansion.
- Water hydrangeas liberally, cover them with compost mulch, and keep them out of the sun and wind to help them recover. To encourage healthy growth, remove any growth that has been sunburned or damaged by frost.
Why isn’t my hydrangea growing properly?
Nearly nothing is as showy as a hydrangea (Hydrangea spp.) in full bloom as far as blooming shrubs go. The bushes’ enormous clusters of pink, white, or baby blue blooms and thick foliage make them highly desired. Hydrangeas will flourish, thrive, and last if they are given the proper care. Failure to thrive or even death of hydrangeas is typically caused by one or more unfavorable environmental or cultural factors, many of which may be remedied.
According to Missouri Botanical Garden, shrubs are generally hardy in U.S. Department of Agriculture plant hardiness zones 3 through 9, depending on the species.
Tip
Problems with hydrangeas, such their inability to grow or bloom, may be caused by unfavorable weather conditions like frost or too much sun, or they may not be receiving enough water. They could potentially be harmed by ineffective pruning.
How do I get my hydrangeas to grow well?
Planting hydrangeas is a present you can give yourself. These lovely flowering plants are a great addition to any environment thanks to their profusion of vibrant blossoms.
How to Choose Hydrangeas
The hydrangea plant comes in a variety of varieties. Although one is a vine called climbing hydrangea, the most grow as shrubs. The most popular hydrangea varieties in zones 6 through 9 may be mophead and lacecap varieties, which can serve a variety of purposes in the landscape.
Choose panicle, smooth, or oakleaf hydrangeas to grow as a hedge; these varieties also have attractive fall foliage.
Choose an oakleaf hydrangea or a climbing variety if you intend to cultivate hydrangeas in complete shade.
The panicle hydrangea, which can be grown as a tree, is the variety you want if you’re growing hydrangeas in colder climates because it has the most winter hardiness.
Where to Plant Hydrangeas
Light and moisture are the most crucial elements to consider when deciding where to plant hydrangeas. Plant them in the South where they’ll get early sun and afternoon shade. You can grow the wildly popular French (also known as bigleaf) hydrangea or panicle hydrangea under these circumstances. These identical varieties of hydrangeas can withstand full-day sun in northern regions.
The root term “hydra” (as in hydration) in the name “hydrangea” provides a hint as to how much water these plants require. Make sure the location you choose is near a water source. Also be aware that French hydrangeas typically require the most water to flourish.
What Kind of Soil to Use for Hydrangeas
Concentrate on enhancing the native soil if you want to cultivate hydrangeas in planting beds. Mixing equal portions of Miracle-Gro Garden Soil for Trees and Shrubs and existing soil is one quick and easy way to do so. You can also plant hydrangeas in containers in warmer climates (zones 7 and higher), where winters are often not too harsh. Use Miracle-Gro Moisture Control Potting Mix to fill pots to provide the ideal habitat for them.
It is important to note that the pH of the soil, which indicates how alkaline or acidic the soil is, affects how the blossom color of lacecap and mophead hydrangeas changes. In alkaline soil, flowers bloom pink to red, while in acidic soil, they turn lavender to blue.
When to Plant Hydrangeas
The ideal time to plant hydrangeas is typically when you see them on sale at neighborhood garden centers. By region, this timing will change. For instance, hydrangeas should be planted in the early spring or early fall in regions with freezing winters and snow (as soon as summer heat breaks). The planting window for hydrangeas is longer in warmer climates with moderate winters, lasting from fall until early April.
Planting Hydrangeas In-Ground
The type of hydrangea you are growing will determine how far apart you should space your plants. The plant tag should ideally be examined. Keep in mind that hydrangeas grown in the shade typically develop slightly larger and wider leaves. Dig a hole that is twice as wide as the container the hydrangea arrived in when planting it. Fill the hole with the 50-50 soil mixture mentioned above after setting the plant in the hole so that the root ball is at the same level as it was in the container. After planting, thoroughly water.
Planting Hydrangeas in Containers
Verify once again that plants are planted at the same depth as they were growing when planting hydrangeas in containers. The size of the container you should choose will depend on how big your hydrangea will get. It’s generally okay to begin with a pot that is 2 inches bigger than the one the plant is currently in.
Watering Hydrangeas
After planting, give the plant plenty of water, making sure to moisten the soil around the root ball. You might not need to water the hydrangeas again until growth picks again if they are dormant (without leaves).
In soil that is consistently moist, hydrangeas flourish. At least once per week, check the soil. It’s time to water when the top inch of soil is dry. Except in times of drought, hydrangeas can usually thrive on rainfall after they are established.
Mulching Hydrangeas
After hydrangeas are planted, mulch the area surrounding the plants (but not on top of them) with a 2- to 3-inch layer. Mulch inhibits weed development and sunlight availability, helping to keep soil moist and prevent weed growth. Pick the mulch that complements your landscape the best, whether it’s Scotts bagged mulch, chopped leaves, pine straw, or another locally accessible material.
Feeding Hydrangeas
When hydrangeas first start to grow in the spring and again right before the summer, fertilize them. After August, especially in areas with chilly winters, refrain from feeding hydrangeas. It is best to use a slow-release plant food. Try Miracle-Gro Shake ‘n Feed Flowering Trees & Shrubs Plant Food, which provides nutrition for up to 3 months, for the greatest results.
Pruning Hydrangeas
The sort of hydrangea you are growing will determine when to prune it. You should prune plants as soon as flowering is ended because French and oakleaf hydrangeas both produce flowers on old wood (stems from the previous year). Hydrangeas, both smooth and panicle, bloom on new growth, so you can clip stems in late winter or early spring. In general, hydrangeas shouldn’t require much pruning beyond removing dead or broken wood as long as you give them enough space to spread and grow to their full size.
Protecting Hydrangeas in Winter
In order to assist safeguard flower buds that have already grown for the following year, many gardeners in cooler regions create a burlap screen around oakleaf and French hydrangeas. Making sure the hydrangea you’re growing is hardy in your gardening zone, though, is the most crucial component of winter protection.
Using Hydrangeas in Your Landscape
The garden can use hydrangeas for a variety of purposes. Plant hydrangeas as a foundation planting around a house or as a privacy hedge. Potted hydrangeas can add beauty to a deck or entry garden, and a single hydrangea can serve as the garden’s focal point. Additionally, hydrangeas blend in well with diverse borders of perennials and shrubs and offer a natural-looking element to a woodland scene.
Wedding bouquets and vase fillers both love using fresh hydrangea flowers. Most experts advise waiting to allow flowers age and dry naturally on the plant if you want to dry hydrangea blooms. Harvest when you favor the color stage.
Ready to begin hydrangea cultivation? To learn more about a product, to buy it online, or to locate a retailer near you, click on any of the product links above.
How do you get hydrangeas to bloom again?
The classic romantic summer bloom is hydrangeas! They are famous for their tiny floweret clusters and large, moppy crowns. It’s sheer delight to have a large bouquet of flowers cut and put on a table! Yes, hydrangeas are among the most popular flowers out there. These dramatic beauty can, however, be a little bit diva-like, like many other things. As soon as they are cut and brought inside, they frequently wilt. And droopy hydrangeas are not at all attractive! Here are some methods for ensuring full, long-lasting cut hydrangeas!
When hydrangeas are in full bloom, cutting them is very different from cutting them at the end of the season when they are papery and essentially don’t require water to keep lovely. The following wonderful advice can help you keep freshly cut hydrangeas in your home all summer long.
TAKE A CONTAINER OF WATER OUT TO THE GARDEN WITH YOU WHEN CUTTING HYDRANGEAS.
Hydrangea stems need to be placed in tepid water as soon as they are cut. Each stem should be cut diagonally with clippers or a sharp knife before being submerged.
Hydrangeas should only be pruned in the morning and with the most developed blooms. They will have a little paperier appearance than the others.
STRIP THE LEAVES OFF OF CUT HYDRANGEA STEMS
Make sure to pluck the leaves from each hydrangea stem before bringing them indoors. I should not breach this rule as often as I do. Large water consumers, the leaves will siphon water away from the blooms. At the very least, remove most of the leaves. Those who are submerged should definitely be taken out!
CUT AND SMASH THE BOTTOM OF THE STEMS
To achieve the required length, trim the hydrangea stems. To encourage more water to move up the stems and nourish the blooms, smash them right down to the bottom. I break the ends of the hydrangeas I bring inside with a wooden meat mallet. Instead of breaking a stem, you may also cut the bottom of each one diagonally and then chop it up.
The practice of smashing hydrangea ends is not without criticism. If I employ the boiling water method, I find that it does work nicely.
BOIL WATER AND DIP EACH HYDRANGEA STEM INTO IT
water that is on the boil The sap that hydrangeas produce clogs their stems and prevents water from reaching their stunning blossoms. The sap can be removed with the aid of hot water.
Fill a cup with boiling water. Each stem should be dipped into the boiling water for 30 seconds before being immediately placed in a vase or other container with room temperature water (see directions above).
REPLACE WATER EVERY OTHER DAY
Hydrangeas will remain fresher for a longer period of time if the water in the vase or other containers is changed! Additionally, before putting hydrangeas in fresh water, give them a fresh cut and dip them in hot water!
EMERGENCY RESCUE FOR WILTING HYDRANGEAS
You can completely submerge hydrangea blossoms for around 45 minutes if they begin to prematurely wilt. Recut the stems, boil some water, and then put them back in a vase with fresh water. They should regain consciousness in a few hours and live for one or two more days.
To have a large, gorgeous bouquet of hydrangeas adorn your home, a little extra effort is required, but it is so, so worth it!
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