If you live in warmer regions, plant where the blooms can get two to three hours of morning sun and partial shade in the afternoon. Place the plant in the hole, making sure that the crown of the plant where the base of the stem meets the soil is even with the ground level. Hydrangeas prefer loamy mixture of sand and silt with a bit of clay and moist soil, so make sure you frequently check it in the beginning to ensure that it isn't dry or soaking wet.
It's OK to cheat and buy a shrub from your local gardening center, instead of trying to grow your hydrangeas from seeds—especially since seeds are hard to come by. These flowers love water—so you'll want to keep them hydrated.
Overwatering can actually cause the plant to grow without flowers. It's better to give it a heavy soaking once a day or whenever the soil needs it , preferably in the morning or early afternoon, than various applications of less water.
Along with pruning dead stems and blooms, you'll want to protect your hydrangeas during the winter. With larger containers, because they hold more soil and more water, you won't have to water them as frequently.
When it comes to the planting process, it's similar to what you would do with in-ground hydrangeas, but you'll use pre-mixed, bagged potting soil. If you have a larger container, you can also mix in other flowers for a colorful look—check out some container gardening ideas for inspiration. Like in-ground hydrangeas, the ones in planters need a lot of water.
To determine if your flowers need water, you can use the same method of sticking your fingers in the soil to gauge dryness. McEnaney says container hydrangeas might need more water since they're not established in the ground and have less soil to soak up the water from.
By Sarah Yang Updated May 21, Hydrangeas prefer temperatures between 50 and 70 degrees Fahrenheit, but can also do well with slightly higher temperatures. Hydrangeas must be kept fully watered at all times.
Never let the soil dry out completely, which will kill the plant. If it doesn't have a saucer, get one. Water in small amounts several times a day for best results. If you insist on fertilizing, make sure the brand you use is properly balanced for indoor potted hydrangeas. Use the fertilizer only at half strength as hydrangeas burn easily with strong fertilizer.
Fertilize once every two weeks while blooming, and only once a month while dormant. You often find this on the north or south side of your home. Avoid planting directly underneath trees, which can lead to competition for water and nutrients.
High winds can rip and damage leaves and destroy the flowers. Hydrangeas grow well in soil containing an abundance of organic material. Good drainage is vital.
While hydrangeas like moist soil, they cannot tolerate being waterlogged. Soggy, poor draining soils can cause root rot. In just a few weeks, your hydrangeas can quickly die.
If you have heavy soil, consider mixing in plenty of compost prior to planting to improve soil quality. To plant hydrangeas, simply dig the planting holes 2 feet wider than the root ball.
Keep the depth of the hole consistent with the size of the root ball so your plant sits level with or just higher than the surrounding soil. By creating a slight mound, you help increase water drainage away from the base of the plant.
One hydrangea can turn into many through simple propagation techniques. Bigleaf and panicle hydrangeas are best propagated through layering in early to mid-summer.
All you have to do is:. Smooth and oakleaf hydrangeas put out new shoots through underground stems. Just dig up the young plant and separate it away from the main plant. It can then be transplanted to a new location. These tips provide all you need to know about how to care for hydrangeas.
The hydrangea blooming season depends upon the type and cultivar as well as your planting zone. Most new growth hydrangeas put on buds in early summer to bloom in the following spring, summer and early fall seasons.
In hot climates, hydrangeas may stop blooming in the heat of summer, but will rebloom in the fall. All that is required is the occasional removal of dead wood. Deadheading hydrangeas will keep your plants blooming into fall. Leave those early fall blooms in place to fade on their own. Hydrangeas are unique in that you can control their color. But keep in mind, not all hydrangea types are capable of color adjustments.
Bigleaf hydrangeas, H. A low soil pH allows hydrangeas to absorb aluminum, which turns the flowers a beautiful blue color. To increase blue hydrangea flowers, lower your soil pH by adding sulfur or peat moss to the soil.
You can also add additional aluminum sulfate to your soil throughout the growing season. Pink and red flowers shine when you add ground limestone to increase the pH. A soil pH test can help you accurately adjust your hydrangea color. Avoid pH levels above 7. Hydrangeas like dappled or occasional shade, but they will not bloom in heavy shade. The further north your garden is located, the more sunlight your hydrangeas need. An average rule of thumb is six hours of sunlight per day.
However, hydrangeas growing in the south can perform on only three hours of sunlight. Partial shade in the later parts of the day is ideal for these beauties. Even if you lack the space in your garden to grow hydrangeas, knowing how to grow hydrangea in a pot means you can still enjoy these beautiful blooms.
The process is relatively simple, as long as you follow the basics of hydrangea care. Choose a large enough pot for the mature size of your specific hydrangea — at least 18 inches in diameter.
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