Hydrangeas: how to grow and care for them

It doesn't require any special care and, in return, produces flowers in unique shades. To ensure regular flowering, the plant must be pruned annually.

how to grow hydrangea

A plant of Asian origin , it loves shade and rich soil. It withstands winter well if cared for, and in spring it produces a veritable explosion of flowers. There are a few very effective tricks for brighter, more intensely colored hydrangeas . Gorgeous and perfect for embellishing flowerbeds and gardens, the hydrangea is a striking ornamental plant with bright colors . A hardy plant, the hydrangea can easily adapt to different soil types and climates, provided it always has a good amount of water available. Belonging to the Hydrangeaceae family, the hydrangea is native to China, Japan, and South America. A curious flower, it can change the color of its petals based on the soil's acidity: the more acidic the soil, the greater the chance that the flowers will be blue; the less acidic the soil, the more pink or red the color will be.

When to grow hydrangeas

how-to-grow-hydrangea-in-a-pot (3)

Let's see, step by step, how to grow hydrangeas , in the garden or in a pot on the balcony, and how to care for them to keep them blooming. If you decide to grow them from seeds, it's up to you whether to do it in a seedbed or directly in the ground. Hydrangeas can also be propagated by cuttings: proceed between April and October, taking cuttings about 10 centimeters long. Plant them in a large, sufficiently capacious pot. If you decide to purchase the plant from a nursery, plant it during the month of May or between October and November.

The terrain

how-to-grow-hydrangea-in-a-pot (2)

Before planting the seedlings, dig the soil thoroughly to loosen it. Once the seedlings are in place, don't forget to water thoroughly. During the winter and when temperatures are particularly low, mulch the soil and cover it with leaves or straw. If you fertilize the soil, remember to choose natural fertilizers and avoid peat , which is not sustainable.

Climate

Hydrangeas prefer cool, mild climates and moderate temperatures, so if you live in a particularly hot area, place them in areas sheltered from the sun and therefore out of direct sunlight.

Watering

Hydrangeas require abundant watering to keep the soil moist, but avoid waterlogging. Remember to water more abundantly during the budding period and less frequently after flowering.

Pruning

Pruning should be done after flowering ends: remove dead flowers. To ensure regular flowering, the plant should be pruned annually.

Flowering

Hydrangea, with its beautiful red, white, blue, and pink flowers, typically blooms between spring and summer.

How to grow hydrangeas in pots

how-to-grow-hydrangea-in-a-pot (5)

Hydrangeas are highly decorative ornamental plants, suitable for gardens and even large pots . The same guidelines for garden cultivation apply, with regular and consistent watering. The ideal growing temperature for hydrangeas is around 18 degrees Celsius.

Where to plant and how to care for hydrangeas in winter?

During the winter months, hydrangea plants, although cold-hardy, need protection. It's very simple. Start by covering the soil with a generous layer of mulch : this keeps the plant's roots warm. Then surround the plant with a plastic cover or a lightweight wire cage to support a sheet of transparent fabric. When removing the sheet and cage, do so very carefully to avoid damaging any branches caught in the mesh. After summer, with the arrival of autumn and winter, it's the ideal season to transplant hydrangeas or divide a shrub that has yielded significant results. It's also a good time to remove dead branches and use plenty of compost to strengthen the plant until the next flowering.

The most beautiful collection of hydrangeas in Italy

The finest collection of hydrangeas in Italy is located in the Villa Serra Historic Park in Sant'Olcese, in the province of Genoa. There are 1.800 plants, representing a total of 250 species, and the park traces the history of hydrangeas in Italy and Europe from 1736 to the present. From April to September, the park, with all its services, is open from 9:00 a.m. to 7:00 p.m. (until May) and 8:00 p.m. (until September).

Read also:

Sign up for our newsletter to stay up-to-date. Click here!

Want to see a selection of our news?