The hydrangea is a deciduous shrub whose summer flowers are surprisingly luxuriant. This garden classic offers an enormous variety of colors, and many people try to preserve its beautiful blue flowers. This perennial and resistant plant is appreciated both for gardening and for growing in pots.
It is easy to maintain and can be multiplied even more easily with a few simple actions. The hydrangea cutting technique is perfect for achieving this.
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Here’s how to easily create new flower beds all summer long:
Take your cuttings
Start pruning by cutting off the end of a non-flowering bud (young bud) that has grown this year. The cutting must have at least 3 pairs of leaves. A length of 15 to 20 cm will be sufficient. Choose a side shoot and avoid cutting the main shoot to allow the shrub to continue growing.
Remove the leaves at the base of the cutting.
Use a grafting post or sharp knife to remove the first few leaves near the base of the cutting, leaving 4 to 6 leaves at the tip. By removing the leaves, you will reduce evaporation of the foliage and promote rooting.
Planting Cuttings
Take a small biodegradable pot and create a drainage system by placing small clay balls at the bottom. Add a mixture of sand and potting soil, or ideally, an equal mixture of sand, peat and heather loam. Then plant two-thirds of the cuttings in the substrate.
You can pre-moisten the cuttings’ soil with rooting hormone, but this is not absolutely necessary.
Cutting Care
Water the soil regularly with a sprayer and keep the cuttings in a cool place, at around 15°C. Roots will form in approximately 15 days. If your pots are resistant, it is best to transplant the young plants the following spring. Alternatively, once the cuttings have developed roots, transplant them for the first time into plastic cups, in a mixture of soil (2/3) and heather soil (1/3).
And There you go ! Now you know how to propagate hydrangeas by cuttings.