Tips on Hydrangea Propagation

By Renee Gerber , last updated June 7, 2011

Hydrangeas are one of the most popular flowering bushes among home gardeners. They sport lovely flowers that grow in bunches and appear in hues of pink, purple and even blue. If you are curious about propagating a hydrangea but are not sure how to do so, these tips will help you out.

The first thing you should do is examine your hydrangea bushes closely. You should select an appropriate stem for propagating, and the best time to do this is during the early fall season. The stem should reach at least six inches in length and not have any flowers or new growth on them. Keep in mind that these parts of the plant will also be brighter and lighter green in color.

Use a good, clean, sharp pair of trimming shears and make your cut on the stem just below a leaf node. The cutting should be at least four inches long and contain at least one set of leaves. Next, you will want to strip all the leave except the set at the very top of the piece you cut. Two remaining leaves are acceptable.

The next step you should take is to dip your hydrangea cuttings in a rooting hormone, although this is completely up to you to do. Afterward, place it into a damp medium such as coarse sand or vermiculite in a pot or container that has holes at its bottom.

Administer water and allow it to drain. Make sure the soil is kept moist but never overly wet. Place a piece of plastic as a covering, or makeshift greenhouse, over the top of the container afterward, but avoid letting the plastic touch the leaves of the hydrangea cutting by placing stakes around them.

Place the pot or container in a spot where it will be out of direct sunlight and check the hydrangeas periodically to ensure the soil is still moist. Within two to four weeks, your cutting will root.

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