The Q&A Archives: Hydranea - Can A Large Plant Be Separated/divided?

Question: I have a hydrangea plant that has outgrown its space in the garden. Is it possible to divide or separate this plant and replant the division in another location?

Answer: If there are multiple stems, you can divide the plant by separating the stems along with some of the root mass. This can be risky, however, and not always successful. If the plant is just too big, you can cut it way back this fall and it will sprout new stems next spring. If you want to propagate the plant, you can try layering some of the lower stems. (Do this by making a small nick in the bark on the underside of a stem and bending it down so the wound is in contact with the soil. Anchor the stem down with bent wire, cover the part that touches the ground with soil, and water regularly. In a few weeks to a few months new roots will form and you can cut the rooted stem away from the parent plant and pot it up on its own.)

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