The Q&A Archives: Overwintering Agapanthus

Question: I purchased a large agapanthus plant from your company. I live in Rhode Island where the low temp can go to 0 degrees. I do not know what to do with it in the fall. It is outside now in a large pot. I have a detached garage and a unheated sun porch. My basement is heated. I do not want to lose this wonderful plant. I am having a wedding at my home in June and would love to have this plant be in bloom. Do I need to cut the leaves back? It was in bloom when I purchased it in June this year but did not bloom again. What should I feed it and how often? Thank you soo much for any help you can give me. I am a very good gardner but all my plants are outdoor and do not have to be protected. This is my only southern plant. Nancy

Answer: Agapanthus can rebloom but they usually only bloom once each year, in early summer. To overwinter your agapanthus, put the plants in a bright, very cool place at 46 degrees. The plants set the flowers in the winter months and need a resting time. Water very little but do not let the foliage dry out. Repot in early spring when you move the plants back outdoors. They should bloom right on schedule. Beginning in spring you can feed with a liquid fertilizer such as Miracle Gro or Peter's (in amounts and with the frequency as recommended on the label). Best wishes with your beautiful new plant!

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