The Q&A Archives: Overwintering Passion Flower Vines

Question: I have two different passion vines, maypop and incense. One is in a container and the other in the ground, how do I keep them from freezing so I can have them next year?

Answer: You will need to bring them indoors. A few weeks before the weather turns cold, begin to acclimate the plant to the lower indoor light levels by moving it into progressively shadier locations. Also begin checking it carefully for any insect problem so you can deal with that before it comes indoors. Then place it in the sunniest window you have. The plant in the ground will be more difficult; you might want to take cuttings from it rather than try to dig it up, root prune it, trim it back hard, and pot it. As the plants adjust to indoor life they may lose leaves and generally slow down so reduce the water and fertilizer accordingly. Next spring, reverse the process and acclimate them to the sunlight gradually. Good luck with your plants!

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