Wintering Potted Plants - Knowledgebase Question

Lakeville, MN
Avatar for rouillards
Question by rouillards
September 21, 2000
I have very large patio pot plants, hibiscus, potato bush, and princess flower. I would like to cut them back before first frost and bring them in for the winter. I live in zone 4. How do I do this and is it reasonable to try?

Answer from NGA
September 21, 2000
Hibiscus and princess flower (Tibouchina) are both tropical shrubs (not annuals), so I'd definately bring them indoors. If they are not too large, I'd wait to prune until late winter/early spring just before new growth begins. Otherwise, cut back about 1/3 of the plant right after the bloom cycle. Place in a bright location, water when top inch of soil dries out, and fertilize once a month with a balanced fertilizer.

I'm not exactly sure what plant you mean by potato bush, as it is a common name. Potato vine (Solanum jasminoides) can be cut back severely at just about any time, as it vigorously regrows.

If possible, slowly adjust the plants to bringing them indoors, so it's not as much of a shock. Move them to increasingly more sheltered locations for longer periods. Unless frost is forecast, in which case protect them quickly! Good luck!

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