Hi there: Can anyone instruct me on the care of O. deppei? I've had one for six months now (as a houseplant). It's starting to look tired - smaller leaves, less of them, no blooms. I've read that they may need a period of rest, but there isn't much info about what to do. Cut off the leaves and put in a cool, dry place is all I've seen. I'd like to know more, and would sure like to hear from someone who has one...My books say they bloom through the winter, but mine bloomed through the summer.
Don't have one myself but the links in the thread oxalis | UBC Botanical Garden Forums may lead to some useful information.
I have had an Oxalis deppei for a couple of years and it is very easy to keep over the winter. Just let it die back and go completely dry. I kept my plant on a cool windowsill in low light all winter and in April, as soon as the days became longer and sunnier , it started to send up new shoots. Then I started watering it again and when the days became warmer I moved it outside for the summer. This fall I left the plant outside as long as possible and only moved it inside when the temperature was predicted to go to freezing.
Thanks for the reply! I wasn't sure, exactly, how to send them the rest of the way into dormancy once they started to go there on their own. Now I know.