What to do wuth arum lillies?
Question:how do I treat arum lillies that have bloomed? Do I dead-head them and if I do will I get more blooms? Do I cut the leaves back later in the year?
Answers:
I've been growing mine in England for years, always removing dead flowers - if you let them form seeds, this drains resources that instead will help build it up for next spring's flowers. Mine have been ok in England with -12Celsius, and I mulch them with feterilser that comes from Shire Horses, who are bedded on peat and not straw.
Arums love nutrients and a damp environment in which to grow well (so they get both from this mix). If you're in such a cold environment, you can add extra protection in winter, or lift them, storing over winter. On cold nights I've sometimes added some straw, as an insulator, above their bed.
Good luck! Rob
I think you should just let them die back naturaly and later in the year lift them and store them in sand and peat in a dry place
No, the arum lily will not flower again, but the flowers develop into attractive seed heads. So you can keep them on, but they are poisonous, so don´t eat them. The leaves stay green for a long time, and once they start turning yellow, you can cut them off. If the plant is in a pot, you can pack it away for the winter (keep it only moist) and remember to put it on the window sill in the late winter to start growing again. Or you can plant it into the garden, it seems to be fairly frost hardy. Mine has survived here in North Germany with about minus 10 degrees C. And it comes up again end May.
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