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Zantedeschia rehmannii

Zantedeschia rehmannii

It is difficult for me to see a calla lily without thinking of Imogen Cunningham and her photographs: “Calla” and “Two Callas”. Brent Hine has planted both this species and the yellow Zantedeschia jucunda together in the African section of the Alpine Garden. To see a comprehensive set of technical images for this species, visit this page on Zantedeschia rehmannii.

7 Comments

Zantedeschia rehmannii - Z8 - RHS Index of Garden Plants

Anyone know anything about Zantedeschia germination? I have some seeds from a little dwarf form (they have become very popular) and I would like to try germinating them. Do they need to rot in water or anything? I cn't seem to find anything useful on the web.

Thanks

Jeremy

I had a look through our propagation info spreadsheet - no listings for Zantedeschia, I'm afraid. Plants For a Future Database has propagation information for Zantedeschia aethiopica, though.

Thanks. I'll try that.

I have a potted "calla lily" that I bought in May at a home supply store. I wasn't sure if it was an indoor variety left over from Easter, or a perennial outdoor variety, as I found it on a shelf nowhere near the store's garden center.

I transplanted it into a larger pot and kept it on my deck, where it flowered and flowered (beautiful burgundy)all summer. Now it's still on the deck (I live in Alberta, Canada, which is directly north of Montana), but the foliage is dying down. There are almost a dozen green "pods"--they're shaped kind of like flowers, but inside them are what I gather are seeds.

How do I overwinter this plant? I was planning on bringing it indoors, but do I cut it back? Let it dry out or water it? Can I germinate the seeds in the "pods," and if so, how?

Thanks,
Deb in Canada

Deb, that's a great question for the UBC Botanical Garden Forums.

I saved the seeds from the plant pictured above and planted them in deep trays the following spring. The first year they produced a slightly larger then pea sized bulb. It takes 2 to 3 years to get a blooming size bulb. I planted the seeds about 1/2" deep and the bulbs were found about 2-1/2" deep. I live in zone 5 so they were lifted in the fall and dried and stored in a cool place until the following spring. Germination was excellent from the seeds almost 100%

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