Hardiness of Haemanthus
J.E. Shields (Thu, 04 Aug 2005 08:32:07 PDT)

Hi all,

I'm always curious about potentially hardy bulbs from South Africa. I've
tried growing numerous species from seed, but have not dared to test any
against our actual in-the-ground conditions here in central Indiana (USDA
cold zone 5, in the hot and humid eastern part of the Midwest).

What are the species of Haemanthus that experience and survive the coldest
temperatures in winter time in habitat? How about in cultivation?

I know that several species are very wide ranging in South Africa. HH.
albiflos, coccineus, and humilis come to mind. There might be ecotypes --
local populations -- of these that experience colder winter temperatures
than is usual over much of the other range of the species. Does anyone
know of such?

Regards,
Jim Shields
in central Indiana (USA)

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Jim Shields USDA Zone 5 Shields Gardens, Ltd.
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