getting Zantedeschia hybrids to flower
Garak (Sat, 07 Sep 2019 20:26:47 PDT)

Hi Diane,

it COULD be just the storage alone - I dig up my Zantedeschias every
winter and store them dry  in the basement - round about 9°C - and I've
never had any trouble getting them to flower as long as they get
adequate light in summer. I guess leaving them in the ground in BC in
winter deprives them of the drought stress they get in winters in
South-African summer rain climate. Maybe the GA3 s(t)imulates a natural
process happening when the plant gets dry?

Am 08.09.2019 um 00:37 schrieb Diane:

Thank you for the explanation, Mark.

So, the bulbs would need to be dug up every year in order to be treated. I wonder if the parental species are some that require fires before they bloom in the wild.

Diane

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Martin
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Southern Germany
Likely zone 7a

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