Saffron

Jane McGary via pbs pbs@lists.pacificbulbsociety.net
Mon, 12 Oct 2020 12:17:12 PDT
As Bob wrote, saffron (Crocus sativus) is sterile, because it's triploid 
(three sets of chromosomes, which cannot undergo the necessary 
separation and recombination that occurs in normal fertilization of the 
ovum). That is apparently why the plant's parts are unusually large, 
making it a good source of the herb saffron. However, its likely 
ancestor, Crocus cartwrightianus, is diploid and can be grown from seed. 
A little saffron can be harvested from it, if that's why you want to 
grow it, but it has similarly attractive autumnal flowers, though they 
are smaller than C. sativus.

Jane McGary, Portland, Oregon, USA

On 10/11/2020 7:40 PM, Robert Nold via pbs wrote:
>> ´╗┐Can saffron be grown from seeds, and if so, how and when? Can they be planted outdoors?
> No; the plants are sterile.
>
>
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