prolonged bloom in autumn crocus

Paul Licht plicht@berkeley.edu
Fri, 29 Oct 2010 13:20:38 PDT
We have a beautiful patch of beautiful Crocus niveus (from 
Greece) in full glory in our Med. collection. I put the 
image on our home page.

Paul Licht, Director
University of California Botanical Garden
200 Centennial Drive
Berkeley, CA 94720
(510)-643-8999
http://botanicalgarden.berkeley.edu/



On 10/29/2010 1:00 PM, Jim McKenney wrote:
> The autumn crocus season continues here in Maryland. In bloom today, among
> others,  are Crocus serotinus salzmannii and  Crocus pulchellus
> ‘Inspiration’.
>
>
>
> Here’s something which interests me about these autumn crocuses: some come
> into bloom suddenly, all at once, and that’s all you get so-to-speak. Others
> trickle in flowers over a period of weeks. For instance, Crocus thomasii and
> Crocus cartwrightianus have  been in bloom off and on since early October –
> and it seems to be the  same plants which are putting up one flower after
> another.
>
>
>
> Because crocus flowers are so easily damaged by rain – an ill timed rain can
> wipe out the annual display of some species overnight -  the adaptive
> significance of producing flowers over a long season is obvious.
>
>
>
> It seems to me that for decorative purposes, these long bloomers are much to
> be desired. But which species are best in this respect?
>
>
>
> What have others observed about this? Can anyone recommend other species
> notable in this respect?
>
>
>
>
>
> Jim McKenney
>
> jimmckenney@jimmckenney.com
>
> Montgomery County, Maryland, USA, 39.03871º North, 77.09829º West, USDA zone
> 7
>
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