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Re: Penstemon rupicola

Dear Loren:
	The community pots of 40 various species of Penstemons that were sowed
last January had a high germination rate.  The plants were then
transplanted into 4" x 6"deep pots and they're now very ready to go into
the ground.
	I've been making notes on the plants from far too many sources: saved
magazine and journal articles, the odd reference in garden books and
floras and even went through information in Griffith's RHS Index and
Hortus Third.  Does anyone know a good reference for only Penstemons? 
Does Betsy Clebsch, author of A Book of Salvias also know her
Penstemons?
	Do you know of a list of which Penstemons are evergreen?  Or are all
Penstemons evergreen unless stressed by some amount of cold.  I think
the various local species are all evergreen here in my garden.
	The American Horticultural Society's The American Gardener
September/October issue is the best they've had in a long time.  The
long awaited heat zone map is in the issue.  
	We're driving out for the Brian Matthews lecture.  Hopefully we'll see
you there.
Best, Vicki
Best, Vicki
References:
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