Gladiolus tristis

Tony Avent tony@plantdelights.com
Wed, 20 May 2009 05:02:25 PDT
Jim:

We grow the xHomoglad hybrids, which are primarily G. tristis.  We have 
had them here through 6F with no problem and Cole Burrell tells me there 
hardy in his garden, probably Zone 6b/7a.  These are truly amazing plants.

Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina  27603  USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email tony@plantdelights.com
website  http://www.plantdelights.com/
phone 919 772-4794
fax  919 772-4752
"I consider every plant hardy until I have killed it myself...at least three times" - Avent



Jim McKenney wrote:
> Jim Waddick asked: " Just how hardy is G. tristes? HAs anyone in a cold
> winter climate tried it outdoors?"
>
> I grow it in my protected cold frame; when I have enough to spare, I'll try
> some in sheltered spots in the garden. I've heard or read (but don't
> remember where) that it's been grown in zone 7 gardens. 
>
> For me it has definitely been a winter grower, and so I frankly doubt its
> long term success in the open garden. But evidently different forms exist -
> Mary Sue mentioned a late flowering form once, and that might be one to try
> in marginal gardens.  
>
>
> Jim McKenney
> jimmckenney@jimmckenney.com
> Montgomery County, Maryland, USA, 39.03871º North, 77.09829º West, USDA zone
> 7, where the big Allium are blooming now. 
>
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