Hot-summer Tulipa and other species?

Rodger Whitlock
Fri, 24 Jun 2005 13:34:44 PDT
On 23 Jun 05 at 18:29, Leo A. Martin wrote:

> This fall I'm going to be constructing a fairly large rock garden with 
> extremely well-drained soil and boulders.
> I'm looking for suggestions as to bulbs to plant, especially species 
> Tulipa or others from Asia Minor and the Middle East, which I suspect 
> may have a climate similar to here. There is almost no information 
> available about growing Tulipa in hot summer climates.

Consider the various irises from the middle east: oncocyclus and reticulate ones. These 
are the very devil to grow in a damp climate -- impossible, really.

I've seen oncocyclus irises for sale in the bins of fall bulbs at a garden center in 
Santa Rosa, California (an hour north of San Francisco). I *think* they're hybrids raised 
in Israel.

From your description of the Phoenix climate, the real barrier to success with middle 
eastern bulbs may be the lack of adequate winter chilling. I doubt your hot summers are 
an issue at all for such bulbs -- as long as you plant them deep enough.

I'm faintly surprised that the hybrid tulips don't do well for you. What might be the 

Rodger Whitlock
Victoria, British Columbia, Canada
Maritime Zone 8, a cool Mediterranean climate

on beautiful Vancouver Island

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