'Kilwinning' Rose

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'Kilwinning' rose Description

My HMF:

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Photo courtesy of Koren Vangool

Availability:

Commercially available

HMF Ratings:

5 favorite votes.

ARS:

Hybrid Spinosissima.

Origin:

Bred by Percy H. Wright (Canada, 1948).

Class:

Hybrid Spinosissima.

Bloom:

Butter-yellow and cream, golden-yellow stamens. Double (17-25 petals) bloom form.

Habit:

Bushy.

Height: up to 8' (up to 245cm). Width: up to 10' (up to 305cm).

Growing:

USDA zone 3a through 9b. Very hardy.

Patents:

Patent status unknown (to HelpMeFind).

Ploidy:

Triploid

Parentage:

R. spinosissima var. altaica (Willd.) Rehder × Persian Yellow

Notes:

The ploidy information was supplied by David Zlesak in March 2008, as reported on the Rose Hybridizer's Association Forum.

Elliott & Pittao:
"It was in 1938, when I had recently moved to Moose Range, that Prof. C. F. Patterson mailed me flower buds of Persian Yellow and it was from these that Hazeldean, Yellow Altai, Kilwinning, and others that I discarded are descended". PW in corr. to W. Schowalter 07/17/1976. [Pittao] R. spinosissima altaica x 'Persian Yellow' [Phillips/Migneault] OR 'Harison's Yellow' [Fillmore, Roscoe], Numerous references in P.W.'s correspondence to W Schowalter indicate that the cross was 'Persian Yellow' [Pittao]