'R. laxa' rose Description
Photo courtesy of Cass
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White, near white or white blend Species.
White or light pink. Pale pink and white blooms. Single (4-8 petals), in small clusters bloom form. Once-blooming spring or summer.
Medium, arching, armed with thorns / prickles. Matte, grey-green foliage. 5 to 9 leaflets.
Height of 39" to 6' 7" (100 to 200 cm).
USDA zone 2a through 8b. Can be used for understock. Very hardy. prefers dry climates.
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Section Cinnamomeae. Not to be confused with the rootstock commonly known as Laxa.
Foliage is greyish. Two varieties have been identified, but Crépin disputed the sufficiency of the characters to distinguish varieties. Native to Mongolia, Central Siberia and Central Asia. Thought to have been introduced to the United States by seed collected by Prof. N. E. Hansen in 1913 from the dry steppes of Semipalatinsk, Siberia. Prof. Hansen used Rosa laxa Retzius to breed hardy roses.