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'Rosa laevigata Michx.' rose Description
'<i>R. laevigata</i>' rose photo
Photo courtesy of Robert's Desert Rose Garden
Availability:
Commercially available
Synonyms:
HMF Ratings:
7 favorite votes.  
EXCELLENT overall member rating.  
ARS:
White, near white or white blend Species.
Exhibition name: R. laevigata
Class:
Species / Wild.  
Bloom:
White, yellow stamens.  Strong fragrance.  5 petals.  Average diameter 3.5".  Large, single (4-8 petals), borne mostly solitary, cupped-to-flat bloom form.  Moderate, once-blooming spring or summer.  Medium buds.  
Habit:
Tall, armed with thorns, climbing, mounded, sends out runners.  Large, glossy, dark green foliage.  3 to 5 leaflets.  
Height of up to 25' (up to 760 cm).  Width of up to 15' (up to 455 cm).
Growing:
USDA zone 7a through 11.  Used for climber.  Very vigorous.  can be grown as a shrub.  can be trained as a climber.  heat tolerant.  produces decorative hips.  Disease susceptibility: very disease resistant.  
Ploidy:
Diploid
Parentage:
Seed:
Pollen:
Notes:
André Michaux described Rosa laevigata in Flora Boreali-Americana (1803) from specimens located in the Southern state of Georgia in the USA. The same rose, from China, had been given the name Rosa sinica earlier, in 1789, and was described as in cultivation in 1759. But because the same name, R. sinica, was also used by Linneaus to describe the China rose Rosa chinensis, the name was found to be invalid by Crépin under the rules of taxonomy.

Rosa laevigata Michaux is native to the sub-tropical parts of S.E. China and Vietnam, is naturalized over large areas in the American South, and is not reliably hardy in the USA below Zone 7. See References.
 
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