• Ko-Hamanasu
• Rosa X iwara Sieb. ex Regel
• R. yesoensis
• Rosa yesoensis Makino

16 favorite votes.  

White, near white or white blend Hybrid Multiflora.
Registration name: Iwara

Hybrid Rugosa, Species Cross.  

White or pink.  up to 5 petals.  Average diameter 1.25".  Small, single (4-8 petals), in small clusters bloom form.  Once-blooming spring or summer.  Long buds.  

Climbing.  Dark green foliage.  7 to 9 leaflets.  

Height: up to 4'11" (up to 150cm).  

USDA zone 6b through 9b (default).  Vigorous.  

Diploid

No hips
Rosa x iwara
Rosa x iwara