'Blanc Double de Coubert' is a hybrid rugosa rose originally introduced in 1893 that's still winning awards in our day. The semi-double roses are a very pure white, wrinkled a little like tissue paper, and highly fragrant. In fact, "rugosa" comes from the Latin for wrinkled, but it refers to the wrinkled appearance of the leaves. That wrinkled surface is a key factor in making rugosas as a class so disease resistant. In fact, they're tough in many regards. They're hardy to zone 4. They're tolerant of light shade, salt spray, wind, and poor soil. And they're so thorny they discourage deer from browsing. Polinators are drawn to the flowers all summer long, resulting in large, orange-red hips that birds can feel on.. Grow in full sun and provide adequate moisture and good air circulation. Fertilize at the beginning of the season and again mid summer. And give it room to grow - it doesn't like heavy pruning.