Clematis, Early Large-flowered, Double Clematis 'Duchess of Edinburgh'

Flowers are 5" across. Hardy to Z4. Can reach 8-11' high. Can rebloom in late summer. This cultivar has a reputation for being a fussy pl...Read Moreant.

Blackened crispy leaves are often due to a common fungal disease called clematis wilt. Large-flowered clematis are more prone to clematis wilt than the species and small-flowered hybrids. http://www.missouribotanicalgarden.org/gardens-gardening/you...

Clematis and tomatoes are two exceptions to the usual rule, and are best planted 6 inches deeper than the soil level in the pot. This protects the stem bases from mechanical damage, and helps prevent clematis wilt, whose fungus enters where there's damage. It also helps keep the roots cool.

Many small-flowered hybrids are spectacular in flower, and long-blooming. I consider them indispensable, especially the viticella hybrids. I've given up planting large-flowered hybrids, except for 'Jackmannii', which seems to be somewhat wilt resistant.

I do so love this plant. I was quite surprised to find that it would sometimes produce seeds. I would only get ten seeds at most from the...Read More entire plant and it is the only Clematis I own that produces blossoms. I have had no luck with any other. A+

I was not happy with this plant for the first few years of its life. I thought the flowers were less than attractive. Now that it is ma...Read Moreture, the flower buds and flowers are both lovely. It is also very vigorous.

I am from New Zealand in my area zone 9, I have over 20 Clematis & this double has to be the toughest & most prolific double I have, I pr...Read Moreune it hard in early spring & is the second to flower, improves each year & amazes me with the huge blooms

Have found with most double clematis's be ruthless & prune hard & they will reward you.