Ask Gerry

In general, rmabling roses flower earlier than climbers, usually on shoots that were formed the previous summer, while climbers generally flower on shoots produced in the current year and this is usually somewhat later.

Climbers generally make a a single stem or two or three shoots form ground level, or near it, wherease ramblers every year or nearly every year produce new stems form ground level or close to it.

Rambers tend to be once-flowering in early to mid summer,and climbers mostly repeat.

Note in general, these apply but there are exceptions and intermediates 

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