- 1). Cut back damaged and dead branches in late winter or early spring after the buds begin swelling. Trim the dead branches back to the nearest healthy wood. Only cleanup pruning is necessary before flowering.
- 2). Prune out the old wood that just completed flowering. Cut these canes back to soil level.
- 3). Trim overly tall and overgrown canes back by up to one-third their height. Make the pruning cut within 1/4 inch of a leaf or bud.
- 4). Renovate old, overgrown or poorly blooming clematis. Cut these plants back to within 6 to 12 inches of the ground immediately after flowering. Renovated clematis may not flower until the second spring after renovation.
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