Spring is the best time to prune butterfly bushes. Pruning in the late fall or winter leaves them susceptible to frost damage. Wait until the spring to do a hard prune (pruning it back to one foot ...

Pruning needs: Remove spent flowers to prolong bloom. Cut back canes in late winter to promote fuller new spring growth. Water needs: Medium to low; drought tolerant once established. Snapshot: As its ...

Butterfly bushes (Buddleja davidii) are popular choices in Bay Area gardens, adding abundant cones of bright color during the summer and fall. Their nectar-rich flowers are favorite destinations for ...

Buddleja (sometimes spelled buddleia), is also known as butterfly bush because its flowers are so very attractive to butterflies. HANDOUT Several commonly-planted perennial landscape bushes and shrubs ...

Bloom season: Lavender blue flower spikes mid-summer to frost. Exposure: Full sun (six hours or more) for best flowering. Pruning needs: Cut back to woody stems at base to shape in winter. Water needs ...

Pruning plants in the landscape can be a daunting task. "How far back should they be pruned," "when should I prune" and "how do I prune" are frequent questions all county extension agents get. Pruning ...

Q. For three years, caterpillars have devoured the leaves on my Mexican butterflyweed (Asclepias curassavica). As a result, these plants look vertical. What's the best way to prune them to promote a ...