Pruning guide
How to prune six hills giant catmint
More six hills giant catmint care
Pruning six hills giant catmint — FAQ
When should I prune six hills giant catmint?
Midsummer after the first flowering; late winter or early spring for cleanup. Use garden shears to cut the entire mound back by one-half to two-thirds after flowers fade. This keeps the large plant from sprawling and stimulates dense new growth with fresh blooms. Remove dead stems to near the base in late winter.
How often does six hills giant catmint need pruning?
Twice a year — post-first-bloom cutback and a late-winter tidy. Six Hills Giant catmint is a vigorous grower that produces a spectacular early-summer display and can rebloom strongly if cut back promptly. Shear the whole plant back by one-half to two-thirds after the first flowering to trigger a second flush. Prune lightly in late winter or early spring, not in autumn, as autumn cuts leave the crown vulnerable to frost damage.
How do you prune six hills giant catmint?
Use garden shears to cut the entire mound back by one-half to two-thirds after flowers fade. This keeps the large plant from sprawling and stimulates dense new growth with fresh blooms. Remove dead stems to near the base in late winter.