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Bloom Time: Early Fall, Fall, Late Summer, Su
Also asked, is Hummingbird Mint invasive?
Verified Reply - BradTango Hummingbird Mint is not as invasive as true mint. This plant can self seed, so if you do not want it to spread too much, remove spent flowers after flowering.
Also asked, how big are hummingbird mints?
12-18" tall
Agastache (Hummingbird Mint, Hyssop) are showy, fragrant, long-blooming perennials that as their name suggests, are highly attractive hummingbirds. Agastache plants are essential for a pollinator-friendly garden and have excellent resistance to browsing deer and rabbits.