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'Blue Boa' Agastache has long blooming purple flower spikes

Agastache 'Blue Boa' - Anise Hyssop

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Blooms, and plenty of them: that's what both you and the butterflies want from a perennial, and that's what 'Blue Boa' agastache (sometimes called anise hyssop) will give you! This is quite simply one of the longest-blooming perennials you can plant, providing months - not mere weeks! - of nectar-filled blue flower spikes. Watch butterflies and other pollinators flock to it every day.

Agastache is a true sun-lover, and thrives in well-drained, even dry soil. It's the perfect way to transform a difficult spot into a butterfly oasis! This is a fairly large perennial that benefits from a good amount of space, but don't worry: it more than earns its keep in flower production and butterfly attraction.

Vital details:

Plant size: 3'/1m tall x 2'/.8m wide

Light: full sun (6+ hrs/day)

Hardiness: USDA zone 5-10 (Find your hardiness zone)

Pollinator value: attracts butterflies of all types, as well as other pollinating insects

Notable features: fragrant, deer resistant, long-blooming, drought tolerant

Pot size: one quart

Plant name: Agastache 'Blue Boa' pp#24,050

Customer Reviews

Based on 1 review
Gale w.

Caught my eye overall