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.
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
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Caught my eye overall