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A mature Anise Hyssop (Agastache foeniculum) growing in a residential garden bedFoliage

In the landscape

BorderCoastalMeadowNaturalizedSlopeButterflyCottageDrought tolerant

Data sources

Anise Hyssop

Agastache foeniculum

Anise Hyssop is a medium-growing perennial, hardy in USDA zones 4-8, that matures to about 2-4 ft × 1.5-3 ft. It does best in full sun and part shade with low water needs in well-drained, moist and occasionally-dry soil. Expect blue and purple blooms in summer and fall. It attracts bees, butterflies and hummingbirds, stands up well to deer, pests and rabbits.

USDA zones
4-8
Sun
Full sun, Part shade
Water
Low
Mature size
2-4 ft × 1.5-3 ft
Growth rate
Medium
Maintenance
Medium
Soil
Well-drained, Moist, Occasionally-dry
Bloom color
Blue, Purple
Bloom season
Summer, Fall
Attracts
Bees, Butterflies, Hummingbirds, Songbirds
Tough against
Deer, Pests, Rabbits
Native to
Northern North America

Freeze survival

Will it survive your winters?

We score Anise Hyssop’s freeze-trouble range against the real coldest nights your area has recorded.

Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.

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