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Agastache Purple Haze

Purple Haze Hyssop

Agastache ‘Purple Haze’ is a vigorous, long-blooming anise hyssop known for its airy purple flower spikes, exceptional pollinator activity, and tough, drought-tolerant nature. Its loose, meadow-like form makes it especially effective in naturalistic and pollinator-focused plantings.

Key Characteristics and Benefits


Flowers & Color: Tall, slender spikes of soft lavender-purple flowers bloom from early summer into fall.



Pollinator Magnet: Highly attractive to bees, butterflies, and hummingbirds.



Foliage: Aromatic green leaves with a light anise-mint fragrance.



Growth Habit: Upright, open, and slightly arching, creating a relaxed, natural look.



Size: Typically reaches 36–48 in tall with a 24–30 in spread.



Care and Requirements


Hardiness: USDA Zones 4–8



Light: Full sun



Soil: Prefers well-drained soil; intolerant of wet or heavy soils



Water: Low to moderate; drought tolerant once established



Maintenance: Low; cut back in spring, deadheading optional



Tolerance: Excellent tolerance of heat, drought, and deer



Summary:
‘Purple Haze’ Agastache is an outstanding choice for pollinator gardens, prairie-style plantings, perennial borders, and naturalized landscapes, offering long bloom, graceful movement, and exceptional wildlife value.

Plant type
Perennial
Height
36?48"
Width
24-30"
Hardiness zones
4–8
Sunlight
Full Sun, Partial Shade
Growth rate
Moderate
Bloom time
Early Fall, Early Summer, Summer
Leaf color
Green
Fall color
Lime Green
Attracts
Butterflies, Hummingbirds
Soil
Loamy well-drained
Fragrant
Yes
Deer resistant
Yes
Drought tolerant
Yes