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© Crystal Strouse

blue giant hyssop
Agastache foeniculum


  Fort Collins

Dimensions
Height: 1.0 ft. to 4.0 ft.
Spread: 1.5 ft. to 3.0 ft.
Growth Form
Herbaceous, Subshrub
Program Association
Nature in the City, Xeriscape Incentive Program
Wildlife Uses
Hummingbirds, Pollinators/ Invertebrates, Woodland Birds
Sun Requirements
Full Sun, Part Sun
Water Requirements
Very Low, Low, Moderate
Plant Community
Foothills
Season of Bloom
July, August, September
Flower Color
Blue Shades, Purple Shades
Leaf Color
Green Shades
Aggressiveness
Not aggressive
Design Considerations
Long Blooming
Other Considerations
Deer Tolerant, Lifespan, Rabbit Tolerant
Duration
Perennial
Natural Landscape Position
  Fort Collins Model
1, 2
Soil Type
Loam, Rocky, Variable, Well Drained
Pests/Disease Prone
No
Hazards/Toxic
No City Data.

Notes

This is rare plant in Colorado and occurs in only a few counties along the Front Range. It is an important adult food host for many of our native invertebrates. 


Short-lived, especially on streetscapes.