Agastache
- Botanical Name
- Agastache foeniculum
- Hardiness
- Zones 5 to 9
- Height
- 3 to 5 feet
- Width
- 12 to 24 inches
- Flowers
- Late summer: blue
- Light
- Full sun
- Soil
- Moist, well-drained
- Planting & Care
- Space plants 18 to 24 inches apart
- Divide in spring or fall
- Deadhead to promote more blooms
- Problems
- None serious; occasional leaf spot, powdery mildew and rust, crown rot in poorly drained soils
- Varieties
- Golden Jubilee - chartreuse foliage, AAS Winner
- Blue Fortune - 4" lavender-blue flower spikes summer through fall
- Black Adder - hybrid cross of A. rugosa and A. foeniculum, 2-3' tall plants sport dense spikes of reddish-purple blooms
- Agastache rugosa 'Little Adder' - compact 24", vigorous purple flowers
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