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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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