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The Plant Guide

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Wrinkled giant hyssop, Korean hyssop, purple giant hyssop

Agastache rugosa

ag-ah-STAK-ee roo-GO-sah

This 4-foot-tall and 18-ich-wide, bushy perennial, very similar to the more common anise hyssop ( Agastache foeniculum ) has strongly mint-and-licorice-scented leaves and short spikes of lavender-blue flowers from midsummer to early fall. Unlike most agastaches, both of these species can tolerate more moisture and humity, making them highly suited to climates outside the arid west.

Noteworthy CharacteristicsAttractive to bees, butterflies, and hummingbirds

CareProvide full sun and moist, well-drained soil.

Propagation Divide clumps in spring

Problems Occasional downy mildew may occur.

  • Genus : Agastache
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 5, 6, 7, 8, 9
  • Moisture : Dry to Medium
  • Bloom Time : Early Fall, Fall, Late Summer, Summer
  • Plant Seasonal Interest : Fall Interest
  • Characteristics : Fragrant Foliage
  • Light : Full Sun
  • Maintenance : Low
  • Growth Rate : Moderate
  • Plant Type : Perennials
  • Uses : Sun
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  1. user-7007570 05/10/2015

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