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The Plant Guide

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Sunset hyssop

Agastache rupestris

ag-ah-STAK-ee roo-PES-tris Audio

True to its name, sunset hyssop encapsulates a Western sunset in its flowers: bronze with hints of orange and yellow, and streaks of magenta and pink along the margins. More and more flowers emerge as summer progresses. The plant blooms heavily in August, and continues into autumn.

CareProvide full sun to part shade and dry to medium, well-drained soil.

PropagationSow seed in spring. Divide plants in summer. Root semi-ripe cuttings in summer. Some plants may need winter protection where not hardy.

ProblemsMildew, rust, and downy mildew.

  • Genus : Agastache
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 10, 5, 6, 7, 8, 9
  • Characteristics : Attracts Hummingbirds, Fragrant Flowers, Fragrant Foliage
  • Uses : Containers
  • Moisture : Dry to Medium
  • Growth Rate : Fast
  • Light : Full Sun to Partial Shade
  • Bloom Time : Late Summer, Summer
  • Maintenance : Low
  • Plant Type : Perennials
  • Flower Color : Pink
  • Plant Seasonal Interest : Summer Interest
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