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Oak Summit Nursery

Giant Hyssop Seeds

Giant Hyssop Seeds

Pack contains: 300+ seeds

Regular price $5.95 CAD
Regular price Sale price $5.95 CAD
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Also sold as a plant: Giant Hyssop · from $8.00

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Giant Hyssop (Agastache foeniculum) is an aromatic prairie perennial with upright flower spikes that attract bees and other pollinators. It is used in herb gardens, native plantings, and prairie mixes.

The seed needs light to germinate and should remain uncovered.

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Starting this seed

  1. Cold1 monthCold stratification
  2. SowAfter the cold stage
Seed source
Manitoba
Hardiness
Zone 3
How to stratify seed

In the fridge. Put the seed in a bag with a damp medium such as peat moss, vermiculite, sand or coco coir. The medium is only there to hold moisture. Keep the bag in the fridge, above freezing, for the cold period shown, then sow.

Or outside. Sow the seed outdoors in the fall and let winter do the cold period.

The full stratification guide →

The plant these seeds grow into

Range & hardinessZone 3 · Canadian maps for this plant
Native range in Canada
Canadian provinces where this species is recorded as native: AB · BC · MB · NB · NT · ON · QC · SK

Green: provinces with native records

AB · BC · MB · NB · NT · ON · QC · SK
Cold hardiness · Zone 3
Canadian climate map with provinces outlined; highlighted minimum zone: 3

Zone 3 and warmer

Province records show native distribution, not every place the species grows. The hardiness map shows minimum winter hardiness; soil, moisture and summer warmth also matter.

About these maps

Climate: Natural Resources Canada, 1991–2020. Provincial distribution: VASCAN via retained botanical research. Province outlines: Natural Earth, public domain.

Open Government Licence – Canada