Lilac Beardtongue
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Oak Summit Nursery
Giant Hyssop
Giant Hyssop
Regular price
$8.00 CAD
Regular price
Sale price
$8.00 CAD
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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.
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Growing details
- Hardiness
- Zone 3
- Mature size
- 3 to 5 ft tall and 1.5 to 3 ft wide
- Flowers
- Upright spikes of blue purple flowersMuch visited by bees
- Foliage
- Aromatic, with an anise scent
- Uses
- Herb gardens, native plantings and prairie mixes
- Site and soil
- Sun or part shade in soil that drains wellAvoid ground that stays wet
More about this plant
A prairie perennial
Giant hyssop is Agastache foeniculum. It is a different plant from the herb hyssop.
Cold hardinessZone 3 · Canadian maps for this plant
Zone 3 and warmer
The map shows minimum winter hardiness. Soil, moisture and summer warmth also affect how a plant grows.
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