Oak Summit Nursery
Lilac Beardtongue Seeds
Lilac Beardtongue Seeds
Pack contains: 500+ seeds
Regular price
$5.95 CAD
Regular price
Sale price
$5.95 CAD
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per
Lilac Beardtongue (Penstemon gracilis) is a prairie perennial with pale purple flowers on slender stems. It blooms in early summer and fits well among native grasses, prairie plants, and pollinator gardens.
The seed germinates best under cool conditions.
Cold Hardiness Zone: 3
Seed Source: Manitoba
Stratification Required: 1 month cold
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Growing details
- Foliage
- Relatively narrow, toothed leaves compared with Penstemon digitalis
- Hardiness reference
- USDA zones 3-6; this uses the American zone system
- Manitoba occurrence
- Recorded in Manitoba by VASCAN; supplied evidence does not settle native versus introduced status
- Growing site
- Full to partial sun; dry to medium-dry sand or gravel; drought tolerant in the cited profile
- Growth and spread
- Fibrous-rooted perennial; spreads chiefly by seed, while root-sucker behaviour remains unresolved
- Bloom reference
- Flowers May-July in the cited source; this is not seed-ripening timing
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