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Rocky Mountain Iris SeedsLilac Beardtongue
$8.00 CAD
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
Unit price
per
Also sold as a plant: Lilac Beardtongue · from $8.00
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Lilac Beardtongue (Penstemon gracilis) is a prairie perennial with pale purple flowers on slender stems. It blooms in early summer.
The seed germinates best under cool conditions.
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Starting this seed
- Cold1 monthCold stratification
- 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 plant these seeds grow into
Growing details
- Bloom
- May to July
- Site
- Dry sand or gravelFull to part sun. Drought tolerant
- Foliage
- Narrow, toothed leaves
- Spread
- Mostly by seed
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