Gayfeather Seeds
$5.95 CAD
Oak Summit Nursery
Pleurisy Root Seeds
Pleurisy Root Seeds
Pack contains: 25 seeds
Regular price
$5.95 CAD
Regular price
Sale price
$5.95 CAD
Unit price
per
Pleurisy Root (Asclepias tuberosa), also called Butterfly Weed, is a perennial milkweed grown for clusters of vivid orange flowers. Its compact, leafy stems bring summer colour to a sunny border and provide nectar for visiting pollinators.
It develops a substantial root system and establishes more slowly than many annual flowers. Once established, this perennial returns for successive flowering seasons.
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Starting this seed
- Cold30 daysCold stratification
- SowAfter the cold stage
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
- Hardiness
- Zone 4
- Mature size
- About 2 ft tallA perennial milkweed
- Flowers
- Orange clustersSummer flowers visited by pollinators
Range & hardinessZone 4 · Canadian maps for this plant
Green: provinces with native records
ON · QC
Zone 4 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