Oak Summit Nursery
American Skullcap Seeds
American Skullcap Seeds
Pack contains: 100+ seeds
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American Skullcap (Scutellaria lateriflora) is a North American perennial found in wetlands and other moist sites. Small blue flowers open along the side branches from June into August and are pollinated by bees and flies.
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Starting this seed
- Cold1 to 2 monthsCold stratification
- SowAfter the cold stage
- Hardiness
- Zone 3
- Mature size
- About 2 ft tall
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
- Native range
- Canada into the United States, including Manitoba
- Site
- Moist to wet groundPart shade, or sun where the soil stays moist
- Foliage
- Thin, toothed leaves in opposite pairs
- Spread
- By rhizomes, but not aggressively
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
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