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Rocky Mountain Iris Seeds
Rocky Mountain Iris Seeds
Pack contains: 20+ seeds
Regular price
$5.95 CAD
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Sale price
$5.95 CAD
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Rocky Mountain Iris (Iris missouriensis) is a western North American perennial with slender blue green leaves and pale blue, deep blue, lavender, or purple flowers from late spring into early summer.
The species grows in meadows, streambanks, and open woods. It favours moist soil but tolerates drier conditions once established and spreads gradually by rhizomes.
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Starting this seed
- Cold4 monthsCold stratification
- SowAfter the cold stage
- Hardiness
- Zone 3
- Mature size
- 8 to 20 in
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
- Western North AmericaIn Canada in British Columbia, Alberta and Saskatchewan
- Site
- Wet meadows and streambanksTolerates flooding and alkaline soil
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