Dry (orthodox)
Seed can be dried to low moisture content and stored without loss of viability. Baskin and Baskin call these “orthodox” seeds, after Roberts (1973).
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How to Grow Sweet Grass (Anthoxanthum hirtum, formerly Hierochloe odorata) from Seed
This fragrant grass germinates poorly at room temperature, so an alternating temperature regime mimicking spring conditions is recommended.
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How to Grow Passionflower (Passiflora incarnata) from Seed
These seeds require no pretreatment, and germinate quickly when given hot conditions.
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How to Grow Prairie Smoke (Geum triflorum) from Seed
It turns out these are incredibly easy to germinate.
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How to Grow Stiff Gentian (Gentianella quinquefolia) from Seed
It’s easy to grow this gentian from seed, but getting them to survive in the garden is a bit more…