'King Gentian' or 'Swamp Gentian' GENTIANACEAE.
Blooms late summer like many of the Gentians. The large flowers are clustered atop long stems that have a few leaves. They are a cobalt blue color with a tubular shape. An attractive herbaceous perennial with multiple stems (but in the wild often found with a single stem) that should be grown in Full sun in moist to wet soils. Soils should hold some moisture all the time but do not need to be wet. Height 18-36 inches, Width 8 inches. Native from British Columbia down to California.
Zones 6-8. Plants have thick fleshy roots and are best left alone once established.
Surface sow seeds and use 60-75ºF for 4 weeks, move to the fridge for 35 days, After which move to 41-55ºF for germination. Seeds also respond to GA treatment and 70ºF.
100 seeds
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