River Oats (Chasmanthium latifolium)
River Oats (Chasmanthium latifolium)

River Oats (Chasmanthium latifolium)


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Chasmanthium latifolium, Uniola latifolia

Attractive, flattened seed heads. Plant in masses in shade to stabilize soil. Will increase readily from seed.

Uses: butterflies, rain gardens

Bloom time:  July - August

Height: 2 to 3 feet

Space:  16 to 20 inches

Sun:  Sun to medium shade

Moisture:  Average to moist

Seed:  Best germination can be achieved with a short period of cold, moist stratification.  Sow outdoors by march or stratify with moist sand/potting soil in the refrigerator for 2 to 4 weeks.

  • 7,500 seeds per ounce
  • 1 ounce per 500 square feet
  • 5.5 pounds per acre

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