Chasmanthium laxum
Slender Woodoats
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Chasmanthium laxum thrives in rich woods, meadows, and swamps, particularly in coastal plain regions of the Eastern and Southeastern U.S. It often inhabits the same areas as its close cousin, Chasmanthium sessiliflorum. Although taller, Chasmanthium laxum has a more delicate habit than Chasmanthium sessiliflorum. Arrowhead-shaped, persistent seed heads lend a subtle beauty to this little-known native grass. Slender Woodoats is well-suited for naturalistic plantings and restoration projects in shady or partially sunny areas. It does double duty by adding grace and movement to cultivated gardens. Adapts to coarse, fine, and medium textured soils and is moderately drought tolerant. Chasmanthium are inland grasses formerly included in Uniola with true sea oats; however, they have nothing to do with the sea.
Zone
4-9
Growth Cycle
Warm
Features
- Native to North America
- Drought Tolerant
- Shade Tolerant
- Bioretention/Rain Gardens
GROWER INFO & TIPS
- Growth rate: medium
- Grow in 1 or 2–gallon or larger
- Grow in well-drained soil
- Water needs: keep evenly moist
- Fertilizing: use a slow release, medium-rate fertilizer
- Possible pests: aphids
- Overwintering: cold frame with clear poly, keep dry
*Note: please adapt these suggestions as needed to accommodate your local conditions.
LANDSCAPING INFO
- Needs no special attention or fertilizer
- Adapts well to variables soil types and moderate drought
- Grows in shade or sun, in moist or dry conditions
- Delicate, interesting seeds heads and a graceful habit make it a great ornamental
- Great plant for sustainable landscapes
- Good for native and woodland gardens
- Easy and low-maintenance
