Inland Oats is an excellent native grass to plant in those tricky shady spots underneath your trees. It has magnificent golden fall color, broad leaves, and unique flattened seeds that resemble oats. While it has these attributes, it can be quite aggressive, so be intentional about where you plant it and your method of maintenance to keep it in check. It is also called River Oats or Sea Oats.
Pollinator Type
Caterpillars
Plant Type
Perennial grass
Zone
3 to 8
Height
2-4 ft
Spread
6-12 inches
Light
Partial Shade
Moisture Requirement
Medium Soil, Wet Soil
Bloom Color
Green
Bloom Time
August, September
Design Considerations
This grass can be aggressive so plant it in an area with a strong edge. Great choice for a shadier garden. Great fall color and form as the stem curves when the seed head develops.
Care and Maintenance
Inland Oats prefer moister soils and some shade. You can deadhead to try to prevent spreading by seed.
Pest and Diseases
No major issues.
Establishment and Propagation
Start from seed after 60 days of cold, moist stratification or start from plugs in either spring or fall.
Commercial Availability
Commonly available.
Alternative Plant Selections
Beak Grass, Riverbank Wild Rye, Long-Beaked Sedge
Native Status
Illinois native statewide.
Fall Color
Golden
Growth habit
Grows in dense clumps
Number of Caterpillars that Use this as a Host Plant