| Scientific Name: | Chasmanthium latifolium |
| Common Name: | northern sea oats |
| Family Name: | Poaceae |
| Origin: | Mexico |
| Hardiness Zone: | Zone 8a: (-12 to -9.5 °C) |
| Plant Type: | Poales (grass-like) |
| Mature Size: | 0.7 - 1.3m x 0.3 - 0.6m (height x width) |
| Habit: | Arching, Spreading, Upright |
| Form: | Oval - vertical |
| Texture: | Medium - fine |
| Landscape Uses: | Accent plant, Attract birds, Container planting, Cut flower or foliage, Dried flower or fruit, Fall interest, Group or mass planting, Perennial border, Summer interest |
| Exposure: | Full sun, Part sun/part shade, Filtered shade, Deep shade |
| Soil or Media: | Humus rich, Well-drained |
| Leaves: | Grass-like, Basal, Soft flexible, Parallel venation, Glabrous, Lanceolate |
| Flowers: | Spikelet, Green, Jul-Aug-Sep |
| Fruit: | Grain (caryopsis), Brown, Aug-Sep-Oct-Nov-Dec |
| Key ID Features: | |
| Leaves alternate, sheathing, most blades 10-20cm long x 1-2cm wide, bright green; spikelets with 6-16 green florets that dangle on thin pedicels 2-4cm long, fruit oat-like but more flattened, 3cm long, pendulous, and flutters with the slightest breeze. | |