| Scientific Name: | Digitaria ischaemum |
| Common Name: | smooth crabgrass |
| Family Name: | Poaceae |
| Origin: | Central / west Asia, Europe |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Annual (true), Poales (grass-like), Weed (horticultural) |
| Mature Size: | < 0.1m x 0.1 - 0.3m (height x width) |
| Habit: | Spreading |
| Form: | Vase |
| Texture: | Coarse |
| Landscape Uses: | |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Grass-like, Alternate, Soft flexible, Pubescent, Linear, Entire |
| Flowers: | Spikelet, Green, Sep |
| Fruit: | Grain (caryopsis), Brown, Oct |
| Key ID Features: | |
| Annual grass with prostrate or ascending habit, rhizomes absent; leaf vernation rolled, blades dull green to purplish, 2-6mm wide, lacking hairs (trichomes) except sometimes in collar area, rough textured, tips sharp-pointed, sheaths mostly closed, compressed, smooth, auricles absent, collar with long trichomes, ligule 2-3mm long, frayed or wavy edged. | |