

Sudangrass (subsp. drummondii) Sorghum bicolor subsp. drummondii subspecies
Sudangrass (subsp. drummondii) is an introduced annual grass, found in Canada, Hawaii, and the lower 48 states. It grows to 2.5 ft and blooms Jun in part shade – shade, with brown fruit.
Growing & care
USDA PLANTS · TRY- Sun
- Part shade – shade
- Soil & moisture
- Low moisture
- Soil pH
- 5.7–6.8
- Fertility need
- High
- Adapts to
- Coarse (sandy), Medium (loam), Fine (clay)
- Hardiness
- USDA zone 13+
- Height
- 2.5 ft
- Spread
- None — clumping
- Growth rate
- Rapid
- Growth form
- Bunch
- Lifespan
- Annual
- Foliage
- coarse texture
- Active growth
- Summer & autumn
- Fruit
- Brown
- Propagate by
- Seed
- Seed starting
- No stratification needed
- Seeds ripen
- Summer seed-collection / harvest window
- In the trade
- Routinely available
- Deer browsing
- High browsed readily
- Resprouts if cut
- No
Sow timing keys off your local last- and first-frost dates.
Wildlife & pollinators
How pollinator value is scored →❧ Caterpillar hosts ~20 caterpillar species
Sorghum supports ~20 caterpillar species.
Native butterfly & moth caterpillars are the base of the terrestrial food web — most songbirds rear their young almost entirely on them. As a host for native Lepidoptera this is a moderate genus for introduced plants — native genera typically support far more.
Recorded feeding on Sorghum in North America, including:
+ 8 more species → ↑ show fewer
Sources for this entry (22) Open & cited
Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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