trefle.io · Taken Dec 21, 2021 by aria salan (cc-by-sa)
Poaceae
Silky bluestem
Dichanthium sericeum
Also known as Andropogon ternarius, Andropogon sericeus, Sorghum sericeum, silky beard grass
Zones 7–11Sun Partial SunWater ModerateCare Low
Tropical Plants · Native Plants · Ornamental-Grass · Bluestem · Drought-Tolerant · Prairie · Naturalized · Silvery · Low-Maintenance · Seeds
Pet-safeBeginner-friendlyTropicalAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
Silky bluestem is a low-maintenance ornamental grass that tolerates various soil conditions. It requires minimal watering once established and provides attractive silvery seed heads. Perfect for naturalized landscapes and prairie-style gardens.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply then allow soil to dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- sandy loam
- Soil pH
- 5.5–8
- Temperature
- 10°F to 110°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 7a-11b
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Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 18 in
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Deep
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Cambodia, Czechoslovakia, Florida, Hawaii, Japan, Laos, Lesser Sunda Is., Marquesas, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mississippi, New Caledonia, New Guinea, New South Wales, Northern Territory, Pakistan, Philippines, Queensland, Solomon Is.
- Attracts
- Birds
Sources: trefle, usda
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