Big sacaton
Sporobolus wrightii
Last reviewed: August 2026
Big sacaton is a tall warm-season bunchgrass suited to full sun and low water sites, sending up feathery seed plumes from August through October in desert grasslands and floodplain swales.
Toxicity unknown
Big sacaton (Sporobolus wrightii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
48"–72" H × 36"–48" W
Bloom
Aug, Sep, Oct
Native to
AZ, CA, NM, OK and 3 more states
Before you buy
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Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 449 programs across 44 states, each with a link to the provider and the date we last checked it.
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A large, clump-forming warm-season perennial grass with fine, arching blue-green blades that mature to tan in fall and winter. Produces tall, narrow, plume-like seed heads in late summer that rise well above the foliage. Extremely drought tolerant once established, with a deep, fibrous root system.
Growing Big sacaton
Grow Big sacaton in full sun and low water. Mature plants reach 48 to 72 inches tall and spread 36 to 48 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Big sacaton is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: mid zone, street edge.
- Mature clumps can reach several feet tall and wide, so allow adequate setback from walkways
Wildlife value
Dense clumps offer nesting and escape cover for ground-dwelling birds and small wildlife, and the seed heads are an important food source for seed-eating birds.
Common questions
- When does big sacaton bloom?
- Big sacaton produces its feathery flower and seed panicles from August through October, opening purplish and fading to tan as the seed matures.
- How much water does big sacaton need?
- Established plants tolerate low water and long dry spells, but big sacaton grows tallest and thickest in swales, floodplains, and drainages that receive periodic seasonal flooding.
- What growing conditions does big sacaton prefer?
- This grass does best in full sun on open ground, tolerating sandy washes, clay flats, and alkaline soils as long as water does not stand for extended periods.
- Is Big sacaton HOA-friendly?
- Big sacaton is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Big sacaton? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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