Showy Whitetop
Rhynchospora nivea
Last reviewed: June 2026
Light
full sun
Water
medium
Size
12"–18" H × 6"–12" W
Bloom
Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
Native to
OK, TX
Before you buy
Your city may pay you to plant this
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Showy Whitetop is a compact native sedge that forms neat clumps with striking white, star-shaped flower clusters that bloom for most of the growing season. This attractive perennial maintains a tidy, grass-like appearance while providing nearly continuous white blooms from spring through fall.
In an HOA neighborhood
Showy Whitetop is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, mid zone.
- Cut back in late winter
Wildlife value
The long blooming period and abundant flowers provide nectar for various small pollinators including native bees and beneficial insects. The seeds also attract small songbirds in late fall and winter.
Common questions
- How much sun does Showy Whitetop need?
- Showy Whitetop grows best in full sun conditions.
- When does Showy Whitetop bloom?
- Showy Whitetop blooms in March, April, May, June, July, August, September, October, and November.
- Where is Showy Whitetop native?
- Showy Whitetop (Rhynchospora nivea) is native to OK, TX, per the USDA PLANTS Database and regional native plant society lists.
- Is Showy Whitetop HOA-friendly?
- Showy Whitetop is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Showy Whitetop? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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