White Topped Sedge (Rhynchospora colorata)

White-topped Sedge

Rhynchospora colorata

Other Common Names: White-top Sedge, Star Sedge

Quick Plant Info

• ☀️ Light: Full Sun to Part Shade
• 💧 Water: Medium
• 🌿 Type: Sedge/Rush
• 📏 Mature Size: 1–2 ft tall × 1–2 ft wide

Description

An eye-catching native sedge for wet areas, with bright white bracts that make it stand out in summer.

White-topped Sedge brings an airy, architectural look to the garden, with grass-like foliage and distinctive white-tipped flower heads that seem to glow above the leaves. It’s especially useful anywhere you need texture and visual interest in consistently moist soil.

🌼 Why it works

• Striking white bracts create a clean, bright summer display
• Excellent choice for wet or seasonally wet areas
• Adds fine texture and movement to the landscape
• Works well in naturalistic and water-wise stormwater plantings

🐦 Wildlife value

White-topped Sedge contributes to habitat value in wetland-style and water-edge plantings and supports the broader ecology of moist native landscapes.

🌱 Where it thrives

Best in wet soils and moist planting areas, especially where water collects naturally or drainage is slow. It is a strong fit for rain gardens, pond edges, bioswales, and other low spots.

• Rain gardens
• Pond and stream edges
• Low spots with consistent moisture

Soil: Prefers wet to consistently moist soils.

✂️ Growth & maintenance

Best where the soil stays reliably moist. This is not the plant for dry beds or drought-prone spots.

💧 Water (establishment note)

Water regularly during establishment; White-topped Sedge requires consistently moist to wet soil and is best suited for low or wet areas.

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