Straw Hat Sedge

Straw Hat Sedge

Carex pensylvanica 'Straw Hat'

This ornamental grass forms a mounding clump is valued for its texture, movement, and four-season presence in the mixed border or mass planting.

  • Bold foliage provides strong textural contrast in the mixed border from spring through winter.
  • Flower heads add a secondary layer of ornament through summer and autumn.
  • Leave stems standing through winter for wildlife value and structural interest; cut back hard to 10–15 cm in early spring.
  • Best in partial shade to full shade with moist, average, dry soil.
Size
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Plant Characteristics

Sunlight
Partial shade, Shade
Soil Moisture
Average, Dry, Moist
Drought Tolerant
✓
Hardiness Zone
3 – 3
Mature Height (meters)
0.2 – 0.25
Mature Spread (meters)
0.15 – 0.3
Growth Rate
Medium
Foliage Colour
Green
Fall Colour
Brown
Bloom Time
Spring
Habit
Mounding
Deer Resistant
✓
Rabbit Resistant
✓
Landscape Uses
Border, Mass planting, Accent
Growing & Maintenance Tips
This ornamental sedge tolerates partial shade to full shade in an average to dry, well-drained soil.
Notes
Also referred to as Oak Sedge, Pennsylvania Sedge, Plantainleaf Sedge, Seersucker Sedge. Cool Season Grasses:These grasses do the majority of their growing in early spring and start again when temperatures start to cool in the fall. During the warmer summer months, they stop growing and some will even go dormant. Cool season grasses flower in the spring or early summer. Most cool season grasses grow best in a consistently moist soil. (But this one prefers drier soil.)

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