
Blue Zinger Sedge
Carex flacca 'Blue Zinger'
Essentials
At a Glance
Plant Type
Groundcover
Height
12 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Medium
Humidity
Average
Lifespan
Perennial
Native To
Europe, Western Asia, North Africa
Toxicity
Non-toxic
The Story
Plant Bio
Carex flacca, commonly known as glaucous sedge, is a low-growing, rhizomatous perennial with arching, bluish-green foliage. Insignificant brownish flower spikes appear in spring. It forms a soft, ornamental ground cover. Carex 'Blue Zinger' is a cultivar distinguished by its vibrant, silvery-blue foliage that is more intensely colored than the species. It forms a dense, arching clump and retains its color throughout the growing season, providing excellent texture.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or divisions into prepared soil in early spring.
- Keep soil moist until established, about 6 weeks.
- Mist cuttings regularly to encourage rooting.
- Apply a balanced fertilizer in spring for optimal growth.
- Mulch around plants to retain moisture and suppress weeds.
- Transplant in early spring or fall for best results.
Pro Tip
Plant in moist, well-drained soil with partial shade for best color.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to conserve moisture and suppress weeds
- Divide every 3-4 years to maintain vigor
Don't
- Avoid dry or overly compacted soils ❌
- Don’t expose to full sun in hot climates
- Refrain from over-fertilizing to prevent legginess
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Blue Zinger Sedge questions
What zones can Blue Zinger Sedge grow in?
Blue Zinger Sedge is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Blue Zinger Sedge deer resistant?
Yes — Blue Zinger Sedge is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Blue Zinger Sedge bloom?
Blue Zinger Sedge typically blooms in spring through early spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Blue Zinger Sedge need full sun?
Blue Zinger Sedge does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Blue Zinger Sedge drought tolerant?
Yes — once established (usually after the first full season), Blue Zinger Sedge handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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