Black Sedge
Carex nigra
Family: Cyperaceae
Black Sedge grows in full sun to partial shade and prefers wet acidic soil. Water needs: High.
Photo Gallery
Plant reference images showing growth stages and identifying features.
Photo info
Photo info
How to Grow Black Sedge
Black Sedge growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Wet acidic soil with a soil pH of 4.5-7.0, and High water needs. The listed hardiness zones are 3-8. For propagation reference, the database lists germination or establishment information for Black Sedge as 21-60 days, with planting or establishment depth listed as Surface sow. Days to maturity are listed as 120-180 days.
Plant Overview
Black Sedge (Carex nigra) is listed in the Cyperaceae family and categorized as a grass with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Moderate.
- Plant ID
- PLT-3788
- Family
- Cyperaceae
- Plant type
- Grass
- Life cycle
- Perennial
- Difficulty
- Moderate
Growing Conditions
Black Sedge is listed for full sun to partial shade conditions. Water needs are listed as high. The database soil reference is Wet acidic soil. The listed soil pH range is 4.5-7.0, and the listed hardiness range is 3-8.
- Hardiness zones
- 3-8
- Sunlight
- Full sun to partial shade
- Soil
- Wet acidic soil
- Soil pH
- 4.5-7.0
- Water needs
- High
Seed & Germination
For seed starting, the listed germination time is 21-60 days and the seed depth is Surface sow. The listed time to maturity is 120-180 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 21-60 days
- Seed depth
- Surface sow
Harvest & Propagation
- Days to maturity
- 120-180 days
Related Plants
Find, buy, swap, or sell Black Sedge
One World One Seed connects this plant profile to community sellers, plant swaps, storefronts, and participating garden retailers.
Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.