Glaucous sedge (Carex flacca)
Glaucous sedge (Carex flacca) is a grass plant that can grow 10cm – 50cm tall and 50cm – 1.5m wide. In this growing guide we’ll learn the cultivation details and how to plant Glaucous sedge (Carex flacca).
This plant has several common names including: glaucous sedge, blue green sedge, carnation grass or flabby sedge.
This is a evergreen plant that takes 2-5 years to reach full maturity.
In this article
Plant profile
Common name: glaucous sedge, blue green sedge, carnation grass, flabby sedge
Scientific name: Carex flacca
Plant type: Grasses
Habit: Bushy
Height: 10cm – 50cm
Spread: 50cm – 1.5m
Foliage: Evergreen
Sunlight: Full Sun, Partial shade
Soil: Chalk, Clay, Loam, Sand
Moisture: Moist but well drained, Well drained
Garden type: City & Courtyard Gardens, Coastal, Informal Garden, Patio & Container Garden, Rock & Gravel Garden
Planting type: Ground Cover
Other characteristics: Drought resistant
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
How to plant Glaucous sedge (Carex flacca) – Robert Flogaus-Faust, CC BY 4.0, via Wikimedia Commons
Other types of Carex to consider:
See all Carex
How to plant
In this section we will learn how to plant Glaucous sedge (Carex flacca), know its needs in terms of soil, watering and sun exposure.
Soil
Glaucous sedge (Carex flacca) is a plant that adapts to all types of soils, chalk, clay, loam or sand.
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The chalky soil is pale and contains chunks of calcium-rich rock. It is a fertile and well-draining soil, almost always alkaline.
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Clay soil is composed of more than 25 percent clay particles. These particles have a high moisture holding capacity and the soil is heavy to dig and can be waterlogged in winter (dry in summer).
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The loam soil is dark, rich in organic matter but balanced in minerals. It offers the best of all worlds, retaining enough water for the plants, but allowing excess moisture to drain away. This is the most desired type of garden soil, perfect for most plants.
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Sandy soil is light, porous and very easy to drain. It is a soil poor in organic matter and nutrients. It is composed of relatively large mineral particles that allow water to drain quickly.
As for pH, it is a plant that grows ideally in soils with pH alkaline or neutral.
Regarding drainage, Carex flacca likes to grow in moist but well drained or well drained soils.
Sunlight
Glaucous sedge (Carex flacca) is a plant that should be grown in full sun or partial shade positions.
Cultivation profiles – Growing Glaucous sedge (Carex flacca) – Photo by David J. Stang, CC BY-SA 4.0, via Wikimedia Commons
