James' Sedge (Carex jamesii) in the Sedges Database

Common names:
Give a thumbs up James' Sedge
Give a thumbs up Sedge

General Plant Information (Edit)
Plant Habit: Grass/Grass-like
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Partial Shade to Full Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 7b
Plant Height: 6 to 8 inches, to 12 inches
Flowers: Other: flowers are small and combined into spikes
Flower Time: Late spring or early summer
Underground structures: Rhizome
Resistances: Deer Resistant
Rabbit Resistant
Propagation: Other methods: Division

credit: Jason Sturner

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Comments:
Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jul 5, 2018 12:19 PM

The James or Grass Sedge grows in rich mesic woodlands in a native range from southern Ontario and Minnesota to New York down to northern Alabama & Mississippi to eastern Oklahoma up back to Minnesota. It is usually about 6 to 8 inches high, but can reach to 12 inches. The blades are to 7 inches long x 3.5 mm wide and are light to medium green, hairless, with slightly winged and rough-textured leaf edges. Its most unique characteristic is having clustered spikelet sedge flower clusters that have 2 to 4 perigynia (sac-like bracts under the female flowers that become a flask-like envelope that holds the achene seeds. The seeds are distributed by ants. It looks like mini-tussocks of grass in woodlands. It is threatened in parts of its range. I don't know of it being sold at any nurseries. A few native plant nurseries may have seed or sprigs for natural restorations.

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