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Japanese sedge

Carex oshimensis

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Japanese sedge is part of the Carex genus. Its scientific name is Carex oshimensis.

Grown for evergreen grass, flowers are inconspicuous.

Japanese sedge grows as an evergreen and is a grass. Being an evergreen plant, it will keep its leaves throughout the year. Japanese sedge is known for its grass habit and growing to a height of approximately 30.0 cm (11.7 inches). Popular varieties of Japanese sedge with home gardeners are Evergold, Intense Green, Old Gold, Everbrite, and Gold Strike.

Japan is believed to be where Japanese sedge originates from.

Japanese sedge is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!

This plant info is provided by the myfolia gardener's wiki. All details about Japanese sedge have been kindly provided by our members.

How to grow Japanese sedge

Medium

Remember to water Japanese sedge moderately. Zone 5 to 9 are typically the USDA Hardiness Zones that are appropriate for this plant (although this can vary based on your microclimate). Japanese sedge tends to grow best in a soil ph of between 6.0 and 7.0 meaning it does best in acidic to neutral soil. Keep in mind when planting that Japanese sedge is thought of as hardy, so this plant will survive close to or on freezing temperatures.

Growing Japanese sedge from seed

Transplanting Japanese sedge

Companion plants for Japanese sedge

These plants have been known to grow well alongside Japanese sedge so consider planting:

Repellent plants for Japanese sedge

These plants will not grow well with Japanese sedge so avoid planting these within close proximity:

Common Japanese sedge problems

These problems, diseases and pests are known to affect Japanese sedge plants:

Other names for Japanese sedge

Oshima sedge, Oshima kan suge, Japanese sedge grass

Carex Hachijoenis, Carex morrowii

Misspellings: Carex Hachioensi

Japanese sedge care instructions

Category The lifecycle that this Japanese sedge exhibits. Evergreen Difficulty How easy is Japanese sedge to grow? Very easy 1/5
Lifecycle The lifecycle that this Japanese sedge exhibits. Evergreen Growth Habit What shape or habit does Japanese sedge grow into? Grass
Hardiness How frost hardy is Japanese sedge? Hardy Country of Origin Where did Japanese sedge come from? Japan
Mature Height How tall does Japanese sedge grow? 30.0 cm / 11.7 inches Mature Spread How wide does Japanese sedge grow? 38.0 cm / 1.24 feet
USDA Zone Range Which zones does Japanese sedge grow best in? Zone 5 to Zone 9 pH Range The level of acidity for Japanese sedge. 6.0 - 7.0
Water Requirements How much water does Japanese sedge require? Medium Nitrogen Requirements How much nitrogen fertilizer does Japanese sedge need? Help build our wiki!
Soil What sort of soil should I plant Japanese sedge in? Help build our wiki! Sun How much sunlight does Japanese sedge need to grow? Help build our wiki!
Can Sow Direct? Can Japanese sedge be sown directly? No Sowing Depth How deep to plant Japanese sedge? Help build our wiki!
Sowing Distance Apart How far apart to plant Japanese sedge? Help build our wiki! Sowing Row Distance Apart How far apart to plant rows of Japanese sedge? Help build our wiki!
Ideal Germination Temperature Range What temperatures does Japanese sedge need in order to germinate? Help build our wiki! to Help build our wiki! Growing Temperatures What temperatures are best to grow Japanese sedge in? Help build our wiki! to Help build our wiki!
Planting Distance Apart How far apart to plant Japanese sedge seedlings. 30.0 cm / 11.7 inches Planting Row Distance Apart How far apart to plant rows of Japanese sedge seedlings. 38.0 cm / 1.24 feet
Bloom Time When will Japanese sedge bloom? Help build our wiki! Harvest Time When is Japanese sedge ready for harvest? Help build our wiki!
Pruning Time When should I prune Japanese sedge? Help build our wiki!

How long does Japanese sedge take to grow?

These estimates for how long Japanese sedge takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

Days to Germination How long does it take Japanese sedge to germinate? days Average days | Min days | Max days (0)
Days to Transplant How long until I can plant out Japanese sedge? + days Average days | Min days | Max days (0)
Days to Maturity How long until Japanese sedge is ready for harvest / bloom? + days Average days | Min days | Max days (0)
Total Growing Days How long does it take to grow Japanese sedge? = days

Footnotes

Popular varieties of Japanese sedge

View the complete variety list for Japanese sedge »

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