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| Category: Grass-like |
| Family: Juncaceae (Rushes) |
| Origin: Japan (Asia) |
| Evergreen: Yes |
| Flower Color: Red Brown |
| Bloomtime: Summer |
| Synonyms: [Juncus effusus 'Carman's Japan] |
| Height: 1-2 feet |
| Width: Clumping |
| Exposure: Sun or Shade |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: <15° F |
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Juncus 'Carman's Japan' (Carman's Sacred Japanese Rush) - This evergreen clump-forming rush grows 18-24 inches tall, with bright green, thin, narrow stems of a fine texture and an overall graceful form. The brown flowers along the side of the stems below the tips are attractive and useful in small flower arrangements. Plant this evergreen sedge in full sun to light shade in moist soil, a pond to a depth of 4 inches, or in areas that get only occasional irrigation. It is hardy to below 15 degrees F - how much so we do not know. This plant seeds about in the garden but not in great quantities so it really does not seem pesky. We consider this plant a Carman Nursery introduction. The story as we have it from John Greenlee is that Ed Carman was delivering plants to a garden in Woodside, California that was being worked on by a Japanese master garden designer and stonemason, who noted that he always included this elegant rush in his gardens and gave a plant to Ed - John Greenlee purchased a plant at Carman's Nursery and subsequently named it 'Carman's Japan'. We received this plant from John Greenlee in 1987 and have grown it in our nursery ever since. It was placed as a selection of Juncus effusus by Rick Darke in his book "The Color Encyclopedia of Ornamental Grasses" where he calls the plant 'Carman's Japanese'. The name for the genus comes from the Latin word 'iuncus' which was the ancient word for Rushes and came from the word 'iungere' meaning "to join" and was in reference to the use of Rushes for cordage and tying.
The information about Juncus 'Carman's Japan' displayed on this page is based on research conducted in our library and from reliable online resources. We also relate observations made about it as it grows in our nursery gardens and other gardens we visit, as well how the crops have performed in containers in our nursery field. We will also incorporate comments we receive from others, and we welcome hearing from anyone with additional information, particularly if they can share cultural information that would aid others in growing it.
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