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Semiarundinaria yashadake f. kimmei

Semiarundinaria yashadake Kimmei
Kimmei Bamboo

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This plant carries a 24 months recovery warranty

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A running bamboo of medium size, admired for its large cluster and canes with changing colours. Its top trails in large green variegated plumes, carried by canes that evolve from yellow striped with green, to coppery yellow, and then to red or even purple in winter. It is cultivated in full sun or partial shade, in deep and moist non-chalky soil.
Height at maturity
4.50 m
Spread at maturity
2 m
Exposure
Sun, Partial shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March, September
Recommended planting time March to May, August to October
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Description

Semiarundinaria yashadake f. kimmei, sometimes called red bamboo, is a variety that will appeal to collectors. This bamboo with medium stature is chosen for its graceful habit, in a tall, airy clump, but especially for the fantastic colour of its canes. Its dense crown hangs in large, evergreen panicles, displaying elegance and beauty with its slender canes that transition from bright yellow to dark red, with a coppery tone, depending on the season, exposure, and age. This bamboo will make a statement in the garden as part of a group, hedge, or isolated clump, as well as on the terrace or balcony in a container. Prune its foliage to fully appreciate the beauty of the canes!

 

Belonging to the Poaceae or Gramineae family, Semiarundinaria yashadake Kimmei is a Japanese bamboo. It has an upright habit with a cascading crown. Its growth is relatively slow, often taking time to establish and cannot tolerate waterlogged, chalky, and/or dry soils. Reaching a height of 3 to 5 m, it forms wide, spreading clumps with a span of 2.50 to 3 m, and laterally extends through its shallow, trailing rhizomes, which are relatively easy to control. This bamboo develops relatively thin, straight, and perfectly cylindrical canes, measuring 1.5 to 2 cm (1in) in diameter. These canes rise and bear long, flexible branches along their entire length, at the nodes. The young canes are yellow with green stripes, then they turn yellow-copper in summer when exposed to sunlight. With age, they tend to turn red or even become purplish in winter on mature plants. The foliage of this bamboo is evergreen to at least -15°C (5°F). It is dense and flexible, composed of large light green leaves, sometimes variegated with yellow, and lanceolate in shape. The sheaths of the canes are deciduous.

 

 

Undoubtedly the star of Asian-inspired gardens, bamboo fits into numerous styles, from the most contemporary to the most exotic, including natural gardens and water gardens. When planted alone, Semiarundinaria yashadake f. kimmei creates a true focal point in the centre of a lawn or a small garden, adding height and lushness to the overall design. We recommend installing a rhizome barrier to limit its spread. Its density makes it an excellent candidate for creating a majestic hedge along a pathway in a large garden, or as an effective and elegant privacy screen at the edge of a property, especially when planted in fertile and moist soil. Bamboo varieties complement each other very well, so choose varieties with similar vigour but different coloured canes. They are always perfect near water features as they appreciate the moisture. If you plant your bamboo alongside a body of water, it is imperative to install a rhizome barrier to prevent the tough ends of the rhizomes from penetrating the liner of your pond. You can also grow it in a large pot to adorn your terrace or balcony.

 

Semiarundinaria yashadake f. kimmei in pictures

Semiarundinaria yashadake f. kimmei   (Foliage) Foliage
Semiarundinaria yashadake f. kimmei   (Plant habit) Plant habit

Plant habit

Height at maturity 4.50 m
Spread at maturity 2 m
Habit Irregular, bushy
Growth rate slow
Suckering/invasive plant

Flowering

Flower colour insignificant

Foliage

Foliage persistence Evergreen
Foliage colour green

Botanical data

Genus

Semiarundinaria

Species

yashadake

Cultivar

Kimmei

Family

Poaceae

Other common names

Kimmei Bamboo

Origin

East Asia

Planting and care

Semiarundinaria yashadake f. kimmei is a bamboo which is rather difficult to grow if the conditions do not suit it. Ordinary, neutral-to-acid soil devoid of limestone will suit it, but its preference is for deep, light, humus-rich and moist soil. It does not like excess water or overly wet soil, the soil must be well-drained. Lighten the soil in your garden by incorporating leaf compost, ericaceous soil, and coarse sand if necessary. On the other hand, it shows excellent hardiness, tolerating temperatures down to -20°C (1°F). This bamboo thrives in partial shade as well as in the sun, but it is in a sunny position that the colour variations of its canes will be revealed, you can prune the lower branches to expose the canes to the sun. It is best to plant this bamboo in late summer or autumn, to ensure optimal rooting and development. During planting, it is advisable to install a rhizome barrier in order to limit its spreading area. Propagation can be done by rootstock cutting or division. The only maintenance required is to remove dead canes between April and September. An application of organic fertilizer can be applied at the base of the bamboo in spring.

Planting period

Best planting time March, September
Recommended planting time March to May, August to October

Intended location

Suitable for Meadow, Woodland edge
Type of use Back of border, Free-standing, Container, Hedge
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun, Partial shade
Soil pH Acidic, Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Deep, humus-bearing, light, well-drained.

Care

Pruning instructions Pruning, if necessary, should be done from May to September. Remove dried or very old canes at the end of winter.
Pruning Pruning recommended once a year
Pruning time March, May to September
Soil moisture Moist soil
Disease resistance Good
Overwinter Can be left in the ground

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