Sasaella ramosa

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Sasaella ramosa
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:7
Soil pH:5.6-8.4
Evergreen
Height:3'
Width:10'
Speed:Fast
Open Woods Forest
Native to:
Tea:Yes
Poisonous

Sasaella ramosa (common name: azuma-zasa)

Propagation: Seed - if possible, surface sow the seed as soon as it is ripe in a greenhouse at about 20°c. Stored seed is best sown as soon as it is received. Do not allow the compost to dry out. Germination usually takes place fairly quickly so long as the seed is of good quality, though it can take 3 - 6 months. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in a lightly shaded place in the greenhouse until large enough to plant out, which could be a few years. Plants only flower at intervals of several years and so seed is rarely available.

Division in late spring as new growth commences. Take divisions with at least three canes in the clump, trying to cause as little root disturbance to the main plant as possible. Grow them on in light shade in a greenhouse in pots of a high fertility sandy medium. Mist the foliage regularly until plants are established. Plant them out into their permanent positions when a good root system has developed, which can take a year or more[1].

Basal cane cuttings.

Cultivation: Requires a good humus rich loam with ample moisture in the growing season[1]. Prefers partial shade[1], growing well in thin woodland.

Very hardy, tolerating temperatures down to -22°c. The leaf margins are damaged by even light frosts, this gives a distinctive white margin to the leaves but does not otherwise damage the plant[2].

This species is notably resistant to honey fungus[1].

Plants only flower at intervals of many years. When they do come into flower most of the plants energies are directed into producing seed and consequently the plant is severely weakened. They sometimes die after flowering, but if left alone they will usually recover though they will look very poorly for a few years. If fed with artificial NPK fertilizers at this time the plants are more likely to die[3].

The rhizome is very vigorous, the plant is very invasive and can get out of control[1].

Range: E. Asia - Japan.

Usage: The plants are very invasive and the extensive root system makes them very useful for soil stabilization on steep slopes[2].

Pollinators: Wind

Soil: Can grow in light, medium, and heavy soils.

In Leaf: Evergreen

Flower Type: Hermaphrodite

Also Known As: Arundinaria vagans.

Links

References

  1. 1.0 1.1 1.2 1.3 1.4 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  2. 2.0 2.1 Farrelly, David. The Book of Bamboo. Sierra Club, 1984.
  3. Royal Horticultural Society. The Plantsman Vol. 1. 1979 - 1980. Royal Horticultural Society, 1979.