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Previously known as Arundinaria japonica, Pseudosasa japonica is just one of only twenty one species of bamboo currently within the Pseudosasa genus. It genus name is derived from the Sasa genus as this group of plants are visually similar.
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Native to to both Japan and South Korea, it forms dense thickets of olive-green, hollow canes of approximately 3-4.5 meters in height, although there are reports of them reaching up to 6 meters high when grown under particularly favorable conditions. Pseudosasa japonica has a habit of arching at the topmost part of its canes. Branches are borne singularly from each of the upper nodes and produce a mass of glossy, dark-green leaves which can be up to 25 cm in length. The underside of each leaf is grey-green in colour with a green marginal stripe. Panicles of green or brownish flower spikelets may appear at any time of year
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Be aware that Pseudosasa japonica has a creeping root-stock which can become invasive in warm, moist or favorable conditions. With this in mind, appropriate measures may need to be put in place to restrain the root system from travelling into areas where it could be considered a pest.
For related articles click onto he following links:
HOW TO GROW BAMBOO
RHS: PSEUDOSASA JAPONICA