Giant reed
Arundo spp.
Arundo donax habit9 (6971244956) (2) by Harry Rose (CC BY 2.0)
Full Sun
Moderate watering
Tender
H2
RHS hardiness
1°C
Minimum temperature
Expected size
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Giant reed Overview
Genus of around 5 species of sturdy, perennial, rhizomatous grass from Southern Europe, North Africa and most of Asia in temperate climates. They are tall grasses, growing to a maximum height of 10m, but more commonly between 3-6m. This genus has been extensively reclassified and many species once included are now recognised to be belonging to other genera. Some species are being investigated for use as renewable fuel, but many are also considered noxious invasive weeds and commercial planting is a contentious issue.
How to propagate Giant reed
Seed
Seed in spring or autumn.
Division
By division in autumn; however forms should be propagated by division only.