About

Arundo donax is a perennial plant with a rhizomatous growth habit, producing expansive clumps of tall, bamboo-like stems that can reach heights of up to 5 meters. Its leaves are elongated and strap-like, showcasing a blue-green hue. At the top of the stems, it bears large, purplish flower clusters that emerge in terminal panicles.

About the genus

Arundo is a genus comprising tall, sturdy, evergreen perennials that resemble grasses, with some species displaying a reed-like structure. These plants are indigenous to southern Europe, North Africa, and temperate regions of Asia.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Poorly-drained, Well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Plant type
Grass Like
Habit
Tufted
Foliage
Deciduous
Height
4-8 metres
Spread
1-1.5 metres
Time to full height
5-10 years
Native to
Mediterranean

Care notes

Cultivation
This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act (Northern Ireland) as an invasive non-native species. Although not banned from sale, it is an offence to plant or cause these to grow in the wild IN NORTHERN IRELAND. Gardeners possessing them should undertake measures to control them. See RHS advice on invasive non-native species for further information
Propagation
Please see cultivation notes
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free