giant reed 'Macrophylla'
Also known as: Information to be completed
Macrophylla' is an evergreen grass to 3m or more in height with thick, bamboo-like stems and wide, strap-shaped, arching, glaucous-green leaves. Feathery panicles of purple-flushed flowers may be borne in autumn

Scientific classification
- Species
- giant reed 'Macrophylla' (Arundo donax 'Macrophylla')
- Genus
- Arundo
- Family
- Poaceae
- Information to be completed
- Toxicity
- Grass Like
- Plant type
- 2.5-4 metres
- Height
- 1-1.5 metres
- Spread
- Evergreen
- Foliage
- Columnar upright
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
giant reed 'Macrophylla' pictures
Distribution of giant reed 'Macrophylla'
Distribution map
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Culture
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Toxicity
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Quick identification of giant reed 'Macrophylla'
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giant reed 'Macrophylla' care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
Balanced perennial feed every four weeks from spring through summer
Pruning
Leaves can be cut off when they die back in late autumn
Propagation
Please see cultivation notes
Growing
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
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Common pests and diseases
Diseases
Generally disease-free
Pests
Generally pest-free
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