Formosan Reed
Arundo formosana
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Grass
Height
120 inches
Width
36 inches
Light
Full Sun
Zones
6, 7, 8, 9
Water
Requires consistent moisture
Humidity
Moderate to high
Lifespan
Perennial
Native To
Asia
Toxicity
Non-toxic
The Story
Plant Bio
Arundo formosana is a tall, perennial grass with vigorous, reed-like stems and narrow, arching leaves. It produces large, plume-like flower clusters that are typically cream or pale yellow in color. This species is valued for its rapid growth and dense, bamboo-like appearance, making it an excellent choice for screening and ornamental purposes in suitable climates.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select a sunny spot with moist, well-drained soil
- Tuck rhizomes or divisions into the soil in early spring
- Water thoroughly after planting and keep soil consistently moist
- Mist cuttings regularly to encourage root development
- Mulch around the plant to retain moisture and suppress weeds
- Fertilize with a balanced fertilizer in spring for vigorous growth
Pro Tip
Ensure ample space for tall growth and regular watering for best results
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist
- Mulch to conserve moisture and control weeds
- Divide clumps every 2-3 years to maintain vigor
Don't
- Avoid drought stress; water during dry periods
- Do not plant in poorly drained soil to prevent root rot
- Avoid heavy fertilization which can promote pest issues
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Formosan Reed questions
What zones can Formosan Reed grow in?
Formosan Reed is hardy in USDA Zones 6–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Formosan Reed deer resistant?
Not reliably. Deer may browse Formosan Reed, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Formosan Reed bloom?
Formosan Reed typically blooms in late summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Formosan Reed need full sun?
Formosan Reed does best in full sun (6+ hours).
Is Formosan Reed drought tolerant?
Yes — once established (usually after the first full season), Formosan Reed handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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Grow Formosan Reed with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
