Eastern Gamagrass
Tripsacum dactyloides
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Grass
Height
72 inches
Width
48 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Adaptable from wet to dry
Humidity
Tolerates high humidity
Lifespan
Very long-lived perennial grass
Native To
Eastern and Central North America
Toxicity
Non-toxic
The Story
Plant Bio
Tripsacum dactyloides is a large, warm-season perennial bunchgrass native to eastern North America. It has wide, corn-like leaves and forms substantial clumps, with unique flower spikes having separate male and female sections. This grass is exceptionally tough and adaptable, thriving in both wet clay and dry conditions. It is a highly valuable native grass for prairie restorations, forage, and creating bold, architectural statements in the landscape.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select a site in full sun.
- It tolerates a wide range of soils, from wet clay to dry loam.
- Plant after the last frost when the soil is warm.
- Dig a hole large enough to accommodate the root system.
- Set the plant at the same depth it was growing in its container.
- Water well after planting and during its first year to establish deep roots.
Pro Tip
Give it plenty of space; this is a large, robust grass that will form a substantial clump over time.
Keep It Thriving
Care Guide
Do
- Provide full sun for the strongest growth.
- Cut back the dormant foliage in late winter or early spring.
- Use it where a large, dramatic grass is needed.
Don't
- Don't plant it in a small, tidy border; it needs room to grow.
- Avoid planting in deep shade.
- Don't fertilize; it thrives in average to lean soils.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant | ||||||||||||
| 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
Eastern Gamagrass questions
What zones can Eastern Gamagrass grow in?
Eastern Gamagrass is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Eastern Gamagrass deer resistant?
Yes — Eastern Gamagrass is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Eastern Gamagrass bloom?
Eastern Gamagrass typically blooms in early summer through mid-summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Eastern Gamagrass need full sun?
Eastern Gamagrass does best in full sun (6+ hours).
Is Eastern Gamagrass drought tolerant?
Yes — once established (usually after the first full season), Eastern Gamagrass 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 Eastern Gamagrass 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.
