How to Grow Deer Tongue Grass
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Deer Tongue Grass
Dichanthelium clandestinum
grassDeer Tongue Grass is a native North American warm-season perennial grass valued for wildlife forage and native plantings. Named for its distinctive tongue-shaped leaf blades, it produces high-quality nutrition for deer and other wildlife. This grass is particularly important in conservation and restoration projects across eastern and central North America.
When should you plant Deer Tongue Grass in your zone?
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Example Deer Tongue Grass timeline · Pittsburgh, PA (Zone 6b)
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Plant Deer Tongue Grass
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Deer Tongue Grass
Around Oct 14≈ 180 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Deer Tongue Grass dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 4-9, with best performance in zones 5-8
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Germination & Seedling
2-4 weeksTiny seedlings emerge with fine, hair-like foliage; very delicate appearance
Keep soil consistently moist but not waterlogged; provide light exposure; protect from heavy foot traffic
Establishment & Vegetative Growth
6-10 weeksYoung plants develop characteristic tongue-shaped leaf blades; root system deepening; gradual height increase to 12-18 inches
Continue regular watering; thin competing weeds; allow undisturbed growth for root establishment
Mature Growth & Rhizome Development
8-12 weeksFully developed clumps with dense foliage; underground rhizomes spreading; plant reaches 18-30 inches tall
Reduce supplemental watering; mow or burn if managing for wildlife habitat; minimal fertilizer needed
Flowering & Seed Production
6-10 weeksInconspicuous flowers in late summer; seed heads develop; foliage may show reddish tints in fall
Allow seed heads to mature for wildlife food; minimal intervention; do not mow if seed dispersal desired
Dormancy & Winter
3-4 monthsAbove-ground growth dies back to reddish-brown; plant goes dormant; rhizomes persist underground
No irrigation needed; do not disturb; existing residue provides wildlife cover; spring growth resumes with warmth
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Natural populations rarely problematic in native plantings; encourage beneficial insects; avoid unnecessary pesticides
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Typically managed by predators in natural settings; hand-pick if severe; apply insecticidal soap if needed
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Usually minor; attract birds and parasitoid wasps; rarely require control in native plantings
Uses
Premium Deer Forage
WildlifeDeer Tongue Grass provides highly nutritious forage for white-tailed deer and other wildlife. Its tongue-shaped leaves are palatable and energy-dense, making it a preferred browse plant in native restoration projects. [source]
Seed Food Source
WildlifeThe prolific seed production provides essential nutrition for songbirds, upland game birds, and small mammals throughout fall and early winter. Seeds persist on plants into winter, offering late-season food availability. [source]
Native Habitat Restoration
HouseholdWidely used in prairie reconstruction and conservation easement projects across the eastern and central United States. Establishes quickly and helps restore degraded grassland ecosystems. [source]
Nesting Cover
WildlifeDense growth and residual thatch provide important nesting habitat and protection for ground-nesting birds, small mammals, and beneficial insects. [source]
Traditional Ethnobotanical Use
MedicinalNative American tribes traditionally used deer tongue grass in herbal preparations and teas, though modern scientific validation is limited. Historically valued for general wellness practices. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Deer Tongue Grass is not traditionally harvested for human use. For wildlife management, allow seed heads to mature fully (late fall) before seed drop; grazing animals can be introduced mid-to-late growing season. For seed collection, harvest in late September to October when seeds turn dark brown and easily detach.
Fun Facts
- 🌱 Deer Tongue Grass earned its common name from the distinctive shape of its leaf blades, which resemble a small tongue—a characteristic that makes it easy to identify in the field.
- 🌱 This warm-season grass goes dormant in winter but has extensive rhizomes (underground stems) that allow it to survive harsh winters and return vigorously each spring, making it highly resilient.
- 🌱 Deer prefer Deer Tongue Grass over many other native grasses because it remains tender and nutritious longer into the growing season, making it a 'designer forage' for wildlife managers.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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