Life Span
Perennial
Perennial
Type
Grass
Perennial
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas, Mexico, Caribbean
-
Types
Ornamental Grass
Primula auricula, Bear's Ear
Number of Varieties
2025
0
40000
👆🏻
Habitat
marshes, Riverbanks, Sandy areas, Tropical rainforest
Rocky Mountains
USDA Hardiness Zone
5-104-9
0
99
👆🏻
AHS Heat Zone
12 - 5
9-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
150.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm25.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Orange Red
Yellow, Yellow Orange
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light brown, Light Green
-
Leaf Color in Spring
Green, Olive
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Red, Dark Green, Dark Red, Bronze
Green, Light Yellow, Brown
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Long Linear
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Drought
Drought
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires consistently moist soil, Requires regular watering, Water daily during growing season
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer, fertilize in growing season
Pests and Diseases
Borers, Red blotch
-
Plant Tolerance
Drought
Variety of soil types
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
-
Allergy
Skin irritation
-
Uses
Aesthetic Uses
Landscape Designing
Beautification, Borders, Landscape Designing, Showy Purposes
Beauty Benefits
-
Good for skin, Making cosmetics, Stops hair loss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Food for insects, Versatility
Plant Benefits
Medicinal Uses
-
Eczema
Part of Plant Used
Leaves
Root
Other Uses
Animal Feed, Decoration Purposes, Showy Purposes
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Groundcover, Mixed Border, Water Gardens, Wildflower
Edible, Feature Plant, Fruit / Fruit Tree
Botanical Name
TRIPSACUM dactyloides
Primula auricula
Common Name
Eastern Gamagrass
auricula, mountain cowslip or bear's ear
In Hindi
पूर्वी Gamagrass
mountain cowslip
In German
Eastern Gamagrass
Aurikel
In French
Gamagrass Orient
Primula auricula
In Spanish
Maicillo del Este
Primula auricula
In Greek
Ανατολική Gamagrass
mountain cowslip
In Portuguese
Gamagrass Oriental
cowslip montanha
In Polish
Eastern Gamagrass
Pierwiosnek łyszczak
In Latin
Orientalium Gamagrass
Primula auricula
Kingdom
Plantae
Plantae
Phylum
Streptophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Poales
Ericales
Family
Poaceae
Primulaceae
Genus
Tripsacum
Primula
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Andropogoneae
-
Subfamily
Panicoideae
Primuloideae
Number of Species
125
1
27800
👆🏻