Life Span
Perennial
Perennial
Type
Perennial
Grass
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
-
Types
-
Calamagrostis x acutiflora 'Overdam'
Number of Varieties
22
0
40000
👆🏻
Habitat
gardens, Hardwood forests
Grassland, low mountains, Semi desert, Woodlands
USDA Hardiness Zone
5-75-9
0
99
👆🏻
AHS Heat Zone
7-5
9 - 5
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
15.20 cm90.00 cm
0
3900
👆🏻
Minimum Width
12.70 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green
-
Leaf Color in Spring
Green, Blue Green
White, Green
Leaf Color in Summer
Green, Gray Green
Light Green
Leaf Color in Fall
Green, Gray Green
White, Green, Orange, Gold
Leaf Color in Winter
Light Green
Gold, Tan
Shape
Leaf Shape
Butterfly shaped
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer, Fall, Winter
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Fast
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Late Spring, Early Summer
Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground, Pot
Ground
How to Plant?
Divison, Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Medium
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove deadheads, Requires very little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer
Pests and Diseases
Pests and diseases free, Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
Birds
Allergy
-
Skin irritation
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Cancer, Diuretic
-
Part of Plant Used
Flowers, Root
Whole plant
Other Uses
-
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Groundcover
Dried Flower / Everlasting, Cutflower, Foundation, Mixed Border, Wildflower
Botanical Name
JEFFERSONIA diphylla
CALAMAGROSTIS x acutiflora 'Overdam'
Common Name
-
Feather Reed Grass, Overdam Feather Reed Grass
In Hindi
Twinleaf
Overdam घास
In German
Twinleaf
Overdam Grass
In French
Twinleaf
Overdam Herbe
In Spanish
Twinleaf
Overdam Hierba
In Greek
Twinleaf
Overdam Grass
In Portuguese
Twinleaf
Overdam Relva
In Polish
Twinleaf
Overdam Trawa
In Latin
Twinleaf
Overdam Trawa
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
-
Class
Magnoliopsida
-
Order
Ranunculales
Poales
Family
Berberidaceae
Poaceae
Genus
Jeffersonia
Calamagrostis
Clade
Angiosperms, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
-
Subfamily
-
Amaryllidoideae
Number of Species
2260
1
27800
👆🏻