Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Grass
Origin
Northwestern United States, Canada
-
Types
-
Calamagrostis x acutiflora 'Overdam'
Number of Varieties
62
0
40000
👆🏻
Habitat
Lowland, Moist Soils, Swamps
Grassland, low mountains, Semi desert, Woodlands
USDA Hardiness Zone
5-75-9
0
99
👆🏻
AHS Heat Zone
8-1
9 - 5
Sunset Zone
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
Pyramidal
Upright/Erect
Plant Size
Minimum Height
1,520.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
760.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sienna
-
Leaf Color in Spring
Dark Green
White, Green
Leaf Color in Summer
Dark Green
Light Green
Leaf Color in Fall
Dark Green
White, Green, Orange, Gold
Leaf Color in Winter
Dark Green, Bronze
Gold, Tan
Shape
Leaf Shape
Scale-like imbricate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring
Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Soil Compaction
Wet Site, Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Hardwood Cuttings, Rooted stem cutting, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs a lot of moisture in the growing season, when new, water every week
Average Water Needs
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, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Armillaria root rot, Bark beetles
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds
Allergy
Asthma, contact allergic dermatitis, Urticaria
Skin irritation
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Bronchitis, Cold, Cough, Fever, Sore throat
-
Part of Plant Used
Branch, Inner Bark, Leaves, Wood
Whole plant
Other Uses
Dugout canoes, Making deodorants, Medicinal oil, Paper pulp, Pulp can be used to make rope place mats and other goods, Used as an insecticide, Used to make baskets
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening / Wind Break
Dried Flower / Everlasting, Cutflower, Foundation, Mixed Border, Wildflower
Botanical Name
THUJA plicata
CALAMAGROSTIS x acutiflora 'Overdam'
Common Name
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
Feather Reed Grass, Overdam Feather Reed Grass
In Hindi
Pacific redcedar
Overdam घास
In German
Riesen-Lebensbaum
Overdam Grass
In French
Thuja plicata
Overdam Herbe
In Spanish
Thuja plicata
Overdam Hierba
In Greek
Thuja plicata
Overdam Grass
In Portuguese
Thuja plicata
Overdam Relva
In Polish
Żywotnik olbrzymi
Overdam Trawa
In Latin
Thuja plicata
Overdam Trawa
Kingdom
Plantae
Plantae
Phylum
Pinophyta
-
Class
Pinopsida
-
Order
Pinales
Poales
Family
Cupressaceae
Poaceae
Genus
Thuja
Calamagrostis
Clade
-
Angiosperms, Commelinids, Monocots
Tribe
-
-
Subfamily
-
Amaryllidoideae
Number of Species
15260
1
27800
👆🏻