Life Span
Annual and Perennial
Perennial
Type
Aquatics
Needled or Scaled Evergreen
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, California, Texas
Northwestern United States, Canada
Types
Virginia
-
Number of Varieties
56
0
40000
👆🏻
Habitat
Wet lands
Lowland, Moist Soils, Swamps
USDA Hardiness Zone
4-105-7
0
99
👆🏻
AHS Heat Zone
10-5
8-1
Sunset Zone
21,22
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Pyramidal
Plant Size
Minimum Height
10.20 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm760.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Green
Light Yellow
Flower Color Modifier
-
Bicolor
Fruit Color
-
Brown, Sienna
Leaf Color in Spring
Green, Dark Green
Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Dark Green
Dark Green
Leaf Color in Winter
-
Dark Green, Bronze
Shape
Leaf Shape
Lobed
Scale-like imbricate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Poorly Drained
Well drained
Bloom Time
Summer, Late Summer, Early Fall
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Pollution, Soil Compaction
Where to Plant?
In Water
Ground
How to Plant?
Stem Cutting
Cuttings, Hardwood Cuttings, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires consistently moist soil
Average Water Needs, Needs a lot of moisture in the growing season, when new, water every week
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Poorly Drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
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
Red blotch
Armillaria root rot, Bark beetles
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
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
Medium
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
-
Allergy
-
Asthma, contact allergic dermatitis, Urticaria
Uses
Aesthetic Uses
Showy Purposes, Water gardening
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Anxiety, Sedative
Bronchitis, Cold, Cough, Fever, Sore throat
Part of Plant Used
Leaves
Branch, Inner Bark, Leaves, Wood
Other Uses
Used as Ornamental plant
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 Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Groundcover, Water Gardens
Feature Plant, Hedges, Screening / Wind Break
Botanical Name
HYDROCOTYLE umbellata
THUJA plicata
Common Name
Manyflower Marsh Pennywort, Pennywort
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
In Hindi
pennywort
Pacific redcedar
In German
Wassernabel
Riesen-Lebensbaum
In French
pennywort
Thuja plicata
In Spanish
Centella
Thuja plicata
In Greek
pennywort
Thuja plicata
In Portuguese
conchelo
Thuja plicata
In Polish
wąkrota
Żywotnik olbrzymi
In Latin
pennywort
Thuja plicata
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Pinophyta
Class
Magnoliopsida
Pinopsida
Order
Apiales
Pinales
Family
Apiaceae
Cupressaceae
Genus
Hydrocotyle
Thuja
Clade
Angiosperms, Asterids, Eudicots
-
Tribe
-
-
Subfamily
-
-
Number of Species
70015
1
27800
👆🏻