Life Span
Perennial
Annual and Perennial
Type
Tree
Aquatics
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
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
Types
-
Virginia
Number of Varieties
305
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Wet lands
USDA Hardiness Zone
4-74-10
0
99
👆🏻
AHS Heat Zone
7-1
10-5
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
21,22
Habit
Pyramidal
Spreading
Plant Size
Minimum Height
1,370.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
610.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
White, Light Green
Flower Color Modifier
Bicolor
-
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Green, Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Dark Green
Dark Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Poorly Drained
Bloom Time
Early Spring
Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Wet Site
Where to Plant?
Ground
In Water
How to Plant?
Layering, Seedlings
Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Requires consistently moist soil
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
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Poorly Drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial 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, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Maritime exposure, Salt water
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
Medium
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
-
Allergy
-
-
Uses
Aesthetic Uses
-
Showy Purposes, Water gardening
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Anxiety, Sedative
Part of Plant Used
Flowers, Inner Bark, Sap
Leaves
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Bog Garden, Groundcover, Water Gardens
Botanical Name
ALNUS rubra
HYDROCOTYLE umbellata
Common Name
Oregon Alder, Red Alder
Manyflower Marsh Pennywort, Pennywort
In Hindi
red alder
pennywort
In German
rot-Erle
Wassernabel
In French
aulne rouge
pennywort
In Spanish
aliso rojo
Centella
In Greek
κόκκινη σκλήθρα
pennywort
In Portuguese
amieiro vermelho
conchelo
In Polish
czerwony olcha
wąkrota
In Latin
red alnus
pennywort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Apiales
Family
Betulaceae
Apiaceae
Genus
Alnus
Hydrocotyle
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
35700
1
27800
👆🏻