Life Span
Perennial
Annual or Biennial
Type
Tree
Flowering Plants
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Northeastern United States, North-Central United States, Canada
Types
-
-
Number of Varieties
308
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Dry areas, Rocky areas
USDA Hardiness Zone
4-72-7
0
99
👆🏻
AHS Heat Zone
7-1
7 - 1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
21,22
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,370.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
610.00 cm20.30 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Yellow, Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Blue Green
Leaf Color in Summer
Dark Green
Blue Green
Leaf Color in Fall
Dark Green
Blue Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Early Summer, Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Do Not over Water, Keep ground moist, Never Over-water, Requires regular watering
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
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well 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 leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
fertilize in early summer, fertilize in growing season, fertilize in spring
Pests and Diseases
-
Insects
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
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Butterflies, Insects
Allergy
-
Corydalis
Uses
Aesthetic Uses
-
Beautification, Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification, Food for insects
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Sedative
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
ALNUS rubra
CORYDALIS sempervirens
Common Name
Oregon Alder, Red Alder
Colic Weed, Pale Fumewort, Pale Corydalis
In Hindi
red alder
Capnoides
In German
rot-Erle
Capnoides
In French
aulne rouge
capnoides
In Spanish
aliso rojo
Capnoides
In Greek
κόκκινη σκλήθρα
Capnoides
In Portuguese
amieiro vermelho
Capnoides
In Polish
czerwony olcha
Capnoides
In Latin
red alnus
capnoides
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Basidiomycota
Class
Magnoliopsida
Agaricomycetes
Order
Fagales
Agaricales
Family
Betulaceae
Fumariaceae
Genus
Alnus
Hypholoma
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots
Tribe
-
Fumarieae
Subfamily
-
Fumarioideae
Number of Species
351
1
27800
👆🏻