Life Span
Perennial
Perennial
Type
Tree
Flowering Plants, Shrubs
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Africa, America, Asia
Types
-
Lockinch, Petite Indigo, White Profusion
Number of Varieties
30100
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Along Railroads, River side, Roadsides
USDA Hardiness Zone
4-75-10
0
99
👆🏻
AHS Heat Zone
7-1
9-2
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
H1, 2a, 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
Arching/Fountain-shaped
Plant Size
Minimum Height
1,370.00 cm7.50 cm
0
3900
👆🏻
Minimum Width
610.00 cm4.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Blue, Pink, Purple, Red, White
Flower Color Modifier
Bicolor
-
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Gray Green
Leaf Color in Summer
Dark Green
Gray Green, Light Green
Leaf Color in Fall
Dark Green
Gray Green, Light Green, Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Egg-shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Fall, Spring, Summer, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Part sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Loamy, Sandy, Well drained
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Slightly Acidic, Slightly Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought, Pollution, Salt, Soil Compaction
Where to Plant?
Ground
Ground, Pot
How to Plant?
Layering, Seedlings
Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Form a Soil ring to water efficiently, Water Deeply, Water twice a day in the initial period
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral, Slightly Acidic, Slightly Alkaline
Soil Type
Loam, Sand
Loamy, Sandy, Well drained
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Part sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Prune for shortening long shoots, Prune if you want to improve plant shape, Prune ocassionally, Remove damaged leaves, Remove dead or diseased plant parts, Remove deadheads, Remove shoots
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Downy mildew, Leaf spot, Spider mites
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
✔
✘
✔
✘
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Butterflies, Hummingbirds
Allergy
-
Vomiting
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
-
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers, Leaves
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Edging, Feature Plant, Foundation
Botanical Name
ALNUS rubra
Buddleia davidii
Common Name
Oregon Alder, Red Alder
Butterfly Bush, Summer Lilac, Butterflybush
In Hindi
red alder
Butterfly Bush
In German
rot-Erle
Schmetterlingsstrauch
In French
aulne rouge
buisson de papillon
In Spanish
aliso rojo
arbusto de las mariposas
In Greek
κόκκινη σκλήθρα
Butterfly Μπους
In Portuguese
amieiro vermelho
arbusto de borboleta
In Polish
czerwony olcha
Butterfly Bush
In Latin
red alnus
papilio rubo
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Spermatophyta
Class
Magnoliopsida
Dicotyledonae
Order
Fagales
Lamiales
Family
Betulaceae
Scrophulariaceae
Genus
Alnus
Buddleja
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
35100
1
27800
👆🏻