Life Span
Biennial
Perennial
Type
Tree
Tree
Origin
Central United States, Canada
Europe, Southern Asia, Southeastern Asia, India, China
Types
Two-petal ash, Single-leaf ash, Fragrant ash
cinnamomeum, zeylanicum, delavayi
Number of Varieties
655
0
40000
👆🏻
Habitat
Dry areas, Hills, limestone outcrops, Moist woods
Dappled Shade, Woodlands
USDA Hardiness Zone
4-87-9
0
99
👆🏻
AHS Heat Zone
8-4
9-6
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6
H1, 8, 9, 14, 15, 16, 17, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
2,500.00 cm910.00 cm
0
3900
👆🏻
Minimum Width
100.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Purple
White, Red, Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Brown, Chocolate
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Yellow, Light Yellow
Dark Green
Leaf Color in Winter
-
Dark Green
Shape
Leaf Shape
Pinnate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Average
Bloom Time
Spring
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Reduce water once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune after flowering, Prune if you want to improve plant shape, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
Doesn't require fertilization when grown in rich soil, Fertilize in early spring, fertilize in winter, Mulch
Pests and Diseases
Red blotch
Phytophthora, Thripes
Plant Tolerance
-
-
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Insect Repellent, Shadow Tree, Windbreak
Plant Benefits
Medicinal Uses
-
antimicrobial, Cancer, Dermatitis
Part of Plant Used
Inner Bark, Seeds
Flowers, Leaves
Other Uses
Used as a dye, Used for woodware, Wood is used in construction
Used as fuel, Used as insect repellent, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Feature Plant, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
FRAXINUS quadrangulata
RHODODENDRON arboreum
Common Name
Blue Ash
Chalan, Rose Tree, Tree Rhododendron
In Hindi
Blue Ash plant
लाल बुरांश
In German
Blue Ash Pflanze
Rhododendron arboreum
In French
usine Blue Ash
Rhododendron arboreum
In Spanish
planta de Blue Ash
arboreum rododendro
In Greek
φυτό Blue Ash
Rhododendron arboreum
In Portuguese
planta Blue Ash
arboreum Rhododendron
In Polish
Blue Ash roślin
różanecznik drzewiasty
In Latin
Blue Ash herba
Prunus arborea
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Ericales
Family
Oleaceae
Ericaceae
Genus
Fraxinus
Rhododendron
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Oleeae
-
Subfamily
-
-
Number of Species
651000
1
27800
👆🏻