Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
North America, Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States, South-Central United States, Canada
China
Types
-
Rhododendron
Number of Varieties
2020
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Well Drained
USDA Hardiness Zone
3-115-7
0
99
👆🏻
AHS Heat Zone
10-1
-
Sunset Zone
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Upright/Erect
Cushion/Mound-forming
Plant Size
Minimum Height
1,830.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
8.50 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Tan, Sandy Brown
Purple, Lavender, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Sandy Brown
-
Leaf Color in Spring
Green
Blue Green
Leaf Color in Summer
Green, Dark Green
Blue Green
Leaf Color in Fall
Yellow, Green
Blue Green
Leaf Color in Winter
-
Blue Green
Shape
Leaf Shape
oblong or obovate
Elliptic and Ovate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Pot
How to Plant?
Seedlings
Rooted stem cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs
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, 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 branches, Remove dead leaves
Fertilizers
Any balanced general purpose fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Blackspot mold
-
Plant Tolerance
Drought
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
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Beetles, Birds
Birds
Allergy
Miscarriage, Rash
-
Uses
Aesthetic Uses
-
Beautification, Showy Purposes
Beauty Benefits
Beautiful Skin, Heals Damaged Hair, Strong, beautiful hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Demulcent, Diuretic, Expectorant, Nutritive
-
Part of Plant Used
Fruits, Inner Bark, Leaves
Flowers, Leaves
Other Uses
Chewed as a thirst quencher, Tea-like beverage can be brewed, Used as a thickener in soups, Used to make a twine
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees
Alpine, Container, Edging, Groundcover, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Botanical Name
ULMUS rubra
RHODODENDRON impeditum
Common Name
Slippery Elm
Dwarf Rhododendron, Dwarf Purple Rhododendron
In Hindi
Slippery Elm
Dwarf Rhododendron
In German
Rotulme
Dwarf Rhododendron
In French
Slippery Elm
Dwarf Rhododendron
In Spanish
olmo resbaladizo
Dwarf Rhododendron
In Greek
Slippery Elm
Dwarf Rhododendron
In Portuguese
Slippery Elm
Dwarf Rhododendron
In Polish
Slippery Elm
Dwarf Rhododendron
In Latin
Lubricus Elm
Dwarf Rhododendron
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Urticales
Ericales
Family
Ulmaceae
Ericaceae
Genus
Ulmus
Rhododendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Rhodoreae
Subfamily
-
Ericoideae
Number of Species
2040
1
27800
👆🏻