Plant Profile: Rhododendron impeditum

Names

Dwarf Purple Rhododendron, Dwarf Rhododendron, Impeditum Rhododendron

  • Photo of Rhododendron impeditum (Rhododendron impeditums)

Phonetic Spelling:roh-do-DEN-dron im-ped-EYE-tum

Genus:Rhododendron

Species:impeditum

Family:Ericaceae

The Dwarf Purple Rhododendron is a compact, slow-growing evergreen shrub that produces stunning purple blooms in the spring, enveloping the plant in vibrant color. Its small, leathery gray-green leaves add visual appeal throughout the year. This shrub thrives in full sun to partial shade and prefers well-drained, acidic soils rich in organic matter.

For optimal display, it is best to plant these shrubs in small clusters at the front of borders or within rock and woodland gardens, spacing them about 15 inches apart to create a lush groundcover as they mature. Additionally, this plant is a popular choice for bonsai enthusiasts and is known for its resistance to deer damage.

For further details on Rhododendron, please refer to additional resources.

Rhododendron impeditum Feature Summary

Rhododendron impeditum Image Gallery

Tags

#showy flowers
#purple flowers
#slow growing
#fragrant leaves
#bonsai
#spring flowers
#dwarf
#year-round interest
#edging
#rock gardens
#borders
#leathery leaves
#border front
#small group plantings
#compact habit
#problem for cats
#problem for dogs
#problem for horses
#tiny leaves
#woodlands

Similar Plants

Rhododendron impeditum Feature Summary

Flowers
1" blue-purple flowers completely cover the shrub in the spring
Purple/Lavender
Blue
1-3 inches
Leaves
Fragrant, simple leathery gray-green leaves withe entire margins.
Green
Gray/Silver
< 1 inch
< 1 inch
Whole Plant Traits
Shrub
Ground Cover
Mounding
Dense
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Acid (<6.0)
Good Drainage
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
High Organic Matter
Landscape
Rock Garden
Border
Small groups
Problem for Cats
Problem for Dogs
Problem for Horses

Rhododendron impeditum Attributes

Rhododendron impeditum: Country Or Region Of Origin

China

Rhododendron impeditum: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Rhododendron impeditum Flowers

Rhododendron impeditum: Flower Description

1" blue-purple flowers completely cover the shrub in the spring

Rhododendron impeditum: Flower Color

filter_vintage
Blue
filter_vintage
Purple/Lavender

Rhododendron impeditum: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Rhododendron impeditum: Flower Bloom Time

Winter
Spring
Summer
Fall

Rhododendron impeditum: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Rhododendron impeditum Leaves

Rhododendron impeditum: Leaf Description

Fragrant, simple leathery gray-green leaves withe entire margins.

Rhododendron impeditum: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Rhododendron impeditum: Leaf Color

spa
Gray/Silver
spa
Green

Rhododendron impeditum: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Rhododendron impeditum: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Rhododendron impeditum: Hairs Present

No
Yes

Rhododendron impeditum: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Rhododendron impeditum: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Rhododendron impeditum: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Rhododendron impeditum Whole Plant Traits

Rhododendron impeditum: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Rhododendron impeditum: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Rhododendron impeditum: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Rhododendron impeditum: Growth Rate

Slow
Medium
Rapid

Rhododendron impeditum Cultural Conditions

Rhododendron impeditum: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Rhododendron impeditum: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Rhododendron impeditum: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Rhododendron impeditum: USDA Plant Hardiness Zone

thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b

Rhododendron impeditum: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Rhododendron impeditum Stem

Rhododendron impeditum: Stem Is Aromatic

No
Yes

Rhododendron impeditum Landscape

Rhododendron impeditum: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Rhododendron impeditum: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Rhododendron impeditum: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Rhododendron impeditum: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Rhododendron impeditum: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy