Botanical profile

Rhododendron 'PJM'

Latin name
Rhododendron 'PJM'
Common name
Rhododendron 'PJM'
Type
Shrub
Family
Ericaceae

The Rhododendron 'P.J.M.', called 'P.J.M.' rhododendron, is a very popular evergreen ornamental shrub known for its early blooming and remarkable cold hardiness. This classic hybrid forms a dense, rounded bush that fits perfectly into flowerbeds, foundation plantings, and woodland gardens. In early spring, often before the trees fully leaf out, it is covered in an abundance of bright rosy-lavender flowers grouped in elegant small inflorescences. Its dark green, slightly glossy evergreen foliage often turns a purplish-bronze color during autumn and winter, offering additional decorative interest year-round. This variety is known for its relative sun tolerance compared to many other rhododendrons, while preferring acidic soils rich in organic matter and well-drained.

Care guide

Growing conditions

Light, soil, water and hardiness

Hardiness zone
Zone 4
Exposure
Sun to partial shade
Watering
Moderate, keep soil cool and acidic
Fertilization
Fertilizer for acid-loving plants in spring
Soil type
Acid, organically rich, well-drained soil
Minimum temperature
-34°C
Plant appearance

Blooming, foliage and shape

Blooming period
Spring
Flower color
Lavender
Fruiting
Dry, unornamental capsules
Foliage color
Green
Foliage type
Persistent
Shape
Dense, rounded shrub
Garden structure

Size and growth

Height
4.9 ft (1.5 m)
Width
6 ft (1.8 m)
Growth rate
Moderate
Not recommended for pets
Not recommended for pets

Pets

Butterflies
Plants that attract butterflies

Butterflies

Hummingbirds
Flowers that attract hummingbirds

Hummingbirds

The availability of our plants varies depending on arrivals, seasons, nursery production and supplier availability. Some varieties may be offered for a limited time only, depending on their natural cycle or current stock. These plant profiles are designed to guide and inspire you when choosing plants for the garden, landscaping projects, containers or long-lasting outdoor arrangements.