Trees and shrubs

Rhododendron 'PJM'

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Hardiness Zone 4

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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.

Rhododendron 'PJM'

Soil and care

The rightconditions.

Fertilization Fertilizer for acid-loving plants in spring

Bloom and dimensions

The completeprofile.

Bloom periodSpring
Flower colorLavender
Foliage colorGreen
Foliage typePersistent
FruitingDry, unornamental capsules
Maximum height4.9 ft (1.5 m)
Maximum width6 ft (1.8 m)
Growth rateModerate
Hardiness zoneZone 4
Minimum temperature-34°C

Its strengths, naturally.

Not recommended for pets
Not recommended for pets

Pets

Butterflies
Plants that attract butterflies

Butterflies

Hummingbirds
Flowers that attract hummingbirds

Hummingbirds