Trees and shrubs

Physocarpus 'Red Baron'

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Hardiness Zone 3

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Family Rosaceae

Physocarpus opulifolius 'Red Baron', also known as the ‘Red Baron’ Ninebark, is a highly esteemed deciduous ornamental shrub celebrated for its intense purplish-red foliage and exceptional hardiness in the garden. This variety forms a dense, rounded bush that is perfectly suited for informal hedges, shrub borders, and structured flowerbeds. In spring, young leaves emerge in bright red tones, which then deepen to a rich purple throughout the season. This vibrant foliage creates a striking contrast with the rosy-white flowers that appear in early summer in small, rounded corymbs, attracting pollinators. After flowering, small decorative reddish fruits extend the plant’s visual appeal. Very hardy and easy to cultivate, this Ninebark tolerates ordinary soils, moderate drought, and urban conditions well.

Physocarpus opulifolius 'Red Baron'

Soil and care

The right conditions.

Hardiness zone Zone 3
Minimum temperature -40°C
Fertilization
Light fertilization in spring if necessary

Bloom and dimensions

The complete profile.

Flower color White
Foliage color Red
Foliage type Obsolete
Growth rate Fast
Bloom period
Summer
Fruiting
Decorative reddish berries in clusters
Maximum height 2 m (6 ft)
Maximum width 6 ft (1.8 m)

Its strengths, naturally.

Pet friendly
Safe for pets

Pets

Pollinators
Attracts or supports pollinating insects

Pollinators

Butterflies
Plants that attract butterflies

Butterflies

Deer
Less attractive or generally tolerated by deer

Deer