£5.87 – £8.23Price range: £5.87 through £8.23
Physocarpus opulifolius ‘Red Baron’, or Ninebark, dazzles with deep crimson leaves and pinkish-white summer flowers. This hardy, versatile shrub adds bold, year-round colour and unique peeling bark to UK gardens, attracting pollinators.
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Discover the captivating Physocarpus opulifolius ‘Red Baron’, a striking Ninebark shrub offering dramatic deep crimson foliage and year-round visual interest.
This superb deciduous shrub is a favourite for many UK gardeners. Its rich, dark leaves provide a powerful contrast in mixed borders. As seasons change, its appearance subtly transforms, ensuring ongoing appeal. You will appreciate its ease of cultivation, making it a wonderful choice for both novice and experienced gardeners. The common name, Ninebark, refers to its distinctive peeling bark.
Physocarpus opulifolius ‘Red Baron’ is a distinguished cultivar of the native North American Ninebark. This particular variety stands out for its exceptionally dark foliage. The botanical name, Physocarpus, comes from Greek words meaning ‘bladder fruit’, referring to its inflated seed capsules. Meanwhile, ‘opulifolius’ means ‘leaves like a Viburnum opulus’, describing the leaf shape. ‘Red Baron’ truly earns its name, displaying rich, wine-red leaves that hold their colour well, even during hot summers.
The journey begins in spring when the dark red leaves emerge, creating an instant focal point. These deeply lobed leaves maintain their intense colour, hence they offer a strong backdrop for other plants. In early summer, typically around June and July, the shrub produces abundant clusters of small, star-shaped flowers. These delicate blooms are usually a soft pinkish-white hue, forming a beautiful contrast against the dark foliage. Later, they develop into attractive, reddish fruit capsules. Furthermore, as winter approaches, the older bark peels away in papery layers, revealing various shades of brown and orange beneath. This unique characteristic gives the plant its common name, Ninebark, and provides valuable texture in the dormant season.
This adaptable shrub thrives in many garden settings across the UK. You can use Physocarpus opulifolius ‘Red Baron’ effectively as a specimen plant, drawing the eye with its bold colour. Additionally, it performs wonderfully within mixed borders, providing depth and contrast to green or variegated foliage. Consider planting it as an informal hedge, offering both beauty and a degree of screening. Its robust nature means it tolerates urban conditions well. Moreover, the flowers are a magnet for bees and other vital pollinators, thus supporting local wildlife. Birds also appreciate the developing seed capsules later in the year.
Physocarpus opulifolius ‘Red Baron’ is generally low maintenance, yet it benefits from occasional pruning. We advise pruning after it has flowered, perhaps in late summer. This practice helps maintain a tidy shape and encourages vigorous new growth. Removing older, less productive stems also improves air circulation and plant health. Its resilience makes it an ideal addition to most gardens, ensuring vibrant colour and structural interest throughout the year.
Hardy in the harshest UK conditions and below. Suitable for mountain regions.
Physocarpus opulifolius 'Red Baron' is generally a low-maintenance shrub. It benefits from pruning after flowering in late summer to maintain its shape and encourage healthy, vigorous new growth. Ensure the plant receives adequate moisture, especially during dry periods.
This plant is deciduous so it will lose all of its leaves in the autumn and get fresh new foliage each spring.


