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Acanthus mollis Whitewater - Bear's Breech

Acanthus mollis Whitewater
Bear's Breeches

3,8/5
50 reviews
7 reviews
9 reviews
5 reviews
17 reviews

Small young plant but it has already given me two young leaves. Can't wait for the sunny days to come because the leaves are gorgeous, variegated.

Françoise , 06/02/2025

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This plant carries a 12 months recovery warranty

More information

Vigorous perennial with variegated glossy foliage and purplish-pink flower stalks carrying cream flowers with pink highlights.
Flower size
40 cm
Height at maturity
1.20 m
Spread at maturity
1 m
Exposure
Partial shade, Shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March to April, September to October
Recommended planting time February to April, September to November
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Flowering time June to August
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Description

The Acanthus 'Whitewater', a thornless hybrid Acanthus with variegated foliage, is a perennial that adds an architectural touch sought after in gardens. It grows quickly and offers a beautiful, abundant, and long-lasting flowering from June to August of tall upright flower spikes in purplish-pink colour, bear cream flowers with pink highlights. The floral corollas measure 5 cm (2in) in diameter.

 

The 'Whitewater' Acanthus has a spreading habit, with semi-evergreen and highly decorative foliage. It has large, ovate, and dentate leaves, varnished dark green with cream-white variegation, opposite and deeply lobed. The foliage of Acanthus mollis can be found in Corinthian-style decorations. At maturity, it can reach a height of 120 cm (47in) with a spread of 100 cm (39in). The species is native to the Mediterranean Basin and Asia Minor and is a robust plant that can tolerate temperatures as low as -15°C (5°F).

 

This plant thrives in woodland areas and perennial borders for its decorative foliage, similar to giant dahlias. It can also be grown as a standalone plant, providing volume and lightness against a dark backdrop of hedges or conifers. The flowers of Acanthus mollis can be used to create beautiful fresh or dried bouquets. The plant pairs well with wildflowers or soft foliage, creating a lovely contrast. It can be planted in areas where few plants thrive, such as under a pine tree or oak tree.

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Acanthus mollis Whitewater - Bear's Breech in pictures

Acanthus mollis Whitewater - Bear's Breech (Flowering) Flowering
Acanthus mollis Whitewater - Bear's Breech (Foliage) Foliage

Flowering

Flower colour white
Flowering time June to August
Inflorescence Spike
Flower size 40 cm
Good for cut flowers Cut flower blooms
Flowering description White and purple flowers, corolla 3-4cm (1-2in) long, bracts 4-5cm (2in) long, flower heads 40-60cm (16-24in) long.

Foliage

Foliage persistence Semi-evergreen
Foliage colour variegated with white
Foliage description Broadly lobed leaves with long petioles. Lamina: 20-50 cm (8-20in) in length, 5-15 cm (2-6in) in width.

Plant habit

Height at maturity 1.20 m
Spread at maturity 1 m
Growth rate normal

Botanical data

Genus

Acanthus

Species

mollis

Cultivar

Whitewater

Family

Acanthaceae

Other common names

Bear's Breeches

Origin

Mediterranean

Product reference801612

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Planting and care

The Acanthus mollis prefers partial shade and can tolerate full sun. Cultivate it in a sheltered spot, avoiding strong winds, in any soil as long as it is rich, deep, and well-drained. It can tolerate coastal conditions. Space the acanthus plants 60 cm (24in) apart. Easy to grow, provide liquid fertiliser once a month during the growing season and keep the soil moist in winter while applying a winter mulch in the first year of planting. Cultivate acanthus plants in a mixture of garden soil and compost under bright, filtered light in a greenhouse. Water moderately during the growing season. The plant does not like to be moved. After flowering, cut back the flower stalks. If you do not want it to self-seed. In spring, slugs and snails can invade Acanthus plants, especially on humid days. They are susceptible to powdery mildew.

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Planting period

Best planting time March to April, September to October
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Rockery, Shaded rockery, Woodland edge
Type of use Border, Back of border
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Beginner
Planting density 1 per m2
Exposure Partial shade, Shade
Soil pH Any
Soil type Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Moist soil, well-drained

Care

Pruning instructions At the end of the season, prune back the foliage if it is no longer decorative and remove the flower stalks whose flowers have faded before they can self-seed and become invasive. If necessary, limit the spread of the roots.
Pruning Pruning recommended once a year
Pruning time September to November
Disease resistance Very good
Overwinter Can be left in the ground
3,8/5

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