Warm mahogany
Reddish-brown and purple shades give rounded leaves depth, with variations according to their age and the light.
Heuchera 'Boysenberry' 12cm
Normal price
€10,00
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The legal guarantee concerns the plant’s conformity at delivery. It is not a guarantee of survival or growth for two years. Each issue is assessed taking into account the nature of the plant, its care and the conditions in which it is kept. Your statutory rights remain unaffected.
Heuchera ‘Boysenberry’
Hides in the shade… but steals the show 🎭
- Rich mahogany foliage
- Gently ruffled edges
- Low leafy mound
- White summer flowers
Heuchera ‘Boysenberry’ lays out a soft mosaic of mahogany and ripe berry shades, as though its foliage had caught the warmest light of an autumn afternoon. Rounded leaves ripple gently at the edges and overlap one another, letting small pockets of shadow deepen their colour. Above this velvety surface, fine flowering stems and tiny white flowers introduce an airy counterpoint without disturbing the plant’s quiet, richly textured presence.
This is a plant that gives a composition depth without raising its voice. Beside silver leaves, soft gold and natural stone, the mahogany looks richer and the ruffled edges take on an almost fabric-like texture. A small repeated group along a path can draw the garden’s separate brushstrokes together into a warm, considered picture.
What makes it special
Deep colour, a soft outline and delicate white flowers rising above low foliage.
Gentle ripples
The lobed leaves lift and ripple at their edges, creating overlapping layers rather than a flat sheet of colour.
Airy white flowers
Fine flowering stems rise above the foliage, usually from June to August, depending on the climate.
Why you will love it: it brings the warmth of a dark textile to a border and lets neighbouring pale foliage shine.
In the garden & on the balconyPlacement & plant combinationsA warm low layer · bright partial shade · silver and gold companions
Mahogany in front
Place it in front of taller perennials, beside a partially shaded path or in a pot that does not overheat in the afternoon. For a small group, allow approximately 40–45cm between plant centres so the leaves can meet without crowding their bases.
Silver and gold lines
In cool, humus-rich soil that drains freely, combine rounded mahogany foliage with fine lines and lighter surfaces.
- Carex oshimensis ‘Evergold’ — narrow green leaves with a golden-yellow central stripe lighting up the dark mound.
- Brunnera macrophylla ‘Jack Frost’ — silver heart-shaped leaves and blue spring flowers in a shared partially shaded position.
- Dryopteris erythrosora — finely divided fern fronds with coppery young growth echoing the warm shades.
Care at a glance
Light
Bright partial shade or gentle morning sun. In hot summers, avoid scorching afternoon exposure.
Watering
Water as the surface begins to dry, keeping a little moisture deeper down. Excess water must drain freely.
Climate & hardiness
Cold hardy at RHS H6 (−20 to −15°C). This rating applies to established plants in the ground, not unprotected small pots.
Safety
An ornamental plant, not food. Keep it away from pets that chew foliage and do not encourage consumption.
Detailed careComplete care guideSeven practical points: Light and exposure, Even moisture, Soil and planting, Gentle feeding, Tidying the foliage, Winter and renewal, Growing space.
Light and exposure
Choose open partial shade with morning light. Deep shade can make the mound look looser, while heat combined with strong afternoon sun may damage leaf edges.
Even moisture
Check the soil before watering rather than following the calendar alone. Water at the base until moisture reaches deeper roots and empty the saucer. Pots need more frequent checks during a heatwave.
Soil and planting
Use humus-rich, moderately fertile soil with good drainage. Keep the crown, where the leaf stalks originate, level with the surface rather than burying it under heavy soil or thick mulch.
Gentle feeding
A thin spring dressing of well-rotted compost is usually sufficient in a border. In a pot, use a light perennial feed according to its label, avoiding excessive nitrogen or application to completely dry growing medium.
Tidying the foliage
Remove damaged outer leaves in spring, cutting their stalks near the base without injuring new growth. After flowering, cut away the spent flower stems.
Winter and renewal
Much of the foliage remains in mild winters, while severe cold can damage more leaves. In spring, check whether frost has lifted the crown and carefully restore it to the correct level.
Growing space
Allow about 20–30cm in foliage height and 35–40cm in spread, with flower stems reaching approximately 40–50cm. The mound fills out gradually during its early years, according to site and cultivation.
Development over timeFrom rosette to mahogany moundLeaf renewal, delicate summer flowering and the slower rhythm of the cold season.
Spring unfurling
New lobed leaves unfold from the basal rosettes and gradually cover older outer foliage.
Foliage and white flowers
The low mahogany mound fills out, while fine flower sprays add a second, much airier layer above it.
Winter slowdown
Growth slows. Retained leaves preserve the basic shape, although a severe winter may leave the plant looking thinner until spring.
Mature habit & dimensions
established moundFoliage 20–30cmSpread 35–40cmFlowers to 40–50cm
Mature foliage stays low, approximately 20–30cm high and 35–40cm wide. Rounded lobes and gently ruffled edges are held on stalks rising from the base; during flowering, the fine flower sprays reach approximately 40–50cm.
Form through time
two real statesSpring leaf renewalWhite summer flowers
Fresh foliageBasal rosettes renew themselves as the leaf lobes unfold.
Airy floweringWhite flowers form a fine layer above the mahogany foliage.
The drawings distinguish the leafy base from the added flower stems. The intensity of mahogany and the number of leaves vary naturally through the year.
What to expect after planting: Roots establish first, followed by an increase in basal rosettes. Leaves and flowers sit at different heights: the slender flower stems do not turn this low mound into a tall shrub.
History & originCultivar originJelle van den Haak · Netherlands · crossed in 2010 and selected in 2011
In April 2010, at Heerhugowaard in the Netherlands, breeder Jelle van den Haak crossed one of his unnamed proprietary Heuchera selections as the seed parent with Heuchera ‘Crimson Curls’ as the pollen parent. This controlled cross produced a new generation of seedlings, from which the future ‘Boysenberry’ would emerge.
Selection followed in July 2011, also at Heerhugowaard. One plant stood out for its combination of reddish-brown to mahogany foliage, ruffled leaf surface and compact habit. That individual seedling became the starting point of the cultivar named ‘Boysenberry’, which joined the Indian Summer collection.
In March 2013, asexual propagation of the selected plant began through tissue culture at Andijk. Repeated propagation showed that its distinctive characteristics remained consistent in subsequent generations of plants. On 24 October 2017, US plant patent USPP28575 was granted.
Greenleaf for Plant NerdsScience nobody asked forBotanical details for anyone curious about what lies behind the plant’s appearance
Lobes within one leaf
Each leaf usually has five, occasionally seven lobes joined in a single blade. Fine hairs cover its surfaces and are more prominent beside the veins underneath.
The little white bell
Flowers have five narrow white petals within a calyx joined at its base. Slender flowering stems hold them outward or slightly downward above the basal rosettes.
Frequently asked questions
Six useful answers about Boysenberry’s colour, flowering and seasonal behaviour.
01Does the mahogany colour always stay the same?
Not exactly. Leaf age, light and temperature alter the intensity of reddish-brown and purple shades without changing the cultivar’s identity.
02When do the white flowers appear?
Usually from June to August, with timing shifting according to the climate. Fine flower sprays stand above the low leafy mound.
03Does it lose all its leaves in winter?
It is semi-evergreen. Much of the foliage remains in mild winters, while prolonged cold can cause greater leaf loss before spring renewal.
04Can it grow in a pot?
Yes, in a freely draining pot with room for a mound about 35–40cm wide. Avoid persistent root overheating and water left standing in a saucer.
05Should I remove the flower stems?
You can leave them while they are flowering. Once dry, cut them near the base without damaging leaves or new rosettes.
06Why do leaves wilt when the soil is wet?
Do not automatically add more water. Check drainage, the crown and root condition: wet soil does not always mean that the roots are functioning well.
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Individual protection
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We use reinforced cardboard designed to protect against impacts and vibration during transport.