Euphorbia × martini ‘KMMM024’ – ‘Miner’s Merlot’ | Dark-Foliaged Wood Spurge

A distinctive Euphorbia with deep burgundy foliage

Euphorbia × martini ‘KMMM024’, better known as ‘Miner’s Merlot’, is a cultivated hybrid selected for its unusually dark burgundy to wine-red foliage and its contrasting greenish flowers. It belongs to the large and botanically diverse genus Euphorbia within the family Euphorbiaceae.

Unlike many of the succulent Euphorbias commonly grown as houseplants, Euphorbia × martini is a hardy garden perennial. ‘Miner’s Merlot’ is therefore particularly interesting for collectors who appreciate Euphorbias not only for their architectural forms, but also for their foliage and seasonal behaviour.

The plant forms an upright, bushy clump and develops its strongest colour when grown in a bright position. In spring, the dark foliage provides an especially effective background for the lighter yellow-green to chartreuse floral structures.

Botanical Background

Euphorbia × martini is a horticultural hybrid associated with the Euphorbia amygdaloides and Euphorbia characias group. ‘Miner’s Merlot’ was selected for its distinctive dark foliage and compact, upright habit.

As with other Euphorbias, what appear to be individual flowers are actually highly specialised cyathia grouped into an inflorescence called a cyathium. The coloured structures surrounding the true flowers are bracts rather than conventional petals.

This is one of the reasons Euphorbias are botanically fascinating: their flowers may look simple at first glance, but their reproductive structures are highly specialised.

Why ‘Miner’s Merlot’ stands out

• Deep burgundy to wine-coloured foliage
• Upright, naturally branching growth
• Contrasting yellow-green floral structures
• Particularly attractive in spring
• Suitable for containers as well as garden planting
• Hardy in suitable Central European locations
• Excellent structural plant for perennial borders
• Evergreen to semi-evergreen depending on winter conditions
• Attractive to gardeners and collectors looking beyond traditional green foliage
• A useful contrast plant alongside grasses, silver foliage and lighter-flowering perennials

Plant Characteristics

Botanical name: Euphorbia × martini ‘KMMM024’
Cultivar: ‘Miner’s Merlot’
Common name: ‘Miner’s Merlot’, Wood Spurge
Family: Euphorbiaceae
Plant type: Hardy perennial hybrid
Growth habit: Upright, bushy and clump-forming
Growth rate: Moderate
Approximate mature size: around 60–90 cm, depending on conditions
Foliage: Dark burgundy, wine-red to purple tones
Flowers: Small flowers enclosed within yellow-green to chartreuse cyathia and bracts
Main flowering period: Spring to early summer
Light: Full sun to partial shade
Outdoor cultivation: Yes
Winter hardiness: Hardy in suitable Central European gardens
Container cultivation: Yes, with adequate drainage
Special feature: Strong foliage colour combined with the characteristic Euphorbia floral structure

Collector Insight

What I particularly like about ‘Miner’s Merlot’ is that its attraction does not depend entirely on flowering. The dark foliage gives the plant a presence throughout much of the growing season, while the spring inflorescences introduce a completely different colour.

It is also a good reminder that the genus Euphorbia is much broader than the familiar succulent forms. A collector who knows the genus primarily through desert or semi-desert Euphorbias may initially be surprised to encounter a hardy perennial that belongs to the same botanical family.

As with other Euphorbias, the plant contains a milky latex sap that can be irritating to skin and particularly dangerous if it comes into contact with the eyes. Handle the plant with appropriate care, especially when pruning.

Cultivation

Light

A bright position is preferable. Full sun to light partial shade works well.

The stronger the available light, the more pronounced the dark foliage colour tends to be. In deep shade, the plant may become more open and less intensely coloured.

Water

Water regularly during the active growing season after planting, particularly while the plant is establishing.

Once established, ‘Miner’s Merlot’ is relatively tolerant of periods of dryness. The important point is to avoid permanently wet soil.

Soil

Use a well-drained soil. Heavy, permanently wet soil can cause root problems, particularly during winter.

In containers, I recommend a permeable substrate with sufficient mineral structure rather than a dense, moisture-retentive potting mix.

Fertiliser

There is no need to push this plant with excessive fertilisation.

A moderate nutrient supply is sufficient. Overfeeding can produce unnecessarily soft, vigorous growth and does not improve the characteristic foliage colour.

Repotting

Container-grown plants should only be repotted when the root system has genuinely occupied the available space.

A pot that is slightly too large and remains wet for a long time is more problematic than a somewhat restricted root system.

Pruning

Remove old flowering stems after flowering if a tidier appearance is desired. Always use gloves when cutting Euphorbia because of the irritating latex.

Winter

Unlike many succulent Euphorbias, Euphorbia × martini ‘Miner’s Merlot’ is suitable for outdoor cultivation in Central European climates.

Good drainage becomes particularly important during winter. Cold combined with saturated soil is considerably more damaging than cold alone.

Important: Euphorbia latex

All parts of the plant contain the characteristic milky latex associated with Euphorbia.

The sap can cause skin and eye irritation. Wash hands after handling and avoid touching your face or eyes while pruning or propagating the plant.

Keep the plant away from children and pets that may chew plant material.

Cultivated at TOMs FLOWer CLUB

At TOMs FLOWer CLUB, plants are cultivated with the principle quality before quantity.

Where appropriate, plants are grown slowly rather than pushed with excessive fertilisation. The objective is not to produce the largest possible plant in the shortest possible time, but to establish a healthy root system and naturally balanced growth.

Plants are cultivated in a permeable, self-mixed substrate adapted to their requirements, with particular attention to drainage and long-term root health.

What You Receive

You will receive the Euphorbia × martini ‘Miner’s Merlot’ plant in the displayed size.

The photographs show the plant and cultivation quality offered. As with all living plants, foliage colour, growth and flowering naturally change according to the season and growing conditions.

Who is this plant suitable for?

‘Miner’s Merlot’ is particularly suitable for:

• collectors of unusual Euphorbias
• gardeners looking for dark-leaved perennials
• sunny balconies and terraces
• perennial borders
• naturalistic planting schemes
• container cultivation
• gardeners who appreciate architectural foliage rather than flowers alone