Colocasia esculenta ‘Coal Miner’
- Nikki Smit
- Nov 9
- 3 min read
Colocasia esculenta ‘Coal Miner’ – The Striking Charcoal Jewel of the Garden
If you love plants that make a statement, Colocasia esculenta ‘Coal Miner’ will stop you in your tracks. With its rich, smoky foliage and bold tropical presence, this variety turns any space—indoors or outdoors—into a lush, moody paradise. Whether you’re a collector of rare aroids or simply want something dramatic to anchor your garden design, the ‘Coal Miner’ has all the flair you’re looking for.
A Look That Commands Attention
Colocasia ‘Coal Miner’ stands out for its velvety charcoal-green leaves that almost look black in certain light. Each large, heart-shaped leaf catches the light beautifully, revealing subtle shades of green and grey that give it incredible depth. The leaves rise elegantly from thick stems, creating a full, sculptural look.
As part of the taro family, this Colocasia shares that signature tropical feel—broad leaves that sway gently with the breeze, evoking lush rainforests and serene ponds. It’s the kind of plant that instantly adds luxury and texture, no matter where you place it.
How to Care for Your Coal Miner
This variety loves moisture, warmth, and humidity. Think of how it would grow in the wild: along riverbanks, in tropical rainforests, or in damp soil near water. If you can recreate those conditions, your Coal Miner will thrive.
Light:
It prefers bright, indirect light if grown indoors, or partial shade outdoors. Avoid harsh, full sun—especially during peak hours—as it can scorch the velvety leaves.
Watering:
Colocasia ‘Coal Miner’ is a thirsty plant. Keep the soil consistently moist but not soggy. It can even tolerate boggy soil or shallow standing water outdoors, making it an excellent choice for pond edges or water garden borders.
Humidity:
Higher humidity will make the foliage look its best. If kept indoors, occasional misting or placing it near a humidifier will keep those gorgeous leaves lush and healthy.
Feeding:
During the growing season (spring and summer), feed monthly with a balanced liquid fertilizer to support vigorous growth.
Dormancy:
In cooler climates, the Coal Miner may go dormant in winter. If you’re growing it outdoors and expect frost, lift the tubers and store them in a cool, dry place until spring.
Indoors or Outdoors – It Shines Either Way
One of the best things about Colocasia ‘Coal Miner’ is its versatility. It can grow beautifully indoors as a dramatic statement plant, or outdoors in garden beds, large containers, or beside water features.
Outdoors, it creates a lush tropical vibe and pairs well with lighter-colored plants for contrast—think lime-green hostas, ferns, or ornamental grasses. Indoors, it brings bold personality to a bright corner or open space with indirect light.
Pet and Reptile Safety
While stunning, it’s important to note that Colocasia esculenta ‘Coal Miner’ is not pet-safe or reptile-safe. Like many members of the Araceae family, its leaves and stems contain calcium oxalate crystals, which can cause irritation or swelling if chewed or ingested. Keep it out of reach of cats, dogs, and reptiles, and wash your hands after handling the plant or pruning its foliage.
A Plant for Drama and Depth
Whether you grow it in a pot in your living room, use it to fill a shady corner of your garden, or let it thrive by a water feature, Colocasia esculenta ‘Coal Miner’ brings instant drama and elegance. Its bold, velvety foliage contrasts beautifully with lighter greens and flowering plants, making it an eye-catching centerpiece anywhere you put it.
If you’re looking for a tropical plant that commands attention and rewards your care with incredible texture and form, the ‘Coal Miner’ is a true gem worth adding to your collection.


Comments