Colocasia ‘Black Magic’ – The Dark Beauty of the Tropics
- Nikki Smit
- Oct 17
- 4 min read

If there’s one plant that instantly adds mystery and drama to a collection, it’s the Colocasia ‘Black Magic’. With its large, velvety deep purple-black leaves that almost look painted, this plant is a striking contrast against any greenery. The way its color shifts from smoky plum to near-black depending on the light makes it a living piece of art — moody, bold, and utterly captivating.
Where It Comes From
Colocasia ‘Black Magic’ is a cultivar of Colocasia esculenta, a tropical species native to Southeast Asia and India, where it grows along riverbanks, wetlands, and rain-soaked forest floors.
In its natural environment, the soil is constantly damp and the air is warm and humid — conditions that hint at how it likes to be treated in our homes and gardens.
What Makes ‘Black Magic’ Special
Unlike most green-leaved Colocasias, ‘Black Magic’ develops rich, dark foliage as it matures. Young leaves often start with a greenish tone, deepening to that signature velvety black as the plant settles into the right light and moisture levels.
Its stems are also dark, which enhances the monochrome effect. When grown outdoors, it stands tall and lush — a real statement piece near water features or in large pots. Indoors, it adds an exotic, moody touch to bright corners or conservatories.
Is It Pet and Reptile Safe?
Like its cousin Colocasia ‘White Lava’, ‘Black Magic’ is not safe for pets or humans to ingest. The plant contains calcium oxalate crystals that can cause irritation and swelling if chewed.
However, it’s safe for reptile enclosures, especially for species that don’t eat vegetation. Many keepers use it to create natural, shaded areas and to help maintain humidity. Just avoid letting leaves rest directly on heat lamps or bulbs, as they can scorch easily.
Indoor or Outdoor Plant?
Colocasia ‘Black Magic’ thrives both indoors and outdoors, provided you meet its basic needs: moisture, warmth, and filtered light.
Outdoors: Ideal for shaded gardens, tropical-themed areas, or beside ponds and water features. It loves humidity and damp soil.
Indoors: Works beautifully as a potted plant near a bright window with indirect light. It brings that bold tropical look into your home but does best with consistent moisture and humidity.
If your indoor air is dry, place a water tray or humidifier nearby — it makes a noticeable difference in leaf quality.
Sunlight Requirements
This variety prefers bright indirect light to partial shade. Outdoors, a bit of morning sun helps bring out the deep purple coloration, but harsh midday or afternoon sun can fade or scorch the leaves.
Indoors, aim for bright filtered light — too little light can make the plant lose its dark tone and revert to greenish leaves.
Watering & Moisture
Colocasias are moisture-loving by nature, and ‘Black Magic’ is no exception. You can grow it in one of two main ways depending on your setup:
As a semi-aquatic plant:
Perfect near ponds or in pots placed in shallow water. The roots can sit in constantly wet soil, but make sure the plant’s crown stays above water to prevent rot.
As a houseplant:
Keep the soil consistently moist. Don’t let it dry out between waterings — if the top few centimeters of soil start to dry, it’s time to water again. In drier homes, a tray filled with pebbles and water beneath the pot helps boost humidity and gives the roots a gentle moisture reserve.
💧 Tip: If you see droopy leaves, it’s usually a sign it needs more water or humidity. Once watered, it often perks up within hours.
Repotting
‘Black Magic’ grows from a corm — a bulb-like structure that multiplies over time. Each season, you might notice new pups forming around the main plant. You can separate these when repotting to grow more plants or leave them attached for a fuller look.
Repot every one to two years, ideally in spring, using a rich, moisture-retaining soil. A good mix includes:
Cocopeat or peat moss for moisture retention
Compost or worm castings for nutrients
A small amount of perlite or aquatic soil for aeration
Always choose a pot with drainage holes, even if you keep it moist — this prevents stagnant water buildup around the corm.
Can It Handle Full Sun or Dry Soil?
Not really. ‘Black Magic’ prefers a cool, moist root zone and filtered light. Direct, strong sunlight will burn the leaves, and dry soil can quickly lead to wilting.
Think of it as a plant that wants to “keep its feet wet but its head shaded.”
Fertilising
Feed every 2–3 weeks during the growing season (spring and summer) with a diluted liquid fertiliser rich in nitrogen for lush leaf growth. In winter, growth slows down and feeding can be paused.
Final Thoughts
Colocasia ‘Black Magic’ is the ultimate plant for anyone wanting a touch of gothic tropical flair. Its dark, velvety leaves command attention whether grown beside a pond, on a shaded patio, or in a bright indoor space.
Keep it moist, warm, and shaded, and it’ll reward you with that signature, almost magical black foliage. Whether you’re building a dramatic plant display or designing a lush reptile enclosure, this plant brings the perfect balance of elegance and wild beauty.


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