Gasteria Bicolor plant

Gasteria Bicolor

Gasteria bicolor (syn. Gasteria obliqua)

Updated Apr 28, 2026

Gasteria Bicolor—also called Lawyer’s Tongue or Ox-Tongue—is a compact shade-tolerant succulent with glossy mottled leaves, growing best in bright indirect light, a well-draining mix, and low watering.

About Gasteria Bicolor

Gasteria Bicolor is a compact, shade-tolerant succulent with thick tongue-like leaves marked by pale speckles and soft striping. Depending on the form and growing conditions, the leaves may sit in a neat rosette or a more two-ranked, fan-like arrangement, but the overall effect stays compact, glossy, and textured.

Over time, Gasteria Bicolor slowly forms offsets from the base and develops into a fuller clustered mound. In brighter exposure, the leaf tips can take on warmer tones, which adds extra depth without needing flowers to make the plant attractive.

Although flowering is not its main feature, Gasteria Bicolor can produce a slender stalk with tubular pink-to-orange blooms that rise above the foliage. Even without flowers, it remains decorative because of its polished leaf surface and steady, collected look.

How to Care for Gasteria Bicolor

Watering

Keep watering low. Let most of the pot dry out between waterings, then water thoroughly and allow all excess to drain away.

Gasteria Bicolor is much more likely to decline from staying wet than from being watered a little late. Constant moisture can lead to root trouble and softer, more stressed leaves.

During brighter and warmer periods, Gasteria Bicolor may dry faster and accept slightly more frequent watering, but only after a clear dry-down. In winter or in lower light, extend the interval and keep it drier overall.

Sunlight

Provide bright, indirect light or light shade. Gasteria Bicolor tolerates lower light better than many succulents, though growth becomes slower and the plant may look less compact and colorful.

Avoid intense hot midday sun, especially through glass, because it can stress or scorch the leaves. Gentle morning or later-day sun is a safer option if direct light is given.

Temperature

Aim for 64–77°F (18–25°C) for the best growth. Gasteria Bicolor can handle cooler conditions better than some more tender succulents, but it still needs protection from frost and from prolonged cold.

If temperatures drop, especially when the soil might stay damp longer, reduce watering accordingly.

Humidity

Gasteria Bicolor prefers low humidity and normal household air. It does not need misting.

Higher humidity mainly becomes a problem when it slows drying and keeps the potting mix wet too long. For Gasteria Bicolor, airflow and drainage matter more than extra moisture in the air.

Soil

Use well-draining soil with an airy structure. Gasteria Bicolor grows best when water moves through quickly and the roots sit in a loose medium rather than a dense wet mass.

A succulent-style mix with added materials that improve drainage and air pockets works well. A pot with drainage holes is essential, and a slightly snug pot is usually safer than an oversized one that holds moisture too long.

Pests & Problems

The most common problem is rot from slow-drying soil or overly frequent watering. If leaves begin to soften or the base feels unstable, treat it first as a drainage and watering issue.

Mealybugs and scale can also appear in sheltered leaf bases, so it helps to check the plant from time to time, especially if growth slows or residue becomes visible.