A mix designed for cacti and succulents is often a good choice.

Water

Like other snake plants, whale fin snake plant is relatively drought tolerant.

Water this plant only when the soil has completely dried out.

Dracaena sansevieria masoniana

Ольга Симонова / Getty Images

Overly wet, soggy soil can cause root rot and kill the plant.

Use a balanced liquid houseplant fertilizer diluted to half strength to avoid overfertilizing.

Use clean, sharp scissors or pruners to cut them off at the base of the plant.

Closeup of whale fin snake plant

The Spruce / Jacob Fox

This is best done in spring when the plant is in active growth.

Propagating Whale Fin Snake Plant

Whale fin snake plant iseasy to propagateusing leaf cuttings or by division.

You’ll have the best chance of success during the spring and summer.

Closeup of whale fin snake plant leaves

The Spruce / Jacob Fox

Here are two ways to propagate whale fin snake plant.

You’ll also need sterilized pruners, small plant pots, fresh potting mix, and water.

It’s best to repot in springtime.

Use a pot that’s one or two inches larger in diameter than the previous pot.

Terracotta is ideal for whale fin snake plants since it wicks away excess moisture.

However, indoor plants rarely receive sufficient light and humidity to flower.

Leaves Turning Yellow

Yellowing leaves are the first sign that your plant is getting too much water.

Stop watering and allow the soil to dry out completely before watering again.

Consider repotting your plant with a fast-draining cactus mix.

Cut back any yellowed leaves.

Move your plant further from the light source so that it only receives indirect light.

Dark brown spots could be a sign of advanced root rot due to overly wet soil.

Affected leaves should be removed at the base of the plant.

Yes, whale fin snake plants can benefit from being slightly rootbound.

Yes, whale fin snake plants are toxic to cats, dogs,and humans.

Mother In Law’s Tongue, Snake Plant.University of Kansas Health System.