Repotting guide

When & how to repot Dwarf Tongue Plant (Glottiphyllum depressum)

Also called Dwarf Tongue Plant, Tongue Plant, Tongue-leaved Plant.

More about dwarf tongue plant

About Dwarf Tongue Plant

Glottiphyllum depressum · also called Dwarf Tongue Plant, Tongue Plant · houseplant

Glottiphyllum depressum is a dwarf South African succulent from the Aizoaceae family with paired, tongue-shaped, bright green fleshy leaves held low to the ground. Cheerful yellow, daisy-like flowers up to 5 cm across appear mainly in spring. Easy to grow indoors in full sun with sharply drained soil and very restrained watering; prone to leaf swelling if overwatered.

Mature size: Up to 15 cm (6 in) tall; spreading 15–25 cm (6–10 in) wide

Watch for — Swollen, mushy leaves from overwatering: The leaves swell, become translucent, and eventually collapse when the plant receives too much water. Reduce watering frequency dramatically and ensure the pot drains freely.

How to tell dwarf tongue plant needs repotting

Repotting on a calendar is less reliable than reading the plant. For dwarf tongue plant, watch for these signs:

Roots growing out of the drainage holes, or the rootball lifting the plant proud of the rim.
Soil that has shrunk away from the pot sides and no longer holds water.
The pot is unstable because the plant has grown top-heavy.
Old, compacted, broken-down mix that stays wet too long — for a succulent that is a rot risk, so refresh it even if the pot size is fine.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot dwarf tongue plant

Every 2–3 years, into bone-dry mix. Dwarf Tongue Plant's growth habit — low, prostrate, clumping succulent forming small rosette-like clusters; slowly branches to form a spreading mat — sets the pace. Glottiphyllum depressum is a dwarf South African succulent from the Aizoaceae family with paired, tongue-shaped, bright green fleshy leaves held low to the ground. Cheerful yellow, daisy-like flowers up to 5 cm across appear mainly in spring. Easy to grow indoors in full sun with sharply drained soil and very restrained watering; prone to leaf swelling if overwatered.

What size pot to step dwarf tongue plant up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Dwarf Tongue Plant stores water and rots in a large pot of slow-drying soil. A tight terracotta pot that dries fast is far safer than a generous plastic one. Never up-pot a succulent by several sizes.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot dwarf tongue plant

Spring or summer, while dwarf tongue plant is in active growth and warm, is best — roots recover fastest then, and the plant is not sitting in cool damp soil. Avoid repotting a succulent in winter dormancy.

Step-by-step: repotting dwarf tongue plant

Repot dry. Do not water dwarf tongue plant for several days first. Working with dry roots and dry mix dramatically lowers the rot risk for a succulent.
Pick a snug, fast-draining pot. Choose terracotta one size up at most, with a drainage hole. Have gritty gritty, fast-draining cactus and succulent mix ready.
Tip it out and clean the roots. Slide the plant out, crumble off the old soil, and trim any black, mushy or dead roots with clean snips.
Pot into dry mix. Set dwarf tongue plant at its original depth in dry gritty mix, firming gently. Do not bury the stem deeper than it was.
Wait a week before watering. Leave it completely dry and out of harsh sun for about 7 days so any damaged roots callus. Only then water lightly.

Aftercare

Keep dwarf tongue plant completely dry and out of fierce sun for about a week so any nicked roots callus before they meet moisture; watering a freshly repotted succulent is the classic way to rot it. Then resume the normal lean, dry rhythm. Do not fertilise for about 3 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for dwarf tongue plant

Dwarf Tongue Plant wants gritty, fast-draining cactus and succulent mix. Use a cactus compost amended with 50% coarse sand, perlite, or pumice. The species grows naturally in rocky, mineral-poor, fast-draining soils. Avoid any peat-based or moisture-retaining composts. A terracotta pot with a drainage hole is strongly recommended. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting dwarf tongue plant — frequently asked questions

How often should you repot dwarf tongue plant?

Every 2–3 years, into bone-dry mix for dwarf tongue plant. Repot dwarf tongue plant every 2–3 years into a snug pot of gritty, fast-draining cactus and succulent mix, ideally in spring or summer. Let it sit in dry soil and do not water for about a week afterwards so any nicked roots can callus. Over-potting and watering straight away is what rots succulents.

What size pot does dwarf tongue plant need?

When is the best time of year to repot dwarf tongue plant?

Should you water dwarf tongue plant after repotting?

No — not straight away. Repot dwarf tongue plant into dry mix and wait about a week before the first watering so any damaged roots callus over. Watering a freshly repotted succulent is the single most common way to rot one.

Should you fertilise dwarf tongue plant after repotting?

Not immediately. Wait about 3 weeks after repotting dwarf tongue plant. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.