Repotting guide

When & how to repot Prickly Ice Plant (Delosperma echinatum)

Also called Pickle Plant, Prickly Ice Plant, Sea Pickle.

More about prickly ice plant

About Prickly Ice Plant

Delosperma echinatum · also called Pickle Plant, Prickly Ice Plant · houseplant

Prickly Ice Plant is a quirky South African succulent notable for its bumpy, spine-tipped green leaves that resemble tiny cucumbers or pickles. Small yellow-white flowers appear in spring. It grows well on sunny windowsills with minimal water. Not classified as toxic; considered pet-safe.

Mature size: 15-30 cm tall, spreading to 30 cm wide

Watch for — Root and stem rot: Overwatering is the chief threat. Ensure the pot has drainage holes and the soil dries fully between waterings.

How to tell prickly ice plant needs repotting

Repotting on a calendar is less reliable than reading the plant. For prickly ice 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 prickly ice plant

Every 2–3 years, into bone-dry mix. Prickly Ice Plant's growth habit — compact, branching succulent subshrub — sets the pace. Prickly Ice Plant is a quirky South African succulent notable for its bumpy, spine-tipped green leaves that resemble tiny cucumbers or pickles. Small yellow-white flowers appear in spring. It grows well on sunny windowsills with minimal water. Not classified as toxic; considered pet-safe.

What size pot to step prickly ice plant up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Prickly Ice 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 prickly ice plant

Spring or summer, while prickly ice 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 prickly ice plant

Repot dry. Do not water prickly ice 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 cactus or 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 prickly ice 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 prickly ice 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 prickly ice plant

Prickly Ice Plant wants gritty cactus or succulent mix. Use a commercial cactus compost blended with 40-50% perlite or coarse grit for rapid drainage. Good drainage is essential to prevent stem and root rot, to which this species is susceptible. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting prickly ice plant — frequently asked questions

How often should you repot prickly ice plant?

Every 2–3 years, into bone-dry mix for prickly ice plant. Repot prickly ice plant every 2–3 years into a snug pot of gritty cactus or 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 prickly ice plant need?

When is the best time of year to repot prickly ice plant?

Should you water prickly ice plant after repotting?

No — not straight away. Repot prickly ice 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 prickly ice plant after repotting?

Not immediately. Wait about 3 weeks after repotting prickly ice 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.