Repotting guide

When & how to repot Trailing Iceplant (Lampranthus spectabilis)

Also called Trailing Iceplant, Trailing Ice Plant, Showy Lampranthus.

More about trailing iceplant

About Trailing Iceplant

Lampranthus spectabilis · also called Trailing Iceplant, Trailing Ice Plant · flowering

A vigorous, trailing South African succulent groundcover producing a spectacular late-spring to early-summer display of magenta, purple, pink, or red daisy-like flowers. Thrives in full sun and sharply drained, poor soil. Widely grown as a groundcover on coastal banks and rockeries. Frost-tender; overwinter under glass in cold climates.

Mature size: 15–30 cm tall; spreading 60–90 cm wide

Watch for — Root rot: The primary threat, caused by waterlogged or poorly draining soil. Leaves become soft and mushy, and stems blacken at the base. Ensure sharply drained growing media and avoid overhead irrigation that pools around the crown.

How to tell trailing iceplant needs repotting

Repotting on a calendar is less reliable than reading the plant. For trailing iceplant, 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 trailing iceplant

Every 2–3 years, into bone-dry mix. Trailing Iceplant's growth habit — trailing, mat-forming subshrub — sets the pace. A vigorous, trailing South African succulent groundcover producing a spectacular late-spring to early-summer display of magenta, purple, pink, or red daisy-like flowers. Thrives in full sun and sharply drained, poor soil. Widely grown as a groundcover on coastal banks and rockeries. Frost-tender; overwinter under glass in cold climates.

What size pot to step trailing iceplant up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Trailing Iceplant 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 trailing iceplant

Spring or summer, while trailing iceplant 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 trailing iceplant

Repot dry. Do not water trailing iceplant 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 poor, sharply drained sandy or gritty soil 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 trailing iceplant 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 trailing iceplant 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 trailing iceplant

Trailing Iceplant wants poor, sharply drained sandy or gritty soil. Thrives in poor, lean soils with excellent drainage, pH 6.5–7.5. A mix of coarse sand, perlite, or pumice with a small amount of compost is ideal. Avoid moisture-retentive or clay-heavy soils entirely. Good drainage is the single most important factor for long-term survival. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting trailing iceplant — frequently asked questions

How often should you repot trailing iceplant?

Every 2–3 years, into bone-dry mix for trailing iceplant. Repot trailing iceplant every 2–3 years into a snug pot of poor, sharply drained sandy or gritty soil, 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 trailing iceplant need?

When is the best time of year to repot trailing iceplant?

Should you water trailing iceplant after repotting?

No — not straight away. Repot trailing iceplant 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 trailing iceplant after repotting?

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