Repotting guide

When & how to repot Purple Fingers (Cheiridopsis purpurea)

Also called Purple Fingers, Purple Cheiridopsis.

More about purple fingers

About Purple Fingers

Cheiridopsis purpurea · also called Purple Fingers, Purple Cheiridopsis · houseplant

Cheiridopsis purpurea is a dwarf South African mesemb succulent with distinctive fused, finger-like leaf pairs that take on purple-grey tones in strong sun. It produces vivid purple-pink daisy-like flowers in late winter and follows a winter-active, summer-dormant cycle. Best suited to a hot, bright windowsill with very infrequent summer water.

Mature size: 4–7 cm tall; clumps to 10–12 cm across over multiple seasons

Watch for — Root rot from summer watering: Watering a dormant plant is the most common mistake. Roots are minimal and easily rotted when soil remains moist during hot summer months. Mark the pot with a reminder tag to avoid accidental watering between June and August.

How to tell purple fingers needs repotting

Repotting on a calendar is less reliable than reading the plant. For purple fingers, 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 purple fingers

Every 2–3 years, into bone-dry mix. Purple Fingers's growth habit — compact, clumping dwarf succulent; produces pairs of grey-purple, finger-like fused leaves. old leaf pairs slowly sheathe and protect the new developing pair beneath. — sets the pace. Cheiridopsis purpurea is a dwarf South African mesemb succulent with distinctive fused, finger-like leaf pairs that take on purple-grey tones in strong sun. It produces vivid purple-pink daisy-like flowers in late winter and follows a winter-active, summer-dormant cycle. Best suited to a hot, bright windowsill with very infrequent summer water.

What size pot to step purple fingers up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Purple Fingers 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 purple fingers

Spring or summer, while purple fingers 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 purple fingers

Repot dry. Do not water purple fingers 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 very gritty, low-nutrient cactus compost 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 purple fingers 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 purple fingers 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 purple fingers

Purple Fingers wants very gritty, low-nutrient cactus compost. A 50:50 blend of cactus compost and coarse horticultural grit or perlite ensures rapid drainage. Avoid peat-heavy or water-retentive mixes. Shallow, wide terra-cotta pots with drainage holes replicate the shallow, rocky soils of the Namaqualand habitat. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting purple fingers — frequently asked questions

How often should you repot purple fingers?

Every 2–3 years, into bone-dry mix for purple fingers. Repot purple fingers every 2–3 years into a snug pot of very gritty, low-nutrient cactus compost, 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 purple fingers need?

When is the best time of year to repot purple fingers?

Should you water purple fingers after repotting?

No — not straight away. Repot purple fingers 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 purple fingers after repotting?

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