Repotting guide

When & how to repot Twisted Aichryson (Aichryson tortuosum)

Also called Twisted Aichryson, Twisted House Leek.

More about twisted aichryson

About Twisted Aichryson

Aichryson tortuosum · also called Twisted Aichryson, Twisted House Leek · houseplant

Aichryson tortuosum is a charming small succulent shrublet from the Canary Islands with distinctively twisted, hairy stems and spoon-shaped fleshy leaves. It produces cheerful yellow star-shaped flowers in spring. Easy to grow on a bright windowsill, it needs excellent drainage and a cool winter rest to perform well as a compact, long-lived houseplant.

Mature size: 15–25 cm tall; 15–20 cm spread; slow-growing over several years

Watch for — Leggy, weak growth: Plants stretch significantly in low light, losing their compact twisted form. Move to a brighter spot and prune back leggy stems in spring — cuttings root easily.

How to tell twisted aichryson needs repotting

Repotting on a calendar is less reliable than reading the plant. For twisted aichryson, 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 twisted aichryson

Every 2–3 years, into bone-dry mix. Twisted Aichryson's growth habit — small succulent shrublet with branching twisted stems — sets the pace. Aichryson tortuosum is a charming small succulent shrublet from the Canary Islands with distinctively twisted, hairy stems and spoon-shaped fleshy leaves. It produces cheerful yellow star-shaped flowers in spring. Easy to grow on a bright windowsill, it needs excellent drainage and a cool winter rest to perform well as a compact, long-lived houseplant.

What size pot to step twisted aichryson up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Twisted Aichryson 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 twisted aichryson

Spring or summer, while twisted aichryson 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 twisted aichryson

Repot dry. Do not water twisted aichryson 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 well-draining 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 twisted aichryson 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 twisted aichryson 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 twisted aichryson

Twisted Aichryson wants well-draining cactus or succulent mix. Use cactus compost mixed with 30–40% perlite or coarse grit. A small terracotta pot promotes healthy drying cycles. Repot every 2–3 years or when the plant becomes top-heavy. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting twisted aichryson — frequently asked questions

How often should you repot twisted aichryson?

Every 2–3 years, into bone-dry mix for twisted aichryson. Repot twisted aichryson every 2–3 years into a snug pot of well-draining 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 twisted aichryson need?

When is the best time of year to repot twisted aichryson?

Should you water twisted aichryson after repotting?

No — not straight away. Repot twisted aichryson 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 twisted aichryson after repotting?

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