Repotting guide

When & how to repot Adromischus Hemisphaericus (Adromischus hemisphaericus)

Also called hemisphere adromischus, half-moon adromischus.

More about adromischus hemisphaericus

About Adromischus Hemisphaericus

Adromischus hemisphaericus · also called hemisphere adromischus, half-moon adromischus · houseplant

Adromischus hemisphaericus is a small South African succulent grown for its plump, rounded, dome-shaped leaves clustered on short stems. A slow, undemanding collector's plant, it stays compact and tolerates neglect better than overwatering. It wants bright light, very gritty soil and a dry winter rest. Its ASPCA status is unconfirmed, so keep it away from pets.

Mature size: Compact, usually 8-15 cm tall and wide; clumps slowly with age.

Watch for — Root rot: Soft, translucent leaves and a mushy base indicate overwatering; let the soil dry fully and ensure a very gritty, free-draining mix.

How to tell adromischus hemisphaericus needs repotting

Repotting on a calendar is less reliable than reading the plant. For adromischus hemisphaericus, 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 adromischus hemisphaericus

Every 2–3 years, into bone-dry mix. Adromischus Hemisphaericus's growth habit — slow-growing, clump-forming dwarf succulent with short stems carrying rosettes of rounded leaves. — sets the pace. Adromischus hemisphaericus is a small South African succulent grown for its plump, rounded, dome-shaped leaves clustered on short stems. A slow, undemanding collector's plant, it stays compact and tolerates neglect better than overwatering. It wants bright light, very gritty soil and a dry winter rest. Its ASPCA status is unconfirmed, so keep it away from pets.

What size pot to step adromischus hemisphaericus up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Adromischus Hemisphaericus 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 adromischus hemisphaericus

Spring or summer, while adromischus hemisphaericus 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 adromischus hemisphaericus

Repot dry. Do not water adromischus hemisphaericus 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, fast-draining mineral 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 adromischus hemisphaericus 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 adromischus hemisphaericus 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 adromischus hemisphaericus

Adromischus Hemisphaericus wants very gritty, fast-draining mineral mix. Use a cactus compost cut heavily with pumice, grit or perlite (50% or more mineral). Sharp drainage is essential, as roots rot quickly in moisture-retentive soil. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting adromischus hemisphaericus — frequently asked questions

How often should you repot adromischus hemisphaericus?

Every 2–3 years, into bone-dry mix for adromischus hemisphaericus. Repot adromischus hemisphaericus every 2–3 years into a snug pot of very gritty, fast-draining mineral 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 adromischus hemisphaericus need?

When is the best time of year to repot adromischus hemisphaericus?

Should you water adromischus hemisphaericus after repotting?

No — not straight away. Repot adromischus hemisphaericus 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 adromischus hemisphaericus after repotting?

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