Repotting guide

When & how to repot Maughan's Cone Plant (Conophytum maughanii)

Also called Maughan's Cone Plant, Maughan Conophytum.

More about maughan's cone plant

About Maughan's Cone Plant

Conophytum maughanii · also called Maughan's Cone Plant, Maughan Conophytum · houseplant

Conophytum maughanii is a rare South African mesemb prized by collectors for its small, elegantly patterned rounded bodies that form tight clusters. It produces delicate flowers in autumn. Among the more specialist Conophytum, it demands meticulous watering discipline, extremely gritty soil, and plentiful direct sun to complete its annual dormancy-and-growth cycle successfully.

Mature size: Individual heads 1–2 cm in diameter; clusters slowly build to 8–12 cm across over many growing seasons

Watch for — Summer dormancy rot: This is the principal cause of death. Any moisture on or around the roots during summer dormancy can cause rapid rot under the protective sheath. Store in a dry, bright location with zero watering from approximately May to August. If rot is found on unpotting, remove cleanly, dust with sulfur, and dry for several days before replanting.

How to tell maughan's cone plant needs repotting

Repotting on a calendar is less reliable than reading the plant. For maughan's cone 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 maughan's cone plant

Every 2–3 years, into bone-dry mix. Maughan's Cone Plant's growth habit — compact clump-forming stemless succulent with small, rounded to slightly flattened paired bodies — sets the pace. Conophytum maughanii is a rare South African mesemb prized by collectors for its small, elegantly patterned rounded bodies that form tight clusters. It produces delicate flowers in autumn. Among the more specialist Conophytum, it demands meticulous watering discipline, extremely gritty soil, and plentiful direct sun to complete its annual dormancy-and-growth cycle successfully.

What size pot to step maughan's cone plant up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Maughan's Cone 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 maughan's cone plant

Spring or summer, while maughan's cone 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 maughan's cone plant

Repot dry. Do not water maughan's cone 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 extremely gritty 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 maughan's cone 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 maughan's cone 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 maughan's cone plant

Maughan's Cone Plant wants extremely gritty mineral mix. 80% inorganic grit (pumice, coarse perlite, or horticultural sharp sand) and 20% lean cactus compost. Shallow terracotta pans suit the compact root system and maximise moisture evaporation. pH 6.0–7.5. Avoid any mix with added fertiliser or water-retention additives. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting maughan's cone plant — frequently asked questions

How often should you repot maughan's cone plant?

Every 2–3 years, into bone-dry mix for maughan's cone plant. Repot maughan's cone plant every 2–3 years into a snug pot of extremely gritty 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 maughan's cone plant need?

When is the best time of year to repot maughan's cone plant?

Should you water maughan's cone plant after repotting?

No — not straight away. Repot maughan's cone 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 maughan's cone plant after repotting?

Not immediately. Wait about 3 weeks after repotting maughan's cone 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.