Repotting guide

When & how to repot Rhinephyllum broomii (Rhinephyllum broomii)

Also called Broom's rhinephyllum.

More about rhinephyllum broomii

About Rhinephyllum broomii

Rhinephyllum broomii · also called Broom's rhinephyllum · houseplant

Rhinephyllum broomii is a low, mat-forming dwarf mesemb from the arid Karoo of South Africa, with short, rough, warty-textured grey-green leaves that give the genus its 'nose-leaf' character. It produces small yellowish daisy-like flowers and forms compact cushions. A true desert succulent, it needs sharp drainage, strong light and a dry resting period.

Mature size: Roughly 3-6 cm tall and forming low mats 8-15 cm across with age.

Watch for — Root and crown rot: The plant is extremely sensitive to excess moisture, especially when cool. Use a very gritty mix, water only when bone dry, and keep nearly dry during dormancy to prevent rot.

How to tell rhinephyllum broomii needs repotting

Repotting on a calendar is less reliable than reading the plant. For rhinephyllum broomii, 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 rhinephyllum broomii

Every 2–3 years, into bone-dry mix. Rhinephyllum broomii's growth habit — slow-growing, low cushion- or mat-forming dwarf succulent with short, rough-surfaced leaves; clumps gradually over years. — sets the pace. Rhinephyllum broomii is a low, mat-forming dwarf mesemb from the arid Karoo of South Africa, with short, rough, warty-textured grey-green leaves that give the genus its 'nose-leaf' character. It produces small yellowish daisy-like flowers and forms compact cushions. A true desert succulent, it needs sharp drainage, strong light and a dry resting period.

What size pot to step rhinephyllum broomii up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Rhinephyllum broomii 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 rhinephyllum broomii

Spring or summer, while rhinephyllum broomii 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 rhinephyllum broomii

Repot dry. Do not water rhinephyllum broomii 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 mineral 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 rhinephyllum broomii 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 rhinephyllum broomii 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 rhinephyllum broomii

Rhinephyllum broomii wants very gritty mineral succulent mix. Use about 60-70% mineral grit (pumice, lava, coarse sand, gravel) to 30-40% loam. Excellent drainage is essential; a shallow-to-medium terracotta pot helps the rootball dry quickly between waterings. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting rhinephyllum broomii — frequently asked questions

How often should you repot rhinephyllum broomii?

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

When is the best time of year to repot rhinephyllum broomii?

Should you water rhinephyllum broomii after repotting?

No — not straight away. Repot rhinephyllum broomii 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 rhinephyllum broomii after repotting?

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