Repotting guide

When & how to repot Kalanchoe Marmorata (Kalanchoe marmorata)

Also called penwiper plant, spotted kalanchoe, marble leaf kalanchoe.

More about kalanchoe marmorata

About Kalanchoe Marmorata

Kalanchoe marmorata · also called penwiper plant, spotted kalanchoe · houseplant

Kalanchoe marmorata, the penwiper plant, is an East African succulent grown for large, paddle-shaped grey-green leaves blotched with purple-brown markings like ink stains. Mature plants raise tall stems of white tubular flowers. It needs sharp drainage and moderate watering, and like all Kalanchoe it is toxic to pets due to cardiac glycosides.

Mature size: Reaches about 30-60 cm (12-24 in) tall; leaves grow 5-10 cm long.

Watch for — Root and stem-base rot from overwatering: Soggy or slow-draining soil rots the fleshy stem base and roots, leaving leaves soft and yellow. Use a gritty mix, water at the base, and let the surface dry before the next drink.

How to tell kalanchoe marmorata needs repotting

Repotting on a calendar is less reliable than reading the plant. For kalanchoe marmorata, 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 kalanchoe marmorata

Every 2–3 years, into bone-dry mix. Kalanchoe Marmorata's growth habit — an upright, eventually shrubby succulent with large, paddle-shaped grey-green leaves dusted with a powdery bloom and boldly blotched in purple-brown, the markings giving it the 'penwiper' name. stems lengthen and can become bare and leggy at the base with age. tall stalks of white, tubular four-petalled flowers appear in late winter to spring. — sets the pace. Kalanchoe marmorata, the penwiper plant, is an East African succulent grown for large, paddle-shaped grey-green leaves blotched with purple-brown markings like ink stains. Mature plants raise tall stems of white tubular flowers. It needs sharp drainage and moderate watering, and like all Kalanchoe it is toxic to pets due to cardiac glycosides.

What size pot to step kalanchoe marmorata up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Kalanchoe Marmorata 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 kalanchoe marmorata

Spring or summer, while kalanchoe marmorata 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 kalanchoe marmorata

Repot dry. Do not water kalanchoe marmorata 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 free-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 kalanchoe marmorata 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 kalanchoe marmorata 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 kalanchoe marmorata

Kalanchoe Marmorata wants free-draining cactus or succulent mix. Use a gritty, fast-draining medium: bagged cactus and succulent compost loosened with perlite, pumice or coarse sand, roughly one part grit to two parts compost. It holds a little moisture but drains quickly, which is essential as the fleshy roots and stem base rot in wet soil. Always plant in a pot with drainage holes. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting kalanchoe marmorata — frequently asked questions

How often should you repot kalanchoe marmorata?

Every 2–3 years, into bone-dry mix for kalanchoe marmorata. Repot kalanchoe marmorata every 2–3 years into a snug pot of free-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 kalanchoe marmorata need?

When is the best time of year to repot kalanchoe marmorata?

Should you water kalanchoe marmorata after repotting?

No — not straight away. Repot kalanchoe marmorata 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 kalanchoe marmorata after repotting?

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