Repotting guide

When & how to repot Kalanchoe Fedtschenkoi (Kalanchoe fedtschenkoi)

Also called lavender scallops, blue grey kalanchoe, South American air plant.

More about kalanchoe fedtschenkoi

About Kalanchoe Fedtschenkoi

Kalanchoe fedtschenkoi · also called lavender scallops, blue grey kalanchoe · houseplant

A trailing Madagascan succulent with blue-grey, scallop-edged leaves that flush pink to lavender in bright light and cool weather. Stems sprawl and root where they touch soil, and tiny plantlets sometimes form along the leaf notches. Easy and fast for a Kalanchoe, but, like the whole genus, toxic to cats and dogs.

Mature size: Stems reach 30-60 cm long, trailing or sprawling; clumps spread readily where stems touch soil.

How to tell kalanchoe fedtschenkoi needs repotting

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

Every 2–3 years, into bone-dry mix. Kalanchoe Fedtschenkoi's growth habit — spreading, semi-trailing succulent with upright young stems that flop and root along the ground, forming a loose mat or cascading from a pot. — sets the pace. A trailing Madagascan succulent with blue-grey, scallop-edged leaves that flush pink to lavender in bright light and cool weather. Stems sprawl and root where they touch soil, and tiny plantlets sometimes form along the leaf notches. Easy and fast for a Kalanchoe, but, like the whole genus, toxic to cats and dogs.

What size pot to step kalanchoe fedtschenkoi up to

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

Spring or summer, while kalanchoe fedtschenkoi 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 fedtschenkoi

Repot dry. Do not water kalanchoe fedtschenkoi 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 and 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 fedtschenkoi 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 fedtschenkoi 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 fedtschenkoi

Kalanchoe Fedtschenkoi wants well-draining cactus and succulent mix. A standard cactus mix with added perlite or grit suits it. Good drainage matters, though it tolerates slightly richer soil than most Kalanchoe. 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 fedtschenkoi — frequently asked questions

How often should you repot kalanchoe fedtschenkoi?

Every 2–3 years, into bone-dry mix for kalanchoe fedtschenkoi. Repot kalanchoe fedtschenkoi every 2–3 years into a snug pot of well-draining cactus and 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 fedtschenkoi need?

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

Should you water kalanchoe fedtschenkoi after repotting?

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

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