Repotting guide

When & how to repot Pinguicula laueana (Pinguicula laueana)

Also called Laue's Butterwort, Red-flowered Butterwort.

More about pinguicula laueana

About Pinguicula laueana

Pinguicula laueana · also called Laue's Butterwort, Red-flowered Butterwort · houseplant

Pinguicula laueana is a prized Mexican butterwort grown as much for its rare scarlet-to-magenta flowers as for the sticky carnivorous rosette that traps gnats. A high-altitude Oaxacan species, it likes bright light, pure water and a mineral mix, shifting to tight succulent winter leaves. Slightly more demanding than P. agnata but stunning in bloom.

Mature size: Rosette 6-12 cm across; flower scapes to 12-18 cm tall.

Watch for — Crown rot in winter: The compact winter rosette is prone to rot if overwatered. Cut watering sharply and increase airflow once the leaves tighten and lose their mucilage.

How to tell pinguicula laueana needs repotting

Repotting on a calendar is less reliable than reading the plant. For pinguicula laueana, 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 pinguicula laueana

Every 2–3 years, into bone-dry mix. Pinguicula laueana's growth habit — stemless rosette of flat, sticky succulent leaves that shifts seasonally between a larger summer carnivorous rosette and a compact winter succulent rosette; tall scapes carry single, vivid red to magenta flowers. — sets the pace. Pinguicula laueana is a prized Mexican butterwort grown as much for its rare scarlet-to-magenta flowers as for the sticky carnivorous rosette that traps gnats. A high-altitude Oaxacan species, it likes bright light, pure water and a mineral mix, shifting to tight succulent winter leaves. Slightly more demanding than P. agnata but stunning in bloom.

What size pot to step pinguicula laueana up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Pinguicula laueana 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 pinguicula laueana

Spring or summer, while pinguicula laueana 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 pinguicula laueana

Repot dry. Do not water pinguicula laueana 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 mineral-rich carnivorous 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 pinguicula laueana 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 pinguicula laueana 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 pinguicula laueana

Pinguicula laueana wants mineral-rich carnivorous mix. A gritty 1:1:1 of pumice or perlite, sand and a little peat or coir, or a predominantly mineral blend with lava rock. As a montane Mexican butterwort it prefers airy, well-drained, near-neutral media over acidic peat-heavy bog mixes. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting pinguicula laueana — frequently asked questions

How often should you repot pinguicula laueana?

Every 2–3 years, into bone-dry mix for pinguicula laueana. Repot pinguicula laueana every 2–3 years into a snug pot of mineral-rich carnivorous 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 pinguicula laueana need?

When is the best time of year to repot pinguicula laueana?

Should you water pinguicula laueana after repotting?

No — not straight away. Repot pinguicula laueana 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 pinguicula laueana after repotting?

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