What is a paddle plant?
The paddle plant (Kalanchoe luciae), also sold as “flapjack” or red pancake plant, is a South African succulent in the stonecrop family. It forms a low, stacked rosette of large, flat leaves that are green at the base and flush brilliantly red or orange-pink at the margins when grown in full sun. Mature plants can reach 12–18 inches tall, and after a few years they send up a tall, candle-like flower spike before producing offsets and dying back — a dramatic monocarpic finale that leaves behind a cluster of pups to carry on.
How much light does a paddle plant need?
Paddle plant wants as much sun as you can give it indoors. The red pigmentation that makes this plant so striking is produced by anthocyanins, and anthocyanins only develop under strong, direct light. A south- or west-facing windowsill where it gets several hours of direct sun per day is the sweet spot. In lower light the leaves stay flat green, growth stretches thin and floppy, and the whole architectural effect is lost. If your windows are weak, a grow light at close range works well.
How often should you water a paddle plant?
Every 2–3 weeks in the growing season, far less in winter. The thick leaves store a significant reserve of water, and the plant is native to semi-arid cliffs in South Africa — it expects long dry spells. The golden rule is to let the potting mix dry out completely before watering again, then water deeply so excess runs freely from the drainage holes. The single most common cause of death indoors is a well-meaning owner watering on a weekly schedule: the base rots silently while the leaves look fine, until they don’t.
What soil and pot does a paddle plant need?
Use a gritty, fast-draining cactus or succulent mix — regular potting compost holds too much moisture. Adding extra perlite (about 50/50) improves drainage further. Choose a terracotta pot if possible: unglazed clay wicks moisture away from the roots and dries out faster than plastic. A snug pot is fine; paddle plants don’t need a lot of root room and a pot that is too large retains excess moisture.
How do you propagate a paddle plant?
Paddle plants propagate from leaf or stem cuttings. For a leaf cutting, gently twist a healthy outer leaf free as close to the stem as possible, let the cut end callous in a dry spot for one to two days, then place it on top of dry cactus mix. Mist lightly every few days. A tiny rosette and roots form at the base within 4–8 weeks. Stem cuttings — a few inches long, calloused and then pushed into gritty mix — root even faster. Mature plants also produce offsets (pups) at the base; once they are a few inches across, these can be separated and potted up.
Is a paddle plant toxic to pets?
Yes — the ASPCA lists all Kalanchoe species as toxic to cats and dogs. Compounds in the leaves can cause vomiting, diarrhea, and, in large ingested quantities, cardiac effects. Keep paddle plants on high shelves or in rooms that curious pets cannot access.