How to Grow Flowering Kalanchoe
By: Julie Day
Flowering kalanchoes are staples of the holiday and florist trade, with their cheery clusters of blooms on compact, upright plants sure to brighten your windowsill. Like poinsettias and holiday cactus, kalanchoes bloom in response to the length of daylight, so they can be encouraged to bloom even during the darkest days of winter.
If you received a flowering kalanchoe as a gift this year, or if you couldn’t resist the bright midwinter color, here are some tips for keeping your plant healthy and blooming for years to come.
Everyone pronounces it differently (and nobody knows exactly who’s right), but we’ve all seen the colorful, happy flower clusters of Kalanchoe blossfeldana, or flowering Kalanchoe. A cousin to the Jade plant, flowering Kalanchoe is a fairly low-maintenance succulent house plant.
Flower heads on kalanchoe blossom in bright oranges, pinks, yellow, red, and white on a compact, upright plant about 6-12 inches tall. The flowers last several months, and the green plants are pretty year-round.
K. blossfeldana is the most common variety of kalanchoe, but there are many varieties to choose from, including pendant (hanging) varieties and nonflowering varieties grown for their unique foliage. All kalanchoes have the same growing requirements.
Kalanchoe Growing Tips
Kalanchoes are pretty low-maintenance plants, thriving in the low humidity of winter households. Choose Kalanchoe plants that have plenty of unopened flower buds, rather than ones in full bloom, and be sure to give them:
How to Make Kalanchoe Bloom
Many people treat kalanchoes as an annual, throwing them away after they finish blooming. Getting them to bloom again requires some discipline, but the fun part is that once you get the hang of it, you can make your kalanchoes bloom on cue! Here are some tips for getting your kalanchoe to bloom again:
- Simulate Night: For six weeks, put your plant in complete darkness for 14 hours a day, and in bright light for 10 hours a day. You can bring it in and out of a closet, or use a cover, to achieve full darkness. After six weeks or so, when you see flower buds forming, you can bring your plant back out into normal light conditions and resume watering. For more tips about photoperiodic blooming, check out our articles on how to grow poinsettias and holiday cactus.
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