The Kalanchoe, commonly sold as a flowering houseplant, is a succulent known for its vibrant, long-lasting clusters of blossoms. While these plants are frequently treated as temporary, their robust, fleshy foliage allows them to thrive for years with proper care. Once the initial display of flowers fades, the plant enters a vegetative growth phase. This transition requires immediate pruning followed by a shift in routine maintenance to prepare it for a successful reblooming cycle.
Immediate Post-Bloom Pruning
The first step after the Kalanchoe’s flowers have completely faded is deadheading—the physical removal of the spent flower parts. Removing these withered blossoms prevents the plant from expending energy on producing seeds. This action redirects the plant’s resources into developing new foliage and a stronger root system.
After deadheading, attention should turn to the entire spent flower stalk. Cut the entire stalk back to the first set of healthy, full-sized leaves, or to a lateral leaf joint below the spent bloom. Use a clean, sharp pair of small scissors or pruners to make a precise cut and prevent the introduction of pathogens.
Pruning the flower stems back to a lower leaf node encourages the development of new side shoots. This leads to a bushier, more compact plant structure. If left unpruned, the Kalanchoe can become “leggy,” with long, bare stems that detract from its appearance.
Adjusting Routine Care
Once pruning is complete, the Kalanchoe’s care requirements shift to support leaf growth and recovery. Move the plant to a location that provides bright, indirect light for at least six hours daily. While Kalanchoe can tolerate some direct morning sun, intense afternoon sun can scorch the succulent leaves.
The watering schedule must be significantly reduced immediately after flowering. As a succulent, the Kalanchoe stores water in its thick leaves and stems, making it susceptible to root rot if overwatered. Water should only be applied thoroughly once the top inch or two of the soil has completely dried out.
Fertilization should be introduced gradually to support new vegetative growth. During the spring and summer months, when the plant is actively growing, apply a balanced liquid houseplant fertilizer monthly. Dilute the fertilizer to half or quarter strength. This light feeding encourages strong leaf and stem development without risking fertilizer burn.
Encouraging New Blooms
Getting a Kalanchoe to bloom again relies on manipulating its photoperiodic response. The Kalanchoe is a short-day plant, meaning it initiates flower buds only when the period of uninterrupted darkness is long enough, typically exceeding 12 hours. This mechanism mimics the natural conditions of late fall and winter.
To force a rebloom, subject the plant to a strict light regimen. Provide 12 to 14 hours of total, continuous darkness every night for approximately six weeks. Even a brief flash of light can interrupt the dark period and prevent flower bud formation. A simple method involves placing the potted plant inside a completely dark closet or covering it with an opaque box each evening.
During the day, the Kalanchoe should receive 8 to 10 hours of bright light. The temperature should be maintained in a slightly cooler range, ideally between 50 and 60 degrees Fahrenheit at night. This cooler temperature, combined with the long dark period, signals the plant to set buds. Once small flower buds become visible after the six-week treatment, return the plant to its normal bright, indirect light location.