Kalanchoe can rebloom!

kalanchoe-blossfeldianaThe ubiquitous Kalanchoe (pronounced kal-an-KO-ee) is at almost every grocery store that has a floral department, and getting one as part of a get-well or birthday celebration is as common as getting a card! However, the plants are always blooming beautifully upon receipt, but when the blooms begin to fade the plant tends to look straggly and is often discarded.  Not necessary! There is nothing quite like coming in from a bitter winter’s day and seeing the mass of bright red flowers. Even the variations on red that are available — the softer apricot, deeper magenta, or singular yellow — brighten both the room and your soul. Compact, bushy, and about a foot tall, kalanchoe is common in winter, but once the flowers disappear, many people abandon them. That’s a shame, because with very little effort, they can be forced to bloom whenever you want.

Kalanchoe is what is known as a short-day plant, but it is really the length of the night that matters. For kalanchoe to set flower buds, it needs six to eight weeks of days with 14 to 16 hours of uninterrupted darkness. And uninterrupted means exactly that, so you’ll have to put it in the closet every afternoon — over in the corner where your poinsettia spends the fall, as it needs the same treatment. Pick the right closet because anything in it you might need won’t be available until morning. About a month after the dark period ends, color should be showing as the buds begin to break.

Other than that, kalanchoe is a cinch to grow when given lots of sun (except when it’s in the closet). It thrives in warmth, 65ºF or more, although it tolerates temperatures just above freezing. It should have the chance to go a bit dry between waterings, and it likes a general fertilizer every two or three weeks when new leaves are growing.

When it gets too big it can be cut back pretty hard, leaving only three leaves on each branch. If you do cut it back, wait until it has at least three pairs of new leaves on each branch (about two to three months) before tossing it back in the closet to initiate flowering.

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