How to Water Florist Kalanchoe
Kalanchoe blossfeldiana
Reviewed by Kiersten Rankel M.S.
Quick Answer
Water your Florist Kalanchoe every 10–14 days when the top inch of soil is dry. Stretch to every 3 weeks or longer through winter rest.
This is a thick-leaved succulent that stores water in its foliage. Always check the soil first and water at the soil line, not over the flower clusters.
Stay on top of plant care
Get seasonal reminders for watering and fertilizing — personalized for your plants.
How Often and How Much to Water
Adjust the sliders below for your pot size, light, and setting. The numbers assume a free-draining cactus or succulent mix and a pot with drainage.
Setting
Every
9days
Use
1cup
Your Watering Rhythm Across the Year
Soil dries faster in the growing season, which varies by region. Slow down watering in the off-season to avoid overwatering.
Pacific
Mountain
Midwest
Northeast
Southeast
JFMAMJJASOND
Growing season
Growing season
9days
Resting season
3–4weeks
How to Water Your Florist Kalanchoe
Soak the soil, keep the leaves and flowers dry. Water sitting in the leaf clusters or on the petals leads to fast rot, especially in bloom.
1
Pour at the soil line, off to one side of the plant. Water pooling at the center can rot the crown.
2
Soak slowly until water runs out the drainage holes. That confirms the rootball is fully wet.
3
Empty the saucer after 10 minutes so the roots aren't sitting in water.
4
Water in the morning so any drops on the leaves dry by night.
Should You Water Your Florist Kalanchoe Today?
Always check before you pour. Florist Kalanchoe holds far more water than it looks like, and soggy roots kill faster than a missed week.
Hold off
Leaves feel firm and look plump
Stems hold the flower clusters upright
Soil sits tight against the pot wall
Soil dry on top but damp an inch down
Pot feels heavy when lifted
Ready for water
Lower leaves feel soft or look wrinkled
Stems sag and flowers droop
Visible gap between soil and pot wall
Top inch of soil dry and crumbly
Pot feels almost empty
If Something Looks Off
Underwater and overwater both make leaves go soft, but the soil and the lower leaves tell you which one is happening.
Underwatered
Soil
Bone-dry and pulled away from the pot wall
Leaves
All leaves softening, oldest first, but staying green
Pace
Slow shrink over weeks that bounces back within a day of soaking
Next steps
Set the pot in a basin of room-temperature water for 15 to 20 minutes
Drain fully and return to its usual bright spot
Expect leaves to plump up within a day
Existing wrinkled leaves won't fully recover. New growth comes in clean once watering stabilizes
Overwatered
Soil
Stays dark and damp for over a week with a sour smell
Leaves
Yellow translucent leaves at the base that fall off when touched
Stem
Soft or browning at the soil line
Pace
Sudden collapse that worsens even after you stop watering
Next steps
Stop watering immediately and move to a bright airy spot
Pop out of the pot and trim any dark mushy roots back to firm white tissue. Cut away any soft sections of stem
Repot in fresh dry cactus or succulent mix in a clean pot with drainage
Wait at least 10 days before the first watering
Watch for fungus gnats around the soil. They thrive in damp pots and confirm the mix is staying wet too long
Got More Questions?
How long should I wait to water after repotting?
Wait 5 to 7 days. The brief dry stretch lets any nicked roots seal over before you flood the pot.
When you do water, soak fully, drain the saucer, and resume the normal rhythm.
Why is mine leggy and stretched out?
Stretching is a light problem, not a watering problem. Florist Kalanchoe needs several hours of bright direct sun to stay compact. Without it the stems elongate as the plant reaches for light.
Move to the brightest window you have, ideally south or west facing. Existing leggy stems won't reset but new growth from a brighter spot will be tighter.
How do I get it to bloom again?
Florist Kalanchoe is a short-day plant. It needs about 6 weeks of long uninterrupted nights, around 14 hours of total darkness each evening, to set buds.
October through November in a room without nighttime lights usually triggers reblooming. Cut back water during this period to mimic its dry winter cue.
Can I use tap water?
Yes. Florist Kalanchoe tolerates ordinary tap water without issue. Chlorine and fluoride at typical municipal levels are not a problem for this species.
If you have very hard water and notice white crust on the soil, flush with rainwater or distilled water once or twice a year.
How long can I leave it alone for vacation?
Two to three weeks easily. Soak deeply before you leave and move it slightly back from the brightest window so it uses less water while you're away.
For longer trips, the leaves act as a buffer, but ask someone to do a quick finger-check at the 3-week mark.
Can I move it outdoors in summer?
Yes, with a slow transition. Acclimate over a week to avoid sun scorch. Outdoors it tolerates more sun and uses water faster.
Bring it back inside before nights drop below 50 degrees Fahrenheit. Florist Kalanchoe is not frost-hardy.
Stay on top of plant care
Get seasonal reminders for watering and fertilizing — personalized for your plants.
About This Article
Kiersten Rankel M.S.
Botanical Data Lead at Greg · Plant Scientist
Editorial Process
Watering guidance verified against Kalanchoe blossfeldiana growth data from Greg's botanical database, cross-referenced with USDA hardiness zone data and published horticultural research.
39,700+ Greg users growing this plant
USDA hardiness zones 10a–11b