Why Is My Succulent Dying? The 7 Ways They Usually Go
Succulents are sold as the plant you cannot kill, which is why so many people manage it. Here is what each symptom is telling you.
Succulents get sold on a promise: put it on a shelf, forget about it, it thrives on neglect. Then three months later it is a pale stretched thing with mushy leaves falling off the bottom, and you assume you have a black thumb.
You do not. Succulents are desert plants being kept in a living room, and almost everything that goes wrong comes down to two things: not enough light, and too much water. Here is how to read which one you have.
1. Mushy, translucent, falling off
This is overwatering, and it is the most common killer by a mile.
Leaves go soft, slightly see-through, sometimes yellow, and drop off at the slightest touch. The lower leaves go first. Squeeze one and it bursts rather than resisting.
Succulents store water in their leaves. When the soil stays wet they keep absorbing until the cells literally rupture. Meanwhile the roots suffocate in the airless soil and start rotting.
What to do: stop watering. Tip it out of the pot and check the roots. Anything black, brown or slimy gets cut off with clean scissors. Let the plant sit out of soil in a dry, airy spot for a day or two so the cuts callus over, then repot into dry gritty mix and wait a week before watering.
If the stem is mushy all the way through, that plant is gone. Pull off any firm healthy leaves from higher up, lay them on dry soil, and they will grow roots and new plants in a few weeks. Nothing is wasted.
2. Stretched out, pale, leaning
This is not enough light, and it is called etiolation.
The gaps between leaves get longer, the rosette loses its tight shape, colour fades, and the whole thing leans toward the window. It looks like the plant is reaching, because it is.
The hard truth: this does not reverse. A stretched stem stays stretched. New growth will be compact once you fix the light, but the leggy section stays leggy forever.
What to do: move it to the brightest window you have, ideally south facing. Succulents want several hours of direct sun, which is far more than most indoor spots provide. If your brightest window is not bright, a cheap grow light genuinely solves this.
For a plant that has already stretched, behead it. Cut the top rosette off with an inch or two of stem, let it callus for a few days, then set it on dry soil. It roots and you get a compact plant back. The stump usually sprouts new heads too.
Move it into strong sun gradually over a week or two, by the way. A plant that has been in a dim room will sunburn if you put it straight into full afternoon sun, and that shows up as bleached white or brown patches.
3. Shrivelled, wrinkled, leathery
This one actually is thirst, and it is the easiest to fix.
Leaves look deflated and slightly wrinkled, a bit like a raisin, but they stay firm rather than mushy. Lower leaves may dry to paper and drop.
Succulents want a proper drenching and then a long dry spell, not sips. Water thoroughly until it runs out the bottom, then leave it alone until the soil is completely dry, which might be two to four weeks in summer and six or more in winter.
Wrinkled is a much better problem than mushy. A thirsty succulent plumps back up within a day or two of a good soak. A drowned one does not come back at all.
4. Black or brown spots at the base of the stem
Rot that has reached the stem. This is the serious one.
Once black creeps up from the soil line, cutting roots will not save it. Act the same day. Cut the stem well above the discoloured section, checking the cut face each time: if the inside is brown or streaked, keep cutting higher until you reach clean white or green tissue.
Let that cutting callus for several days somewhere dry and airy, then root it in dry mix. Do not water for at least a week.
5. White fluff in the crevices
Mealybugs. They love succulents and hide exactly where you do not look: between leaves, in the crown, and down among the roots.
Dab each one with a cotton bud dipped in rubbing alcohol, which kills on contact. Then check again in five days, and again five days after that, because eggs keep hatching. If a plant keeps declining after you have cleaned the visible ones, tip it out and check the roots for white fluff there too.
6. Bleached white or tan patches
Sunburn. Yes, this happens, usually after moving a plant outdoors for summer or straight into a south window in spring.
The damage is permanent on those leaves but harmless overall. Move it somewhere with morning sun and afternoon shade for a couple of weeks, then reintroduce brighter light slowly.
7. It looks fine but has not changed in a year
Not dying, just dormant or starved. Many succulents rest in the heat of summer or the dark of winter depending on species. If it is holding colour and firmness, it is fine.
If it has been in the same pot for two or three years, the soil is exhausted. Repot into fresh gritty mix in spring and feed at half strength once or twice during the growing season, not more.
The two things that prevent nearly all of this
Get the soil right. Standard potting compost holds far too much water for a succulent. Use cactus mix, or make your own by cutting normal compost roughly half and half with perlite, pumice or coarse grit. This one change fixes more succulent problems than anything else.
Use a pot with a drainage hole. Ideally terracotta, which breathes and dries the soil out roughly twice as fast as glazed or plastic. Those pretty glass bowls and sealed ceramic pots sold with succulents in them are, bluntly, death traps.
Then water properly but rarely. Soak until it drains, empty the saucer, and do not touch it again until the soil is dry all the way through.
Not sure which succulent you have? It matters more than people expect, because a haworthia and an echeveria want noticeably different amounts of light. Photograph it from directly above so the rosette shape is clear, and Identium will tell you the species and what it actually wants.
Frequently asked questions
Can a stretched succulent go back to normal?
No. Etiolation, the stretching that happens in low light, is permanent for the stem that has already grown. Moving it into brighter light makes new growth compact again, but the leggy section stays leggy. The usual fix is to cut the top rosette off, let it callus for a few days and root it as a new compact plant.
How often should I water a succulent?
Only when the soil is completely dry all the way through, which is usually every two to four weeks in summer and as little as every six weeks in winter. Water thoroughly until it runs out of the drainage hole rather than giving small sips, then leave it alone entirely until it dries out.
How do I know if my succulent is overwatered or underwatered?
Squeeze a lower leaf. Mushy, translucent and bursting means overwatered. Firm but wrinkled and leathery means thirsty. Underwatered succulents recover within a day or two of a proper soak. Overwatered ones need the roots checked and the rotten parts cut away.
Can I save a succulent with root rot?
Often yes, if the stem is still firm. Cut away every soft or discoloured root, let the plant dry out of soil for a day or two so the cuts callus, then repot into dry gritty mix and wait a week before watering. If the stem is mushy through, take healthy leaves or a clean top cutting and start again from those.
What soil is best for succulents?
A fast draining gritty mix. Buy cactus and succulent compost, or make your own by mixing normal potting compost roughly half and half with perlite, pumice or coarse grit. Standard potting compost on its own holds far too much water and is the underlying cause of most succulent deaths.