Avatar for ktcouvs
Jun 10, 2020 5:40 PM CST
London, Ontario. Canada
Cactus turning brown. Kept under a grow light all summer. Now in a bright window. Don't water it much.. only when extremely dry like every couple weeks.

What could be the problem?
Thumb of 2020-06-10/ktcouvs/7bfc3f
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Thumb of 2020-06-10/ktcouvs/b20139
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Jun 10, 2020 6:50 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
That pot is HUGE and the Haworthia (or hybrid) looks very happy. Makes me think too low light and too much water as Haworthia like less than full sun and more water than a cactus. Grow lights, unless you have to wear your sun glasses when they are on, are no substitute for sunlight.

Your potting soil looks like compost, way to organic for a happy cactus. The pot should be just larger than the root ball. I suspect a 6 inch pot would have been a better size. Hopefully, its not too late to save the cactus.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
Avatar for ktcouvs
Jun 10, 2020 9:17 PM CST
London, Ontario. Canada
We received advice that the cactus was rotting Due to over watering and to cut the stems above rot and stick them back into cactus soil (which is what we used here. We buy cactus soil at Home Depot) and hopefully they will grow roots..
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Jun 11, 2020 12:10 AM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
So you cut them off? Where did you get that advice? What did they look like inside?
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
Last edited by DaisyI Jun 11, 2020 12:13 AM Icon for preview
Avatar for ktcouvs
Jun 11, 2020 7:28 AM CST
London, Ontario. Canada
We received advice that the cactus was rotting Due to over watering and to cut the stems above rot and stick them back into cactus soil (which is what we used here. We buy cactus soil at Home Depot) and hopefully they will grow roots..
Avatar for ktcouvs
Jun 12, 2020 8:37 AM CST
London, Ontario. Canada
They were mushy and brown. We got the advice from a friend who has lots of cactai. So yes we cut them above the "rotting" spots and stuck them in soil. No idea if that will work but we thought we needed to take some sort of action quickly *Blush* Sad
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