CactusGardening

Mammillaria elongata Cactus Turning Yellow

I'm experiencing an issue with my Mammillaria elongata cactus. I've had this plant for about a month and recently it's started to turn yellow. I have it by the windowsill and water it once a week so not sure why it's turning yellow.

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September 24, 20180 found this helpful

There are several reasons

  • Soil stays wet for too long
  • Insufficient light
  • Soil too dry
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September 24, 20180 found this helpful

It sounds like you are over watering. Yellow is usually caused by too much water. Although my dad, who used to raise various cacti, would have the same yellowing issue if we forgot to water. Most of the time if was too much water though.

Most people say to water cacti weekly, but if your home is moist every two weeks works. The trick is NOT to over water...only water so the soil is damp, NOT saturated...think desert like conditions where they thrive.

Hope your cacti is well soon!

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October 2, 20180 found this helpful

I think it is over water. I've stopped watering it, I've got a dish underneath the pot and I've left it to hopefully get better!

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September 24, 20180 found this helpful

It sounds like you may have over-watered your cactus. If so, you may not be able to save it as once they show signs of distress it is usually too late to save it.

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Does your pot have drainage holes? This is so important as otherwise you can easily over-water a plant; be it cactus or otherwise.

It is always best to under water a cactus than to over water and watering should never be on a set schedule. A set schedule to check your plant would be okay. The soil should feel very dry and not just on top but at least 1/2" deep. If it feels even slightly damp, wait several days and check again.

If your cactus feels "soft" (use gloves) then it is too late to save it. Save babies if possible.

Check out this site for how to take care of your cactus.

www.hunker.com/.../how-to-water-a-cactus

I have saved an over watered cactus by gently removing it from the pot - lay it down on the side over newspaper and pull cactus from pot (use gloves) and see if soil is wet. let cactus dry for a couple of days and repot (be sure to use a pot with plenty of drainage holes). Use fresh cactus potting soil.

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If there are babies you may be able to start some of those in a different pot.

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October 2, 20180 found this helpful

I don't know what you mean by 'soft?' It does and I've got a dish underneath the pot. I'm not much of an expert with cacti, but I love my plants! It's difficult for me as I'm at university and don't have the access to goo gardening tools!

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October 10, 20180 found this helpful

The cactus has gotten even worse. More leaves are turning a yellow/brown colour and they've started to shrivel up - don't know what to do!

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October 2, 20180 found this helpful

Here is what my cactus currently looks like:(

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