Question
I have some cactus that have what I believe is the white fungus .   Question is how do I get rid of it my cactus are over 6 feet tall each and I have had them for years and would hate to lose them

Answer
Hi Sue,

Your cactus may have a fungus problem or it may be a mealybug problem. The latter has a soft, cotton-like texture. The former has a harder, crustier appearance. If you are unsure which you have, you can send a photo to me at my address below my name.

Treat the fungus problem with a fungicide spray that contains sulphur as the active ingredient. It is reasonably safe to use.

For mealybugs, spray with a mixture of 6 parts water and 1 part rubbing alcohol with a squirt of liquid soap added.

Please let me know if any of this is unclear or if you have any additional questions.

Regards,
Will Creed, Interior Landscaper
Horticultural Help, NYC

You can E-mail me directly at: [email protected]

If this information has been helpful, please remember to give me an AllExperts rating and nomination.