Q: Last year, the cactus plants in our neighbor's yard developed a disease where white stuff that looked like snow was coming out of the spine pores, and the main branches were turning yellow. Now, ...

Early in April, I was looking for the first of the spring flowers in the mountains and had found pasque flowers and, to my surprise, mountain ball cactus in bloom at Meyers Gulch, near Walker Ranch.

Cactus is easy to take care of, but the low maintenance plant can develop issues that will need your attention. Find out what ...

The male gametes unite with receptive fungal hyphae to produce spores, which would be carried by breezes to the next host, one of the grasses. The rust exerts an extreme degree of control over its ...

Question: My purple pear cactus has some kind of fungus/insect infestation on it. It happened very suddenly and the cold weather seems not to have affected it at all.

More information: Nicholas Greatens et al, Aecial and Telial Host Specificity of Puccinia coronata var. coronata, a Eurasian Crown Rust Fungus of Two Highly Invasive Wetland Species in North ...