Rust, caused by Puccinia malvacearum, manifests as unsightly orange to brown pustules on mallow leaves. It’s a pervasive issue, spreading with ease and potentially leading to significant foliage loss.
Powdery mildew is notorious for its dusty, white presence on leaves and stems, hindering photosynthesis and plant vigor. It’s a disease that favors neither wet nor dry, but both.
Also known as gray mold, Botrytis blight casts a pall over the garden with its characteristic gray fungal growth. It’s a pathogen that revels in moisture and cool temperatures.
This soil-borne fungus, Verticillium spp., stealthily infects mallows, leading to wilted, thirsty-looking plants. It’s a formidable foe, persisting in the soil and resisting easy eradication.