Black spot disease is a type of fungus that can develop on many different plants but is most commonly seen on roses. This ...

Characterised by large dark blotches on rose leaves, black spot is a severe fungal infection ... "The disease is easily spread on the wind, and the fungus spends the winter on fallen leaves.

It's late spring, and you're proudly surveying the carefully nurtured rose bushes scattered throughout your garden beds. After all, they're difficult plants to grow in the garden, and it's not ...

Black spot disease will not outright kill rose bushes but will greatly drain ... Louise said: “The disease is easily spread on the wind, and the fungus spends the winter on fallen leaves.

As for diseases, the best strategy is to start with disease-resistant cultivars. “Buy ‘fisherman roses,’” Pscheidt said. “The ...