*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Rose diseases commonly encountered in the St. Louis area include black spot, powdery mildew and rose rosette. Black spot is ...
Because they are permanent pests of rose growers, possibly reducing even the most vigorous bushes to quilts of yellowing, stippled foliage and reduced flowering, spider mites can be a major problem.
From allotment roses to houseplants, washing up liquid is hailed across the UK as a cheap, natural pest cure. But experts and regulations paint a far trickier picture. On a bright Saturday in May, a ...