Watch for eriophyid mites and aster yellows. 'Spider' coneflower (Echinacea PRIMA 'Spider') has been recently introduced under TERRA NOVA Nursery's PRIMA series. It differentiates itself from most ...

Aster yellows disease shows up as green ... Next season, spray pre-budding echinacea with pyrethroid-based insecticide. Every butterfly was once a caterpillar, and silvery checkerspot butterflies ...