Alcea "Alcea" species are used as food plants by the larvae of some Lepidoptera species including "Bucculatrix quadrigemina" and "Vanessa cardui", the painted lady. The mallow flea beetle ("Podagrica fuscicornis") is a pest that makes tiny holes in the leaves. Cutworms, aphids, and capsid bugs use the plant as a food source in hotter and drier conditions. A number of weevils use "A. rosea" as their host plant, including "Rhopalapion longirostre", "Alocentron curvirostre", and "Aspidapion validum". The plants are also susceptible to the pathogenic fungus "Puccinia malvacearum", the hollyhock rust. A hollyhock flower, known in Japan as , was incorporated into
Flower Garden (solitaire) bouquet." The top cards of each flower-bed and all of the cards in the bouquet are available for play. Cards can only be moved one at a time and can be built either on the foundations or on the other flower beds. The foundations are built up by suit, from Ace to King (a general idea of the game is to release the aces first). The cards in the garden, on the other hand, can be built down regardless of suit and any empty flower bed can be filled with any card. The cards in the bouquet can be used