Most bees and wasps, busy with their pollen and nectar collecting tasks, are not likely to sting if left undisturbed. Butterfly gardens may also attract other forms of wildlife, both wanted and unwanted species. Annuals Annuals grow, flower, and complete their life cycle in one season. There is a wide range of flower types, colors, growth habits, and heights to choose from. Butterflies are also attracted to them as a nectar source as well as a larval food source.
Most shrubs have a limited flower duration.
However, they can provide good, short-term nectar sources, as well as butterfly habitats. Birch - Betula spp. Some plants, like alfalfa and clover, may not be suitable for a small flower garden, but they may be found or encouraged to grow in surrounding areas. Height can vary from a few inches to several feet. For additional information Damrosch, B. 1982.