Spring Versus Summer

Most garden perennials flower in spring after the low light season.  However, garden annuals bloom during the summer, which is not typical of native plants in North America.  Mainly tropical in origin, bedding plants have been the focus of breeding since the residential boom of the 1950s.  Annual cultivars descend from plants found near the equator, the only frost-free part of the world.  These heat and light lovers…