When you think about annuals, it's impossible to overlook the most classic of them all Geraniums! Seeds can be started indoors now for those beautiful late spring blooms! Annual Cold Hardy Succulents for Northern Climates A seed consists of three main parts: the embryo (a tiny, undeveloped plant with a root and shoot), the endosperm or cotyledons (food storage), and the seed coat (a protective outer layer). How to Grow Beans at Home 8 Easy Steps AllThatGrows