Their flowers have two lips, a bit like snapdragon blooms, and there are approximately 250 species in the genus.
These so-called thugs are plants that cover the ground so fast that if left to their own devices they eventually crowd out every other plant in a bed.
It’s possible to have colorful shade gardens that have a continual sequence of bloom.
Fall is the time to be thinking about next spring and especially which new spring-blooming bulbs to plant.
Some speedwells are low growing but most are upright with flower spires of blues, violets, pinks and whites.
Late last fall I bought a lot of perennials at the end of October, and not one of them came back this past spring.
Silver-leaved plants like Artemisia and sage are heat and drought tolerant as well as being unappetizing to deer and rabbits.
Common names for these wonderful plants are Christmas rose or Lenten rose, depending on the species and time of bloom.
As well as wonderful quotations, C. L. Fornari's handy book contains a lot of useful advice.