There are times when you want flowers or plants that bloom in a certain hue. While there are various shades of blue in nature, they all work well together in the garden. Choices for blue flowers and plants can include African lily, anise sage, blue sage, small globe thistle and blue daze.
Africanlily, or Agapanthus spp., is part of the Liliaceae, or lily, family. It is a perennial evergreen that grows well in containers and blooms in late summer. There are about 10 different species. The flowers are dark blue, trumpet shaped, and on umbrels with up to 30 blooms. It requires full sun and can be drought tolerant. Propagate by clump division in the spring, or by seed.
Anise sage, or Salvia guaranitica, is a member of the Lamiaceae/Labiatae, or mint, family. It is a perennial that attracts butterflies and hummingbirds. It can reach 3 to 5 feet tall with 2- to 5-inch leaves. Flowers are tubular, 2 inches long, and on 10-inch spikes. Blooms are from early summer to fall. Sage requires partial shade or full sun, moderate water, and propagation is via cuttings.
Blue sage, or Salvia farinacea, is a part of the Lamiaceae/Labiatae, or mint, family. It is a perennial that is good for containers and for beginning gardeners. It can grow from 1 to 4 feet tall and has many blue spikes of flowers. It requires full sun, well drained soil, and can be propagated via seed or dividing clumps.
Small Globe Thistle
Small globe thistle, or Echinops ritro, is a member of the Asteraceae/Compositae, or aster/daisy, family. It is a perennial that attracts butterflies. Leaves are up to 8 inches long with flower stems getting 2 to 3 feet tall. Flowers are small and spherical Thistle requires full sun and regular water. Propagate via clump division in winter or by sowing seed in spring.
Blue daze, or Evolvulus glomeratus, is a part of the Convolvulaceae, or morning glory, family. It is a perennial evergreen that is good for a container. It can grow to 1 foot tall and 2 to 3 feet wide. The leaves are egg shaped and the funnel-shaped flowers are powder blue. It requires a well drained soil and full sun, with propagation via stem softwood cuttings, or via seed.