#21 Beth’s Blue
Beth’s Blue provides a profusion of star-shaped blue flowers with a yellow center. Growing it in containers, use well-drained soil and place the pots in full sun to partial shade.
Delphinium grows well in a medium to small size container. It has a true rare blue color.
Iris prefers sunny spots and water frequently but only when it needs.
You can easily grow Clematis in a large container with full sun, water well.
You can grow lobelia in small containers, spilled flower pots, and hanging baskets.
#26 Swan River Daisy
Swan River Daisy forms stunning blossoms and combines well with other flowers to make a fun pop color in your container.
#27 Sea Holly
The flower is an ideal choice for those who love blue blooms during summer. It can thrive to 6-18 inches tall in sandy soil under full sun.
#28 Cornflower (Bachelor’s Button)
Cornflower is wildflower but it is an excellent addition to your container garden.
#29 Himalayan Blue Poppy
Himalayan Blue Poppy shines with large cool blue flowers and hairy leaves. It has a stunning array of yellow centers that pairs gorgeously with the outer petals.
Columbine has a beautiful bell-shaped blue-white flower with yellow stamen floating on dark green foliage that turns maroon in fall, it looks adorable in containers. It prefers full sun but doesn’t like too hot summer days.