Campanula medium 'Single Mix' has large, bell-shaped flowers that bloom in shades of pink, purple and white. Great for cutting. Campanula medium is a self-sowing biennial that is easy to grow. When the plants go to seed, pull them up and shake them over the area where you want them to grow the next year. Hardy in zones 5-8. Height 30", spacing 12".
Campanula rotundifolia is a beautiful wildflower with violet-blue, bell-shaped flowers from June to September. The short, spreading plants looks lovely in the border, rock garden or wildflower garden. I plant them around the base of roses.
They are drought tolerant, and they self-sow in moderation. The seeds require 5 weeks cold-moist stratification. Hardy in zones 3-9. Height 12", spacing 12".
Campanula Seeds
Campanula, commonly known as bellflower, is a family of plants that includes biennials and perennials with bell-shaped flowers.
Sowing Campanula Seeds
Start campanula seeds indoors 8 weeks before the last frost date. Sow on the surface. Full sun to part shade. Some species require cold-moist stratification.
Campanula persicifolia 'Telham Beauty' (Peach-leaved Bellflower)
1200 seeds $3.50
Campanula persicifolia 'Telham Beauty' blooms in early summer with beautiful, china-blue flowers. This slowly-spreading perennial can be divided every 2-3 years, if desired. It also self sows. Telham Beauty is a lovely companion plant for roses. In my garden, it looks wonderful with foxglove and poppies. Hardy in zones 3-8. Height 30", spacing 15"
Campanula persicifolia 'Alba'
(Peach-leaved Bellflower)
950 seeds $3.50
Campanula persicifolia 'Alba' is the white-flowered form of peach-leaved bellflower. It blooms in June with clusters of pure white flowers on tall stems. It's nice for cutting, and it looks good with practically everything in the garden.
Campanula persicifolia is a mainstay of the perennial garden. Hardy perennial in zones 3-8. Height 30", spacing 15".
Campanula rotundifolia
(Bluebells of Scotland)
600 seeds $4.00
Campanula medium 'Single Mix'
(Canterbury Bells)
350 seeds $3.50
Campanula sarmatica
(Georgian Bellflower)
62 seeds $3.50
Campanula sarmatica blooms in midsummer with soft blue, bell-shaped flowers over ruffled leaves. It's a beautiful gem for the rock garden or the edge of a path where you can admire it up close. Campanula sarmatica is native to the Caucasus. It likes full sun in cool climates and part shade in hot summer areas. Hardy in zones 5-8. Height 16", spacing 12".
Campanula pyramidalis 'Alba' is a biennial with white, star-shaped flowers on long stems that can grow up to 7 feet tall. Hardy in zones 3-10. White Chimney Bellflower blooms for a long time in July and August. It looks nice growing against a fence or the foundation of a house. It can also be used to create a tall exclamation point in the garden. Hardy in zones 3-10. Height 5-7', spacing 15".
Campanula pyramidalis 'Alba'
(White Chimney Bellflower)
500 seeds $3.50
Campanula pyramidalis 'Blue' is the blue version of the Chimney Bellflower. The china-blue flowers are simply beautiful. Here's a fun fact about Chimney Bellflower: You can tell what color the flowers will be from the color of the seeds. Brown seeds produce blue flowers, and white seeds produce white flowers. Hardy in zones 3-10. Height 5-7', spacing 15".
Campanula pyramidalis 'Blue'
(Blue Chimney Bellflower)
400 seeds $3.50
Campanula rapunculus is a biennial with soft leaves that can be used in spring salads and a crunchy, white taproot that tastes like a mild radish (harvested in the fall). It blooms in the second year with lavender-blue, bell-shaped flowers.
Native to Europe. It likes full sun in cool climates and part shade in hot climates. Self-sows. Hardy in zones 4-9. Height 2-3', spacing 9".
Campanula rapunculus
(Rampion, Rapunzel)
2,000 seeds $3.75
Campanula glomerata 'Superba'
(Clustered Bellflower)
400 seeds $3.75
Campanula glomerata 'Superba' is a reliable, spreading perennial that blooms in early summer. The stems are topped with dense clusters of rich violet-blue, bell-shaped flowers. It may repeat bloom if cut back after the first flush is over. It goes well with many other flowers in the garden or the vase. Shown here with California poppy. Hardy in zones 3-8. Height 28", spacing 24".
Campanula latifolia 'Brantwood'
(Greater Bellflower)
120 seeds $3.50
Campanula latifolia 'Brantwood' blooms in June with large, violet-blue bells on tall stems. It's a long-lived, shade-tolerant perennial. Campanula 'Brantwood' is one of the showiest bellflowers. It makes a wonderful companion plant for roses. In my garden, it is planted with Digitalis lutea and Dianthus carthusianorum. Also called Large Flowered Bellflower. Hardy in zones 3-9. Height 36", spacing 18".
Campanula patula
(Spreading Bellflower)
1500 seeds $3.50
Campanula patula blooms in early summer with lavender-blue, star-shaped flowers on wiry stems. The flowers are delicate in appearance, and the plants have a spreading habit. The overall impression is relaxed and casual. It makes a useful filler in the cottage garden. Campanula patula is native to Europe and West Siberia. Hardy in zones 4-8. Height 20", spacing 10".