Canterbury bells

Campanula medium ‘Calycanthema’

Photo/Illustration: 
Dency Kane
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Canterbury bells (Campanula medium ‘Calycanthema’)
kam-PAN-yew-lah MEE-dee-um
Genus:  Campanula
This 2- to 3-foot-tall bellflower bears single or double flowers in white, blue, or pink. 
Noteworthy Characteristics:  Biennial, flowers in second year.
Care:  May need support. Grow in fertile, moist but well-drained soil that has a neutral to alkaline pH. Site in full sun or partial shade and cut back after flowering.
Propagation:  Sow seed in containers in a cold frame in spring. Divide in spring or autumn. Take basal cuttings in spring.
Problems:  Slugs, snails, vine weevils, spider mites and aphids. Powdery mildew, rust, Septoria and Ramularia leaf spot, and Southern blight.

Overview

Height
1 ft. to 3 ft.
Spread
1 ft. to 3 ft.
Growth Habit
Clumps
Growth Pace
Slow Grower
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Moderate
Characteristics
Showy Flowers
Bloom Time
Spring,
Summer
Flower Color
Blue Flower,
Pink Flower,
White Flower
Uses
Beds and Borders
Style
Cottage Garden
Seasonal Interest
Spring Interest
Type
Perennials

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