Deluxe Rainbow Mix Canterbury Bells on a white background.
A floral arrangement of Deluxe Rainbow Mix Canterbury Bells in a pink pitcher.
Purple Canterbury Bell bloom appearing as time is standing still.
Canterbury Bell bouquet in pink watering can.
Close up purple Canterbury Bell hanging on vine.
Handful of dew topped Canterbury Bell blooms.
Deluxe Rainbow Mix Canterbury Bells on a white background.
A floral arrangement of Deluxe Rainbow Mix Canterbury Bells in a pink pitcher.
Purple Canterbury Bell bloom appearing as time is standing still.
Canterbury Bell bouquet in pink watering can.
Close up purple Canterbury Bell hanging on vine.
Handful of dew topped Canterbury Bell blooms.

Canterbury Bell Seeds,
Deluxe Rainbow Mix

4.26 ReviewsSKU: #FL150Min. seed count: 300
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Description

Incredible, huge flowers! Tall spikes of long-lasting, bell-shaped flowers feature rich tones of purple, lavender, plum, pink, and white to cream. A cottage garden staple for centuries, it makes a fine cut flower. It was offered by Comstock, Ferre & Co. in 1856.

Growing Tips: Sow seeds in late summer or early fall for blooms the following year. Prefers afternoon shade in hot summer areas.

Plant Details

Botanical Name
Campanula medium
Life Cycle
Biennial (perennial in some areas)
Sun Requirement
Full sun
Days to Germinate
14–21
Days to Maturity
180–360
Planting Depth
⅛ in.
Plant Spacing
15–18 in.
Ideal Temperature
70–75°F
Frost Hardy
Yes

When to Grow

Sow in late summer or early fall for blooms the following year, or start seed indoors in spring. Surface sow and press the seed very lightly into the soil, or cover it with only the thinnest layer of vermiculite or fine potting soil — the seed requires light to germinate. Do not let it dry out before it sprouts; at an ideal germination temperature of 72 to 75 F, germination takes 14 to 21 days. These frost-hardy plants are biennial, bearing tall spikes of long-lasting, bell-shaped flowers.

How to Sow and Plant

  • Seeds germinate in 14-21 days.
  • Surface sow seeds and very lightly press them into the soil or cover with a super thin layer of vermiculite or fine potting soil, as the seeds require light in order to germinate.
  • Start seeds indoors in spring or directly sow them in the garden.
  • Ideal germination temperature is 72-75 F.
  • Do not allow seeds to dry out until germinated.

How to Grow

  • Campanula prefers rich, well-drained soil and full sun to part shade.
  • This European native likes temperate conditions, so if you live in a very hot summer location, plant in a location with afternoon shade.
  • Space plants 10 inches apart.
  • Plants should be dead-headed.

PESTS/SPECIAL CONSIDERATIONS

Typically pest-free, Canterbury Bells will reach up to 3 feet tall in their second year and may require staking to support their long, slender stalks.

How to Save Seeds

Seed saving is easy: simply allow blooms to fade on the plant and collect the dried seeds. You can sow these seeds in late summer, allowing them to stratify over winter.

FAQ

Should I bury Canterbury Bell seed?

No. Canterbury Bell seed needs light to germinate, so surface sow it and press lightly, or dust it with a super thin layer of vermiculite or fine potting soil.

Do Canterbury Bells need staking?

They may. Canterbury Bells reach up to 3 feet tall in their second year and the long, slender stalks can need support. Deadheading the plants is also recommended.

Where do Canterbury Bells grow best?

Campanula prefers rich, well-drained soil and full sun to part shade. This European native likes temperate conditions, so in a very hot summer location plant where it will get afternoon shade.
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