Champion Pro Mix, (F1) Campanula Seeds

Champion Pro Mix (F1) Bellflower Seed

One productive blend delivers purple, pink, and white bells
Many smaller blooms create strong color impact per stem
Flexible stems and firm petals suit commercial handling
Use throughout arrangements as both focal and filler

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Key Attributes

Botanical Name

Campanula medium

Days to maturity

130 Days

Sun

Full Sun

Packet

15 Seeds

Zones 5–8 Check your growing zone

About Champion Pro Mix, (F1) Bellflower Seed, Bellflower Seed

A beautiful blend of purple, pink and white Campanula that are fast-finishing. This high-yielding Champion Pro series produces smaller but higher yields of blooms per stem. The higher amounts of flowers produces a more vibrant color impact. Champion Pro also offers firmer flower petals and thinner more flexible stems. Champion Pro Mix flowers can be either the focal point or filler in cut flower arrangements. Pelleted Seed

Growing details

Planting

Sow Depth

Top of Soil

Days to Germination

14–21 days

Germination Type

D - Surface Sow

In-row plant spacing

12-18"

Plant profile

Life Cycle

Biennial

Plant Height

48 inches

Growth Habits

Rosette, Upright

Seed & variety

Seeds Per Ounce

50,000

Color

Multicolor

Seed Type

Hybrid

Before Planting

Bellflowers favor a weed-free bed with good drainage and sun to partial shade. Prepare a fine surface for the tiny seed; many perennial species germinate better after several weeks of cold, moist stratification.

Planting

Surface-sow bellflower indoors 8–10 weeks before the last frost; press the tiny seed into moist mix and provide light at about 65–70°F. Some perennial species germinate more evenly after 4–6 weeks of cold-moist stratification. Harden seedlings gradually and transplant without burying the crown, spacing according to mature habit.

Watering

Keep the seed surface damp until germination. Established bellflowers need moderate, regular moisture, particularly while budding, but their crowns should not remain wet through winter.

Fertilizer

Use compost at planting and a light spring top-dressing in subsequent years. Avoid heavy nitrogen, which produces floppy foliage and may shorten the display.

Harvesting

Cut bellflower stems when the lowest two or three bells have opened and upper buds remain colored but closed. Harvest in the cool morning, strip submerged foliage, and place stems into water. Deadhead garden plants after bloom; collect seed only when capsules turn brown and dry.

Tips

Deadhead above a leafy side shoot to encourage repeat bloom. Divide spreading clumps when centers thin, stake tall forms before flowering, and verify the species because some bellflowers spread aggressively.

Pests & Diseases

Rust, powdery mildew, Botrytis blight, leaf spots, and crown or root rot may affect bellflowers. Look for orange pustules, white coating, gray mold, expanding spots, or wilt from a decaying crown. Space plants for airflow, irrigate beneath leaves, maintain drainage, remove diseased foliage, and divide overcrowded clumps during healthy growth.

Slugs and snails chew bellflower rosettes, aphids cluster on new stems, and spider mites cause stippling during hot weather. Inspect crowns after rain and leaf undersides during dry spells. Use barriers or hand collection for mollusks and rinse off small aphid colonies.