• Superba Bellflower Seeds
  • Superba Bellflower Seeds
  • Superba Bellflower Seeds
  • Superba Bellflower Seeds
Southern Seeds

Superba Bellflower Seeds

$1.95 USD
$1.95 USD -50%
$3.90 USD
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Create a spectacular display with our Superba Bellflower seeds. This beloved heirloom, also known as Clustered Bellflower, is a true showstopper, producing dense, globe-like clusters of vibrant, upward-facing, violet-blue flowers. The blooms are packed tightly at the top of sturdy stems, creating a long-lasting and eye-catching show throughout the summer. This hardy perennial is perfect for adding a splash of intense color to borders, cottage gardens, and cut flower arrangements.

⭐ What you'll love

  • Dense, globe-like clusters of stunning, violet-blue, bell-shaped flowers.
  • A long-lasting and prolific bloomer for color all summer long.
  • A hardy and reliable perennial that will spread to form a beautiful patch.
  • An excellent and long-lasting addition to cut flower bouquets.

🌿 Seed details

  • Plant Name: Superba Bellflower (Campanula glomerata)
  • Seed Quantity: Approx. 50 seeds
  • Type: Heirloom, Non-GMO
  • Lifecycle: Perennial
  • Height: 18-24 inches
  • Days to Maturity: Blooms in the second year from seed.
  • USDA Zone: 3-8
  • Origin: American Grown

🌱 Growing instructions

  • Sowing: For spring planting, a 30-day cold stratification is recommended. Alternatively, sow seeds outdoors in the fall for a natural cold period.
  • Depth: Press seeds into the surface of the soil, as they require light to germinate. Do not cover.
  • Spacing: Space or thin plants to 12-15 inches apart.
  • Light Requirement: Full Sun to Partial Shade.
  • Soil: Prefers average, well-draining soil.
  • Watering: Water regularly until established.

✅ Our seed packets

  • Professionally designed and made.
  • Resealable for convenient, long-term storage.
  • Eco-friendly and recyclable (contains no plastic).
  • Includes full, detailed growing instructions.
  • Vigorously tested to ensure the highest germination rates.
  • Custom packets for weddings, baby showers, or events are available. Just message us!

🚚 Shipping

  • FREE SHIPPING on all orders of $35 or more.
  • Flat Rate shipping no matter how many seeds you order.
  • Tracking is included with every order.

Need help planning your garden? Download our seed starting resources:

Cottage Cutting Garden Handbook
Winter Sowing 101
Bloom Time Guide
Direct Sow Cottage Garden Plan
Cottage Garden Plans

Sorry! We're unable to accept returns unless damaged.