Superba Bellflower – 50 Seeds
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.
Why gardeners love this pick
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.
Pickup or delivery
Reserve online and pick up at the greenhouse, or schedule white-glove delivery and planting.
Care that follows home
Purchases sync with the Adams Eden app to unlock care guides, alerts, and workshop invites.
Grower hotline access
Chat with our team for planting questions, pairing advice, or seasonal refresh scheduling.