Cathedral Bells (Cobaea scandens): Growing Guide for Bell-Shaped Climbing Flowers

Cathedral Bells / Cup and Saucer Vine (Cobaea scandens)

Cathedral Bells is a stunning annual vine with large, bell-shaped flowers (white, pink, rose, orange, violet) that change scent from musk to honey as they age. Vines climb 20+ ft on trellis/fence. Popular for hanging baskets, balconies, and bridal shower favors. Attracts hummingbirds.

Quick Facts

• Common Names: Cathedral Bells, Cup and Saucer Vine, Cup and Saucer Flower
• Botanical Name: Cobaea scandens
• Vine Length: 20+ ft (6+ m)
• Bloom Time: Summer to Fall
• Life Cycle: Annual (perennial in frost-free zones)

Growing from Seed

• Indoor start recommended: Long season needed. 10–14 day germination.
• Heat mat speeds germination.
• Transplant after frost. Space 8–10 in. Provide support immediately.

Care Requirements

Light

Full sun.

Soil

Rich, well-draining, high organic matter.

Watering

Consistent moisture for fast growth.

Fertilizer

Monthly general purpose. High phosphorus before bloom.