Cardinal Climber (Ipomoea x multifida): Growing Guide for Red Trumpet Flowers

Cardinal Climber (Ipomoea × multifida)

Cardinal Climber is a vigorous annual vine with feathery, deep green leaves and masses of small, brilliant red trumpet flowers that attract hummingbirds. A morning glory hybrid, it climbs 10–30 ft in a season. Easy from seed, it quickly covers trellises, fences, and arbors.

Quick Facts

• Common Names: Cardinal Climber, Cardinal Vine
• Botanical Name: Ipomoea × multifida
• Vine Length: Up to 30 ft (9 m)
• Bloom Time: Mid-Summer to Fall
• Life Cycle: Annual

Growing from Seed

• Direct sow: After soil warms, 1/4 in deep.
• Indoor start: 4–6 weeks before last frost.
• Tip: Soak seeds overnight.
• Germination: 5–15 days.
• Spacing: 12 in apart.

Care Requirements

Light

Full sun for best blooms.

Soil

Rich, well-draining.

Watering

Frequent in dry periods.

Fertilizer

Monthly general purpose.

Support

Tall, strong trellis/fence required.