Summer Mix Carnival Double Hollyhock Seeds - Flower Plant

Summer Mix Carnival Double Hollyhock is a biennial to short-lived perennial flowering plant grown for its tall flower spikes and fully double blooms in a range of colors. This seed mix is suitable for cottage gardens, borders, fences, and ornamental landscape plantings, adding vertical interest throughout the growing season. The plants perform best in full sun with well-drained, fertile soil and adapt well to a variety of temperate growing conditions.

Features

• Biennial to short-lived perennial with an upright growth habit
• Produces fully double blooms in mixed colors
• Suitable for cottage gardens, borders, and background plantings
• Adaptable to a variety of temperate growing conditions
• Performs well in full sun
• Suitable for ornamental landscape plantings

Specifications

• Scientific Name: Alcea rosea
• Common Name (US): Double Hollyhock
• Seed Type / Variety: Mixed Flower Seed
• Growth Habit: Upright biennial to short-lived perennial
• USDA Zones: 3–9
• Planting Season: Spring or Fall
• Growing Season: Spring to Summer
• Sowing Season: Spring or Fall
• Sowing Season Months: March–May, September–October
• Germination: 10–21 days at 65–70°F (18–21°C)
• Sunlight Requirements: Full Sun
• Soil Requirements: Well-drained, fertile loamy soil
• Watering Needs: Moderate
• Mature Plant Size: 5–8 ft tall, 18–24 in spread
• Plant Spacing: 18–24 in apart