Rainbow Sunflower Seeds - Heirloom Flower Garden Seeds for Growing

Rainbow Sunflower is an annual flowering plant grown for its colorful blooms and tall upright growth. It is suitable for flower beds, borders, cottage gardens, containers, and cut flower gardens. This sunflower variety develops strong stems with broad green leaves and performs best in full sun with fertile, well-drained soil. It is a warm-season plant suitable for home gardens and landscape planting.

Features

• Produces colorful sunflower blooms
• Annual flowering plant
• Suitable for gardens and borders
• Ideal for cut flower planting
• Tall upright growth habit
• Grows well in full sun
• Prefers fertile, well-drained soil
• Suitable for warm-season gardens

Specifications

• Scientific Name: Helianthus annuus
• Common Name (US): Sunflower
• Seed Type / Variety: Rainbow Sunflower Seeds
• Growth Habit: Upright annual flowering plant
• USDA Zones: 2 to 11
• Planting Season: Spring
• Growing Season: Summer to fall
• Sowing Season: Spring
• Sowing Months: March to May
• Germination Time and Conditions: 7 to 14 days at 21 to 25°C
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained fertile soil
• Watering Needs: Moderate
• Mature Plant Size: 120 to 240 cm height, 30 to 60 cm spread
• Plant Spacing: 30 to 45 cm