Sunflower Seeds – Rainbow

Bring vibrant color and bold beauty to your garden with Rainbow Sunflower Seeds, a hardy and reliable heirloom variety known for its multi-toned petals and strong growth. These sunflowers are perfect for home gardeners who want stunning ornamental blooms and an easy-to-grow, resilient plant. With excellent germination and steady performance across a range of climates, this variety adds a striking presence to any landscape or cutting garden.

Features

• Hardy sunflower variety suitable for diverse growing conditions

• Produces eye-catching multi-colored blooms

• Heirloom, Non-GMO seeds with high germination

• Ideal for garden borders, pollinator gardens, and cut-flower arrangements

• Fast-growing, low-maintenance, and drought-tolerant once established

Specifications

• Common Name: Sunflower

• Seed Name/Variety: Rainbow Sunflower

• Type: Heirloom, Non-GMO

• Growth Habit: Upright annual

• Bloom Colors: Multi-shade petals

• Sun Exposure: Full sun

• Soil Type: Well-drained, moderately fertile soil

• Watering Needs: Moderate; avoid waterlogging

• Plant Height: 4–6 ft

• Germination Time: 7–14 days

• Planting Season:

  • USDA Zones 3–5: Sow outdoors from late April to early June

  • USDA Zones 6–8: Sow outdoors from March to May

  • USDA Zones 9–10: Sow outdoors from February to April or late September to October

• Blooming Season: Summer to early fall

• Optimal Temperature for Germination: 65–75°F

• Spacing: 12–18 inches apart

• Days to Maturity: 70–90 days