Zinnia Seeds – Double Mixed

Bring vibrant, long-lasting color to your garden with Zinnia Seeds – Double Mixed, a classic heirloom blend cherished by home gardeners across the USA. These high-performing, non-GMO seeds produce fully double, multi-colored blooms that stand out beautifully in beds, borders, and cutting gardens. Easy to grow and loved for their bold display, these zinnias thrive in warm weather and attract beneficial pollinators, making them a must-have for any summer landscape.

Zinnias are known for their fast growth, abundant flowering, and ability to withstand heat, making them ideal for both beginner and seasoned gardeners.

Features

• Heirloom double-flower blend with vibrant mixed colors

• Non-GMO seeds with strong germination

• Ideal for borders, beds, containers, and cut-flower gardens

• Attracts butterflies and other pollinators

• Heat-tolerant and easy to grow

• Long-lasting summer blooms

Specifications

• Common Name (US): Zinnia

• Seed Type: Heirloom, non-GMO

• Variety: Double Mixed

• Plant Height: 18–36 inches

• Bloom Time: Summer to early fall

• Season:

  • Sowing: Spring to early summer

  • Flowering: Summer through frost

• USDA Hardiness Zones: Grows as an annual in Zones 2–11

• Sun Requirement: Full sun

• Soil: Well-drained, moderately fertile soil

• Sowing Method: Direct sow after frost or start indoors 4–6 weeks before last frost

• Days to Germination: 7–14 days

• Days to Maturity: 60–70 days

• Spacing: 8–12 inches apart

• Ideal Planting Months (US):

  • Indoors: February–April

  • Outdoors: April–June