Zinnia – California Giant Mix

Zinnia – California Giant Mix

• Growing Temp 70°F – 90°F

• Days to Maturity 70-90 days

Ease of Cultivation and uses: The ‘California Giant Mix’ zinnia is a popular variety known for its large, vibrant blooms and robust growth. This flower is relatively easy to cultivate, making it an excellent choice for both beginner and experienced gardeners. It thrives in warm temperatures and can add bold color to borders, flower beds, and even as cut flowers for arrangements, making it a versatile addition to any garden.

Direct Sowing: For direct sowing, plant ‘California Giant Mix’ zinnia seeds outdoors after the last frost date, when soil temperatures are consistently above 70°F. Sow the seeds ¼ inch deep and space them 12–18 inches apart to allow for their large size. Water the seeds well after planting, and keep the soil consistently moist until germination, which typically occurs within 7–14 days. Once established, zinnias are drought-tolerant and require minimal care, making them perfect for low-maintenance gardens.

Early Sowing for Seedlings: To get a jump start on the growing season, sow seeds indoors 4–6 weeks before the last expected frost. Use seedling trays filled with a high-quality potting mix, placing one seed per cell and covering it lightly with soil. Maintain a temperature of around 70°F to promote germination. Once seedlings have their first true leaves and the threat of frost has passed, transplant them into the garden or larger containers, spacing them 12–18 inches apart. Water well after transplanting to ensure healthy root development.

Harvesting: To know when to harvest ‘California Giant Mix’ zinnias, look for flowers that are fully open and vibrant. Cut the stems in the morning when the blooms are dry to ensure maximum freshness. Regular harvesting of spent flowers encourages the plants to produce more blooms, providing a continuous display of color throughout the summer. These zinnias are excellent for cut flower arrangements, adding a cheerful and bold touch to your home.