Orange Single Zinnia Seeds 10 Seeds Zinnias do best in full sun. Soil: Well drained soils high in organic matter. Spacing: Plant zinnia seeds a few inches apart in rows or clumps. Thin to 8 to 18 inches apart, depending upon the variety, once the plant has grown four leaves. Family: Asteraceae Origin / Native : Mexico Flowers : Orange Blooms :Summer / Fall - Showy & Colorful Height: 24- 36 inches Good for: Borders, garden beds Popular: Garden flowers Annual Orange Single Zinnia Seeds