Description
Botanical name
Zinnia elegans
Family
Asteraceae
Spacing
Plant 15-46 cm (6-18″) apart.
Depth
6 mm (¼”)
Requirements
Full sun. Loamy, sandy soil. Soil pH 5.5-7.5.
Germination
Seeds will sprout in 4-7 days
Pests
Bacterial and fungal spots, powdery mildew, and bacterial wilt may affect zinnias. Minimize wetting of foliage to avoid disease. Caterpillars, mealybugs, and spider mites can also be problems.
Timing
Sow indoors in March for outdoor planting in April after last frost.
Growing
Cultivate or mulch to control weeds. Water the soil well during dry weather, avoid overhead watering.
Harvest
60-70 days from seed to flower
Season
Warm, annual
