HOW TO GROW Zinnia Flower Seeds
- LOOSEN THE SOIL. Put the loosened soil into the pot.
- SOW THE SEEDS. After sowing the seeds, cover the surface with a thin layer of soil.
- WATER THE SEEDS. Water to moisten the soil. The seeds will germinate in about 3–4 days.
How to care for Zinnia Flower Seeds
Soil Moisture
Standard moisture level: 40–60%. Water daily to maintain moisture.
The optimal pH level for roses is 6–6.5 pH
Fertilizing
About 10–15 days after germination, apply diluted NPK fertilizer (15-15-15) every 2–3 weeks. When buds start forming, increase potassium for richer color and longer-lasting blooms
Pest & Disease Control
Zinnias can be affected by powdery mildew, rust, and aphids. Spray regularly with garlic–chili solution or biological pesticides. Space plants adequately for good airflow