Cosmos sulphureus Cosmic Mix (Benary)
- Floriferous with round shaped plant habit
Plants for the border, attractive pot plants with intense color.
2-3 seeds per plug, can be sown directly into final pot
Germinates in 5-8 days at 65-70 °F (18-21 °C). Cover seed after sowing.
Transplant plugs after 4-5 weeks. Grow on at temperatures of 60-65 °F (15-18 °C).
Use a well-drained, growing substrate with 20-30 % clay, 1-2 kg/m³ complete balanced fertilizer, iron-chelate, micronutrients, pH: 5.5-5.8.
Grow at 15-17 °C or outdoors. Cosmos does not tolerate frost.
Moderate fertilization levels are required. Fertilize the crop weekly with 100-150 ppm nitrogen, using a complete balanced fertilizer. Avoid high ammonium and high nitrogen levels.