First-Year-Flowering Scheduling Tool
North: grown outdoor flowering window weeks 0-0
South: grown outdoor flowering window weeks 0-0
Long day facultative. Will flower faster early in the season using long day lighting. Southern growers and high light regions can finish Red Lark in 12-14 weeks.
50 plug or larger liners will finish a little faster.
NEW!
Delphinium Red Lark
| Suggested Container Size. |
| Container: |
1.5G to 2G (1) |
| Propagation Guide |
| Media EC/pH: |
5.8-6.2 |
| Soil Temperature: |
68-72°F (21-22°C) |
| Rooting Hormone: |
None |
| Mist: |
Low mist or tenting |
| Fertilization: |
Balanced fertilizer 75-100 ppm |
| Pinching: |
None |
|
|
| Finishing Guide |
| Media pH: |
5.8-6.2 |
| Temperature: |
Nights: 55 to 60°F (13 to 16°C) Days: 60 to 70°F (16 to 21°C) |
| Light Level (fc): |
5,000 to 8,000 |
| Vernalization: |
No |
| Watering: |
Allow media to dry moderately between watering. |
| Fertilization: |
Use a balanced fertilizer at a rate of 150 to 175 ppm N. |
| Pinch After Transplant: |
None |
| Plant Growth Regulators: |
PGRs generally not needed |
| Pests and Fungal Diseases: |
Watch for typical pests such as thrips, white fly, spider mites and aphids. |