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First-Year-Flowering Scheduling Tool

Delphinium Red Lark
North: grown outdoor flowering window weeks 0-0
South: grown outdoor flowering window weeks 0-0
Spring-early summer
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
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.
summer-fall
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
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
Comments: This is a tissue culture raised item. Please see our detailed tissue culture propagation guide at darwinperennials.com.
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.