Colibri™ Calibrachoa are selected for a controlled growth habit making them ideal to finish in smaller containers. This series showcases large flowers and will flower at 10 ½ hours photoperiod for those early spring regions. The addition of Colibri™ Blizzard for the 2020 spring season brings the series to a total of ten varieties.
Crop Planning from stick (URC):
Pot Size Plants per pot (pp) Finish Time (weeks)
4” pot (10 cm) 1 pp 10 to 13
5” pot (13 cm) 1 pp 11 to 14
Pinch: No pinch is required.
Temperature Requirement: Warmer initial temperatures are recommended to establish the root system and develop plant for an expedited finish. Temperatures can be reduced the last two or three weeks to produce high quality plants.
Day – 70° to 75°F (21° to 24°C)
Night – 60° to 65°F (15° to 18°C)
Media and pH Requirements: Plant in a well-drained soil with a pH range of 5.4 to 5.7 and maintain an optimal EC of 0.8 to 1.25. Additional Iron (Fe) and Manganese (Mn) may be required to eliminate yellowing of youngest growth due to an elevated pH or alkaline soil. Maintain an even soil moisture during the entire crop.
Plant Growth Regulators (PGR): To reach the desired plant size at finish, spray B-9 (Daminozide) early in crop. Colibri™ should not require any PGR’s at finish but if they do, drench Bonzi (Paclobutrazol) at labeled rates three or four weeks prior to finishing. Spray applications of Bonzi (Paclobutrazol) are not recommended.
Pests and Diseases: Scout for Aphids and Thrips. Botrytis and Pythium/Phytophthora are of primary concern.