Production ScheduleAlthough production practices may vary statewide, there are some "basic" guidelines in producing a Christmas crop of poinsettias. The following is a brief outline for 6" pinched plants in the 8-9 week response group:
Day to Finish Date Optimum Night Temp. F Comments 98 9/1 67 Pan rooted cuttings, drench with fungicide, apply granular insecticide. 84 9/14 67 Pinch to 4-6 nodes. 77 9/21 62-64 Apply growth regulator. 68 9/30 67 Drench with fungicide. 50 10/18 67 Shoots should be one half of final length. If too tall apply growth regulator. 40 10/28 67 Plants should begin to show color. 37 10/31 65 Drench with fungicide, watch for Botrytis. 21 11/15 65 Adjust night temperature to accelerate or slow growth. 7 12/1 62 Stop fertilizing to avoid bract burn. 0 12/7 62 Sale date Note: Guidelines may vary according to location, environmental conditions and/or stage of growth.
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