Finishing
Scheduling
Temperature Day: 64–66 °F (18–19 °C) Night: 64–66 °F (18–19 °C) Average daily temperature: 65 °F (18.5 °C) Lighting Day extension lighting: Beneficial to 14 hours Light intensity: 4,000–6,000 foot candles (800–1,200 µmol·m -2 ·s -1 )
SIZE
CROP TIME PLANTS PER POT
Packs
4–5 weeks
1 ppp
Large Packs
5–6 weeks 1 ppp
1.0 pint ( 4 inch )
5–6 weeks 1 ppp
1.0 quart (4.5 to 5 inch)
5–6 weeks 1 ppp
1.25 to 2.5 quart (5.5 to 6.5 inch, trade gallon) 1.5 gallon hanging basket (10 inch basket)
5–6 weeks 2–3 ppp
Day length response: Facultative long day Daily light integral (DLI): 12–14 mol·m -2 ·d -1
5–7 weeks
5–6 ppp
Transplanting: Transplant directly into the finished container. Place the rooting media slightly below the level of media in the container. Make sure that the root ball is covered and that the plug is situated in the center of the pot. Media pH: 5.5–5.9 Media EC: SME EC: 0.9–1.3 mS/cm, PourThru EC: 1.4–2.0 mS/cm Fertilizer: 75–125 ppm N Pinching: No. Pinching is not recommended or needed. Plant growth regulators (PGRs): Usually not required if growing cool. If conditions are warmer or darker than ideal, choose one of the following sprays: Bonzi ® at 5–15 ppm, Sumagic ® at 1–6 ppm, or B-Nine ® WSG at 2,500–5,000 ppm. Use lower rates in Northern climates and higher rates in Southern climates. Tech tip: Keep media pH below 5.8 to help avoid Thielaviopsis infections. Under hot temperatures, provide lower light levels to reduce heat stress. Do not hold Pansy plugs—transplant before plugs get root bound. Malformed and puckered leaves indicate calcium or boron deficiencies. To prevent this, fertilize with plug special (13–2–13) or a Cal-Mag ® Plus fertilizer (14–4–14). Boron deficiencies can be distinguished by tip abortion, upper leaf stunting, puckering and thickening of leaves, along with shortened internodes and/or a gnarled mass of lateral shoots. Boron deficiency is more prevalent during warm weather with frequent watering. A borax or Solubor® drench will help overcome these problems. Increase airflow to help prevent calcium or boron deficiencies.
Estimated finish crop time is from transplant of a 288-cell tray and finished at an average daily temperature (ADT) of 65 °F (18.5 °C).
Example crop schedule for a large pack
WEEKS FROM TRANSPLANT
DESCRIPTION
1 week
Drench with preventative fungicide
Spray with B-Nine ® WSG at 2,500–5,000 ppm if needed Spray with B-Nine ® WSG at 2,500–5,000 ppm if needed
2 weeks
4 weeks
6 weeks
Finish
Delta ™ Pro Tricolor Mix
Try Chrysal Alesco ® , a postharvest foliar spray, to protect ethylene sensitive crops during shipping and retail.
Moisture level: Media should be allowed to dry between irrigations. Alternate between moisture level 2 and 4. 2 - MEDIUM: Soil is light brown in color, no water can be extracted from soil, and soil will crumble apart. 4 - WET: Soil is dark brown but not shiny, no free water is seen at the surface of the soil, when pressed or squeezed water drips easily, and trays are heavy with a visible bend in the middle. Common pests: Aphids, Thrips Common diseases: Alternaria, Downy mildew, Thielaviopsis, Cercospora, Botrytis
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