PERENNIALS | VEGETATIVE PROPAGATION
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
4–5 weeks
72–75 °F (22–24 °C) for the first three weeks
Begin fertilization at 80 ppm N when roots become visible. Rates can be increased up to 150 ppm N after roots become well developed.
B-Nine ® WSG spray at 2,500–5,000 ppm can be used if needed.
First Year Flowering
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
6–7 weeks
70–72 °F (21–22 °C) for the first three weeks
Begin fertilization at 75 ppm N when roots become visible. Rates can be increased up to 100 ppm N after roots become well developed.
Pinching is recommended; option to pinch after transplant.
First Year Flowering
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
7–8 weeks
70–72 °F (21–22 °C) for the first three weeks
Begin fertilization at 80 ppm N when roots become visible. Rates can be increased up to 150 ppm N after roots become well developed.
Cold Required
37–40 °F (3–4 °C); Avoid pinching after the first week in September to avoid cutting off the next years flowers.
7–8 weeks
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
4–5 weeks
70–72 °F (21–22 °C) for the first three weeks
Begin fertilization at 50 ppm N when roots become visible. Rates can be increased up to 75 ppm N after roots become well developed.
First Year Flowering
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
5–6 weeks
70–72 °F (21–22 °C) for the first three weeks
Begin fertilization at 50 ppm N when roots become visible. Rates can be increased up to 75 ppm N after roots become well developed.
To help minimize the need to mist and still keeping the humidity high tenting of the trays has been shown to be helpful.
First Year Flowering
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
5–6 weeks
70–72 °F (21–22 °C) for the first three weeks
Begin fertilization at 50 ppm N when roots become visible. Rates can be increased up to 75 ppm N after roots become well developed.
To help minimize the need to mist and still keeping the humidity high tenting of the trays has been shown to be helpful; If necessary, a B-Nine ® WSG spray at 2,500 ppm can be applied.
Cold Required
37–45 °F (3–7 °C); Allow media to dry moderately between thorough waterings.
7-8 weeks
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
6–7 weeks
70–72 °F (21–22 °C) for the first three weeks
Begin fertilization at 50 ppm N when roots become visible. Rates can be increased up to 100 ppm N after roots become well developed.
To help minimize the need to mist and still keeping the humidity high tenting of the trays has been shown to be helpful; If necessary, spray B-Nine ® WSG at 1,500–2,000 ppm.
First Year Flowering
VERNALIZATION REQUIREMENT CULTURE REQUIREMENT PLUG TIMING
PROP TIME BOTTOM HEAT
FERTILIZER
YOUNG PLANT COMMENTS
4–5 weeks
68–70 °F (20–21 °C) for the first three weeks.
Begin fertilization at 100 ppm N when roots become visible. Rates can be increased up to 200 ppm N after roots become well developed.
Cold Beneficial
Growing cool at 45 °F (7 °C) will ensure a uniform flowering crop.
6–7 weeks
GROWER SUCCESS GUIDE 2024–2025
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