PERENNIALS | SEED FINISHING
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 qt. | 1–2 ppp | 6–7 weeks 1 gal. | 3 ppp | 7–8 weeks 3 qt.–2 gal. 4–5 ppp | 7-8 weeks
Aphids, Thrips, Whiteflies
Botrytis, Pythium, Bacterial leaf spot (Pseudomonas cichorii)
If necessary, sprays of Bonzi ® at 10–15 ppm or B-Nine ® WSG at 2,500–5,000 ppm. Sumagic ® sprays at 3–5 ppm have also been found to be effective.
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 qt. | 1 ppp | 9–11 weeks 1 gal. | 1 ppp | 9–11 weeks 2 gal. | 2–3 ppp | 9–11 weeks
Aphids, Thrips, Whiteflies
Botrytis, Pythium, Fungal leaf spot
If needed, spray applications of Bonzi ® at 10–15 ppm of Sumagic ® at 5–10 ppm are effective early in the crop cycle. Apply a Bonzi ® drench at 2–3 ppm to hold size.
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 qt. | 1 ppp | 9–10 weeks 1 gal. | 2–3 ppp | 9–10 weeks 2 gal. | 3–5 ppp | 9–10 weeks
Aphids, Whiteflies
Powdery mildew, Pythium, Fungal leaf spot
If needed, sprays of Bonzi ® (paclobutrazol) at 10–15 ppm, or Sumagic ® at 5–10 ppm. To help hold plants, a Bonzi ® drench at 2–4 ppm can be applied at the sign of visible bud.
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N 2 qt. | 1–2 ppp | 9–10 weeks 1 gal. | 3 ppp | 9–10 weeks
Aphids, Whiteflies
Powdery mildew, Pythium If required, a combination spray of B-Nine ® WSG (daminozide) at 2,500 ppm plus Altercel ™ (chlormequat chloride) at 1,000 ppm, or Bonzi ® (paclobutrazol) spray at 15 ppm are effective.
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N 1 qt. | 1–2 ppp | 8–9 weeks 1 gal. | 3 ppp | 8–9 weeks
Aphids, Thrips, Whiteflies
Botrytis, Pythium
Plants will benefit from spray applications with one of the following PGRs: Bonzi ® (paclobutrazol) spray at 10–15 ppm, or Sumagic ® spray at 3–5 ppm.
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 gal. | 1 ppp | 9–10 weeks 2 gal. | 2–3 ppp | 9–10 weeks
Aphids, Leafminers
Botrytis
Bonzi ® (paclobutrazol) sprays at 10–15 ppm, or Sumagic ® sprays at 5 ppm can be used. Apply PGRs before flower spike begin to elongate. Drench with Bonzi ® at 2–4 ppm to hold plants for sale.
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 qt. | 1 ppp | 7–8 weeks 1 gal. | 1–2 ppp | 8–9 weeks
Aphids
Botrytis, Powdery mildew, Pythium
If necessary, a Bonzi ® (paclobutrazol) spray at 30 ppm can be used to control growth. Apply PGRs as the flower stalks are just beginning to elongate above the foliage. One to two applications applied seven days apart should provide adequate height control.
GROWER SUCCESS GUIDE 2024–2025
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