ANNUALS | SEED FINISHING
Brassica oleracea Ornamental Kale BRIGHT AND EARLY ™ FINISH PGRs B-Nine ® WSG foliar sprays at 2,500 to 5,000 ppm are recommended for height control. If using the lower rate, multiple B-Nine ® WSG applications may be required. Sumagic ® foliar sprays of 2 to 5 ppm may also be used. Bonzi ® drenches can be used to hold the crop at 1 ppm and repeated if warm temperatures persist.
TECH TIPS
Normal fertilization practices for floricultural crops at visible flower bud suggest that fertilization be discontinued or reduced significantly because plants require less nutrients for growth during flowering. When temperatures drop to less than 55 °F (13 °C), tissue coloration in ornamental kale intensifies, but nutrient deficiencies and lower leaf loss can be observed if clear water is applied for coloration purposes. Maintain a continuous 150 ppm nitrogen concentration and rely on cool night temperatures for coloration. Flower bud development and visible pollen (bolting stage) with ornamental kale does not occur until after a vernalization period.
Catharanthus roseus F1 Vinca BLOCKBUSTER ™ FINISH PGRs
TECH TIPS
If needed, sprays of B-Nine ® WSG at 2,500–5,000 ppm or A-Rest ® at 2–4 ppm may be applied.
Start with a disinfected growing area and keep media pH below 5.8 to help avoid Thielaviopsis infections. Control thrips to prevent INSV or TSWV infections. Do not try to finish vinca early in the North since the plants need high light and warm temperatures to grow adequately. PGRs are usually not required except in pack production. Never apply Bonzi ® to vinca as leaf spotting may occur. Follow a regimented fungicide rotation to protect against aerial Phytophthora and other diseases.
Catharanthus roseus F1 Vinca CORA ® CASCADE XDR FINISH PGRs
TECH TIPS
If needed, sprays of B-Nine ® WSG at 2,500–5,000 ppm or A-Rest ® at 2–4 ppm may be applied.
Start with a disinfected growing area and keep media pH below 5.8 to help avoid Thielaviopsis infections. Cora Cascade’s disease resistance is targeted to aerial Phytophthora which is a serious landscape disease in southern climates. It may have higher resistance to other diseases but is still susceptible to Thielaviopsis. Do not eliminate all fungicide applications; XDR indicates resistance, not immunity. Control thrips to prevent INSV or TSWV infections. Do not try to finish vinca early in the North since the plants need high light and warm temperatures to grow adequately. PGRs are usually not required except in pack production. Never apply Bonzi ® to vinca since leaf spotting may occur.
Catharanthus roseus F1 Vinca CORA ® CLASSIC FINISH PGRs
TECH TIPS
If needed, sprays of B-Nine ® WSG at 2,500–5,000 ppm or A-Rest ® at 2–4 ppm may be applied.
Start with a disinfected growing area and keep media pH below 5.8 to help avoid Thielaviopsis infections. Follow a regimented fungicide rotation to protect against aerial Phytophthora and other disease. Control thrips to prevent INSV or TSWV infections. Do not try to finish vinca early in the North since the plants need high light and warm temperatures to grow adequately. PGRs are usually not required except in pack production. Never apply Bonzi ® to vinca since leaf spotting may occur.
Catharanthus roseus F1 Vinca CORA ® XDR FINISH PGRs
TECH TIPS
If needed, sprays of B-Nine ® WSG at 2,500–5,000 ppm or A-Rest ® at 2–4 ppm may be applied.
Start with a disinfected growing area and keep media pH below 5.8 to help avoid Thielaviopsis infections. Cora ® XDR’s disease resistance is targeted to aerial Phytophthora which is a serious landscape disease in southern climates. It may have higher resistance to other diseases but is still susceptible to Thielaviopsis. Do not eliminate all fungicide applications; XDR indicates resistance, not immunity. Control thrips to prevent INSV or TSWV infections. Do not try to finish vinca early in the North since the plants need high light and warm temperatures to grow adequately. PGRs are usually not required except in pack production. Never apply Bonzi ® to vinca since leaf spotting may occur.
Catharanthus roseus OP Vinca SUNSTORM ® FINISH PGRs
TECH TIPS
If needed, sprays of B-Nine ® WSG at 2,500–5,000 ppm or A-Rest ® at 2–4 ppm may be applied.
Start with a disinfected growing area and keep media pH below 5.8 to help avoid Thielaviopsis infections. Control thrips to prevent INSV or TSWV infections. Do not try to finish Vinca early in the North since the plants need high light and warm temperatures to grow adequately. PGRs are usually not required except in pack production. Never apply Bonzi ® to vinca since leaf spotting may occur. Follow a regimented fungicide rotation to protect against aerial Phytophthora and other disease.
Celosia plumosa erecta OP Celosia BRIGHT SPARKS ™ FINISH PGRs
TECH TIPS
B-Nine ® WSG at 2,500 ppm are effective at reducing stem length and leaf size.
If plugs are budded at transplant, provide 14-hour days for at least 4 weeks to promote bulking of the plants. Keeping soil moist will help prevent premature flowering.
GROWER SUCCESS GUIDE 2026–2028
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