GROWER SUCCESS GUIDE | SEED FINISHING
Calendula COSTA ™ OP Calendula officinalis MEDIA pH/EC LIGHT LEVEL
DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM
PESTS
DISEASES
pH: 5.5–5.9 SME 0.9–1.3 mS/cm, PourThru EC: 1.4–2.0 mS/cm
4,000–6,000 foot candles Facultative long day
66–68 °F (19–20 °C)
52–54 °F (11–12 °C)
125–175 ppm N Packs | 1 ppp | 4–5 weeks
Whiteflies and Thrips
Powdery Mildew, Botrytis and Pythium
Large Packs | 1 ppp | 4–5 weeks 1 pt. | 1 ppp | 5–6 weeks 1 qt. | 1 ppp | 5–6 weeks 1.25 qt. | 1 ppp | 6–8 weeks 2.5 qt. | 1 ppp | 6–8 weeks 3 qt. | 2–3 ppp | 7–8 weeks 1.5 gal. pot | 3–4 ppp | 8–10 weeks
FINISH PGRs
TECH TIPS
High light, cool temperatures, and proper water management is the best way to control growth. Under warmer conditions, B-Nine ® WSG sprays at 2,500–3,500 ppm can be effective to prevent stretch.
Grow on the cool side. Calendulas are not recommended for fall crops where cool conditions cannot be maintained.
Celosia BRIGHT SPARKS ™ OP Celosia plumosa erecta MEDIA pH/EC LIGHT LEVEL
DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM
PESTS
DISEASES
pH: 5.8–6.2 SME 0.9–1.3 mS/cm, PourThru EC: 1.4–2.0 mS/cm
4,000–6,000 foot candles Facultative short day
68–70 °F (20–21 °C)
60–62 °F (16–17 °C)
125–175 ppm N 1 pt. | 1 ppp | 5–6 weeks 1 qt. | 1 ppp | 6–8 weeks
Spider Mites, Thrips and Aphids
Botrytis, Pythium and Powdery Mildew
1.25 qt. | 1 ppp | 7–9 weeks 2.5 qt. | 1 ppp | 7–9 weeks 3 qt. | 2–3 ppp | 6–7 weeks 1.5 gal. pot | 3–4 ppp | 6–7 weeks
FINISH PGRs
TECH TIPS
If grown in smaller containers or under suboptimal conditions, sprays of B-Nine ® WSG at 2,500 ppm are effective at reducing stem length and leaf size. Do not spray after buds have started to show color or flower size will be reduced.
Bright Sparks is a facultative short day variety and will flower faster under short days. If sowing under short days, it is vital to grow the plugs under a day length of at least 14 hours to promote sufficient vegetative growth before flowering.
Cleome SPARKLER ™ F1 Cleome hassleriana MEDIA pH/EC LIGHT LEVEL
DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM
PESTS
DISEASES
pH: 5.5–5.9 SME 2.3–2.8 mS/cm, Pourthru EC: 3.5–4.2 mS/cm
4,000–6,000 foot candles Facultative long day
76–78 °F (24–26 °C)
62–64 °F (17–18 °C)
200–250 ppm N 1.25 qt. | 1–2 ppp | 10–12 weeks 2.5 qt. | 1–2 ppp | 10–12 weeks
Fungus Gnats
Pythium, Powdery Mildew
FINISH PGRs
TECH TIPS
PGRs are necessary to control plant height and create a fuller plant. Recommended are three sprays of Bonzi ® at 25 ppm or B-Nine ® WSG at 5,000 ppm applied 7–10 days apart beginning two weeks after transplant. B-Nine ® WSG may delay flowering by 4–7 days. A Bonzi ® drench at 2–4 ppm when plant has reached desired height will help in preventing stretch at retail. Corn Ornamental FIELD OF DREAMS ™ F1 Zea mays MEDIA pH/EC LIGHT LEVEL
Fluctuating day/night temps will help improve germination. Cleome is a heavy feeder; start feeding in the plug about two weeks after sowing.
DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM
PESTS
DISEASES
pH: 5.8–6.2 SME 0.9–1.3 mS/cm, PourThru EC: 1.4–2.0 mS/cm
6,000–8,000 foot candles Day neutral
76–78 °F (24–26 °C)
62–64 °F (17–18 °C)
125–175 ppm N Large Packs | 1 ppp | 5–6 weeks 1 qt. | 2–3 ppp | 6–7 weeks 1.25 qt. | 3 ppp | 6–7 weeks 2.5 qt. | 3 ppp | 6–7 weeks 3 qt. | 3 ppp | 7–8 weeks 1.5 gal. pot | 3 ppp | 8–9 weeks
Aphids
Damping off (if soil is too wet)
FINISH PGRs
TECH TIPS
Florel ® and Bonzi ® can be applied used if necessary. Growth can also be successfully controlled by proper water management, high light levels, and cooler temperatures.
It is best to direct sow into the final container for best quality and fastest crop times. If direct sowing, use 3 seeds per pot. If sowing into a plug tray, do not use a tray smaller than a 128–cell. Also, do not let plugs become root-bound or growth may stall after transplant.
Cosmos APOLLO ™ OP Cosmos bipinnatus MEDIA pH/EC LIGHT LEVEL
DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM
PESTS
DISEASES
pH: 5.5–5.9 SME 0.9–1.3 mS/cm, PourThru EC: 1.4–2.0 mS/cm
4,000–6,000 foot candles Facultative short day
66–68 °F (19–20 °C)
60–62 °F (16–17 °C)
125–175 ppm N Packs | 1 ppp | 4–5 weeks
Aphids and Thrips. Powdery Mildew and Botrytis
Large Packs | 1 ppp | 4–5 weeks 1 pt. | 1 ppp | 6–7 weeks 1 qt. | 1 ppp | 6–7 weeks 1.25 qt. | 1 ppp | 7–8 weeks 2.5 qt. | 1 ppp | 7–8 weeks 3 qt. | 3–4 ppp | 6–7 weeks 1.5 gal. pot | 3–4 ppp | 7–8 weeks
FINISH PGRs
TECH TIPS
Containers 1 pint and larger, PGRs are usually not necessary. If needed, for pack production spray with B-Nine ® WSG at 2,500 to 5,000 ppm to help control plant height.
Cosmos will flower early under short days, so to allow bulking of the plug provide a 14 hour day length during propagating.
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