2024 Grower Success Guide | Americas

ANNUALS | SEED FINISHING

Begonia × hybrida F1 Begonia Interspecific TOPHAT ™ MEDIA pH/EC LIGHT LEVEL

DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM

PESTS

DISEASES

pH: 5.5–5.9 SME 1.5–2.1 mS/cm, PourThru EC: 2.3–3.2 mS/cm

800–1,200 µmol·m -2 ·s -1

Day neutral

66–68 °F (19–20 °C)

64–66 °F (18–19 °C)

125–175 ppm N Large Packs | 1 ppp | 4–5 weeks 1 pt. | 1 ppp | 4–5 weeks 1 qt. | 1 ppp | 4–5 weeks

Aphids, Thrips

Botrytis

1.25 qt. | 1 ppp | 5–6 weeks 2.5 qt. | 1 ppp | 5–6 weeks 3 qt. | 2–3 ppp | 6–7 weeks 1.5 gal. HB | 3 ppp | 7–8 weeks 2 gal. HB | 3 ppp | 7–8 weeks

Begonia semperflorens F1 Begonia BADA BING ® / BADA BOOM ® MEDIA pH/EC LIGHT LEVEL

DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM

PESTS

DISEASES

pH: 5.5–5.9 SME 1.5–2.1 mS/cm, PourThru EC: 2.3–3.2 mS/cm

800–1,200 µmol·m -2 ·s -1

Day neutral

66–68 °F (19–20 °C)

64–66 °F (18–19 °C)

125–175 ppm N Packs | 1 ppp | 4–5 weeks

Aphids, Thrips

Botrytis

Large Packs | 1 ppp | 4–6 weeks 1 pt. | 1 ppp | 5–6 weeks 1 qt. | 1–2 ppp | 5–6 weeks 1.25 qt. | 3 ppp | 5–7 weeks 2.5 qt. | 3 ppp | 5–7 weeks 1.5 gal. HB | 5–6 ppp | 7–8 weeks

Begonia semperflorens F1 Begonia EUREKA ™ MEDIA pH/EC LIGHT LEVEL

DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM

PESTS

DISEASES

pH: 5.5–5.9 SME 1.5–2.1 mS/cm, PourThru EC: 2.3–3.2 mS/cm

800–1,200 µmol·m -2 ·s -1

Day neutral

66–68 °F (19–20 °C)

64–66 °F (18–19 °C)

125–175 ppm N Packs | 1 ppp | 5–6 weeks

Aphids, Thrips

Botrytis

Large Packs | 1 ppp | 5–6 weeks 1 pt. | 1 ppp | 5–6 weeks 1 qt. | 1–2 ppp | 6–7 weeks 1.25 qt. | 3 ppp | 6–8 weeks 2.5 qt. | 3 ppp | 6–8 weeks 1.5 gal. HB | 5–6 ppp | 8–9 weeks

Begonia semperflorens F1 Begonia TOPSPIN ™ MEDIA pH/EC LIGHT LEVEL

DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM

PESTS

DISEASES

pH: 5.5–5.9 SME 1.5–2.1 mS/cm, PourThru EC: 2.3–3.2 mS/cm

800–1,200 µmol·m -2 ·s -1

Day neutral

66–68 °F (19–20 °C)

64–66 °F (18–19 °C)

125–175 ppm N Packs | 1 ppp | 4–5 weeks 1 pt. | 1 ppp | 5–6 weeks

Aphids, Thrips

Botrytis

1 qt. | 1–2 ppp | 5–6 weeks 1.25 qt. | 3 ppp | 5–7 weeks 2.5 qt. | 3 ppp | 5–7 weeks 1.5 gal. HB | 5–6 ppp | 7–8 weeks

Begonia tuberhybrida Begonia LIMITLESS ™ 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

800–1,200 µmol·m -2 ·s -1

Obligate short day

62–64 °F (17–18 °C)

60–62 °F (16–17 °C)

75–125 ppm N Packs | 1 ppp | 8–10 weeks 1 pt. | 1 ppp | 8–10 weeks 1 qt. | 1 ppp | 10–12 weeks

Aphids, Thrips

Pythium, Rhizoctonia, Botrytis, Powdery mildew, INSV, TSWV

1.25 qt. | 1–2 ppp | 10–12 weeks 2.5 qt. | 1–2 ppp | 10–12 weeks 3 qt. | 3–5 ppp | 11–12 weeks 1.5 gal. HB | 3–5 ppp | 11–12 weeks 2 gal. HB | 4–5 ppp | 11–12 weeks

Calendula officinalis OP Calendula COSTA ™ 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

800–1,200 µmol·m -2 ·s -1

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

Thrips, Whiteflies Powdery mildew, Botrytis, 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

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