2026-2028 Grower Success Guide

ANNUALS | SEED FINISHING

Helianthus annuus Sunflower SUNFINITY ® MEDIA pH/EC LIGHT LEVEL

DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER FINISHING PROGRAM

PESTS

DISEASES

pH: 5.5–6 SME 1.2–1.75 mS/cm PourThru EC: 2.3–3.2 mS/cm

700–900 µmol·m -2 ·s -1

Facultative long day

70–75 °F (21–24 °C)

65–68 °F (18–20 °C)

150–200 ppm N 2.5 qt. | 1 ppp | 7–8 weeks 3 qt. | 1 ppp | 7–8 weeks

Aphids, Spider mites, Thrips,

Botrytis, Pythium, Powdery mildew, Downy mildew, Rust

1.5 gal. pot | 1–2 ppp | 7–8 weeks

Whiteflies, Caterpillars

Impatiens hawkeri F1 Impatiens New Guinea FLORIFIC ® 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

400–800 µmol·m -2 ·s -1

Day neutral

76–78 °F (24–26 °C)

66–68 °F (19–20 °C)

75–125 ppm N Large Packs | 1 ppp | 7–9 weeks 1 pt. | 1 ppp | 7–9 weeks 1 qt. | 1 ppp | 7–9 weeks

Fungus gnats, Spider mites, Thrips

Botrytis, Pythium, Rhizoctonia, Tomato Spotted Wilt Virus, Impatiens Necrotic Spot Virus. Florific New Guinea Impatiens are highly resistant to Impatiens downy mildew.

1.25 qt. | 1–2 ppp | 7–9 weeks 2.5 qt. | 2–3 ppp | 8–10 weeks 1.5 gal. HB | 3–5 ppp | 8–10 weeks

Impatiens walleriana F1 Impatiens ACCENT ™ 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

400–800 µmol·m -2 ·s -1

Day neutral

72–74 °F (22–23 °C)

62–64 °F (17–18 °C)

75–125 ppm N Packs | 1 ppp | 5–6 weeks

Thrips, Fungus gnats, Aphids, Spider mites

Impatiens downy mildew, Pythium root rot, Botrytis blight, INSV, TSWV, Pseudomonas, Rhizoctonia, Alternaria leaf spot

Large Packs | 1 ppp | 5–6 weeks 1 pt. | 1 ppp | 6–7 weeks 1 qt. | 1–2 ppp | 6–7 weeks 1.25 qt. | 2–3 ppp | 7–8 weeks 2.5 qt. | 3–4 ppp | 7–8 weeks 3 qt. | 5–7 ppp | 9–10 weeks 1.5 gal. HB | 5–7 ppp | 9–10 weeks 1.5 gal. pot | 5–7 ppp | 9–10 weeks

Impatiens walleriana F1 Impatiens ACCENT ™ PREMIUM 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

400–800 µmol·m -2 ·s -1

Day neutral

72–74 °F (22–23 °C)

62–64 °F (17–18 °C)

75–125 ppm N Packs | 1 ppp | 5–6 weeks

Thrips, Fungus gnats, Aphids, Spider mites

Impatiens downy mildew, Pythium root rot, Botrytis blight, INSV, TSWV, Pseudomonas, Rhizoctonia, Alternaria leaf spot

Large Packs | 1 ppp | 5–6 weeks 1 pt. | 1 ppp | 6–7 weeks 1 qt. | 1–2 ppp | 6–7 weeks 1.25 qt. | 2–3 ppp | 7–8 weeks 2.5 qt. | 3–4 ppp | 7–8 weeks 3 qt. | 5–7 ppp | 9–10 weeks 1.5 gal. HB | 5–7 ppp | 9–10 weeks 1.5 gal. pot | 5–7 ppp | 9–10 weeks

Impatiens walleriana F1 Impatiens ATHENA ™ 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

400–800 µmol·m -2 ·s -1

Day neutral

72–74 °F (22–23 °C)

62–64 °F (17–18 °C)

75–125 ppm N Large Packs | 1 ppp | 5–6 weeks 1 pt. | 1 ppp | 5–6 weeks 1 qt. | 1 ppp | 6–7 weeks

Thrips, Fungus gnats, Aphids, Spider mites

Impatiens downy mildew, Pythium root rot, Botrytis blight, INSV, TSWV, Pseudomonas, Rhizoctonia and Alternaria leaf spot

1.25 qt. | 1–3 ppp | 7–8 weeks 2.5 qt. | 1–3 ppp | 7–8 weeks 3 qt. | 5–7 ppp | 8–10 weeks 1.5 gal. HB | 5–7 ppp | 8–10 weeks 1.5 gal. pot | 5–7 ppp | 8–10 weeks 2 gal. HB | 5–7 ppp | 8–10 weeks

Impatiens walleriana F1 Impatiens IMARA ® XDR 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

400–800 µmol·m -2 ·s -1

Day neutral

72–74 °F (22–23 °C)

62–64 °F (17–18 °C)

75–125 ppm N Packs | 1 ppp | 4–5 weeks

Thrips, Fungus gnats, Aphids, Spider mites

Pythium root rot, Botrytis blight, INSV, TSWV, Pseudomonas, Rhizoctonia, Alternaria leaf spot

Large Packs | 1 ppp | 4–5 weeks 1 pt. | 1 ppp | 6–7 weeks 1 qt. | 1–2 ppp | 6–7 weeks 1.25 qt. | 1–3 ppp | 7–8 weeks 2.5 qt. | 3–4 ppp | 7–8 weeks 3 qt. | 5–7 ppp | 9–10 weeks 1.5 gal. HB | 5–7 ppp | 9–10 weeks 1.5 gal. pot | 5–7 ppp | 9–10 weeks

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