2023 Success Guide Annuals | Americas

SEED PROPAGATION

Viola PENNY ™ F1 Viola cornuta REC TRAY FORMS

PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288-cell tray pH: 5.5–5.9 SME 0.9–1.3 mS/cm Comments: Keep media pH below 5.8 to help avoid Thielaviopsis infections. Under hot temperatures provide lower light levels to reduce heat stress. Also, if very frequent irrigation occurs due to high temperatures, apply a supplemental feed of Solubor ® to avoid boron deficiency. Raw, Primed 4–5 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination

Wallflower SUGAR RUSH ™ F1 Cheiranthus cheiri REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288-cell tray

Raw

4–5 weeks

1

Yes

9–10 days

68–72 °F (20–22 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: To help prevent stretch and floppiness, sprench with Bonzi ® at 1 ppm during seedling emergence.

Zinnia MAGELLAN ™ / SWIZZLE ™ / UPROAR ™ / ZOWIE! ™ F1 Zinnia elegans REC TRAY FORMS PLUG TIME SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288-cell tray

Detailed, SatinCoat ™

2–3 weeks

1

Yes

1 day

70–75 °F (21–24 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: Transplant Zinnias on time. Stress in the plug can lead to premature flowering. Postiva ™ is recommended for bacterial foliage control, like bacterial leaf spot (BLS).

Zinnia SHORT STUFF ™ F1 Zinnia elegans REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288-cell tray

SatinCoat ™

2–3 weeks

1

Yes

1 day

70–75 °F (21–24 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: Transplant Zinnias on time. Stress in the plug can lead to premature flowering. Postiva ™ is recommended for bacterial foliage control, like bacterial leaf spot (BLS).

Zinnia ZYDECO ™ OP Zinnia marylandica REC TRAY FORMS

PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288-cell tray

SatinCoat ™

2–3 weeks

1

Yes

1 day

70–75 °F (21–24 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: Transplant Zinnias on time. Stress in the plug can lead to premature flowering. Postiva ™ is recommended for bacterial foliage control, like bacterial leaf spot (BLS).

GROWER SUCCESS GUIDE 2023-2024 | ANNUALS

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