2021-2022 Grower Success Guide | NA

SEED PROPAGATION

Nicotiana PERFUME ™ F1 Nicotiana × sandrea REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288-cell tray

Pelleted

4–5 weeks

1

No

3–5 days

70–75 °F (21–24 °C)

Required for germination

pH: 5.5–5.9 SME 0.9–1.3 mS/cm

Comments: Cool days with high light will reduce the need to apply PGRs.

Nicotiana SARATOGA ™ F1 Nicotiana × alata REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288-cell tray

Pelleted

4–5 weeks

1

No

3–5 days

70–75 °F (21–24 °C)

Required for germination

pH: 5.5–5.9 SME 0.9–1.3 mS/cm

Comments: Cool days with high light will reduce the need to apply PGRs.

Osteospermum ASTI ™ F1 Osteospermum ecklonis 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

8–12 days

68–70 °F (21–22 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm Comments: It is very important to spray the plugs with Cycocel ® at 300 ppm about 10 days after sowing to help reduce hypocotyl stretch. Shorter hypocotyls will result in a stronger central stem after transplant and will reduce floppiness in the finished plant.

Pansy COLOSSUS ™ F1 Viola × wittrockiana 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. Do not hold Pansy plugs - transplant before plugs get root bound. Raw, PreNova 5–6 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination

Pansy DELTA ™ F1 Viola × wittrockiana 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. Do not hold Pansy plugs - transplant before plugs get root bound. Raw, PreNova 5–6 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination

Pansy DELTA ™ PREMIUM F1 Viola × wittrockiana 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. Do not hold Pansy plugs - transplant before plugs get root bound. Raw, PreNova 5–6 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination

Pansy DELTA ™ SPEEDY F1 Viola × wittrockiana 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. Do not hold Pansy plugs - transplant before plugs get root bound. Raw, PreNova 5–6 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination

Pansy Spreading FREEFALL ™ F1 Viola × wittrockiana 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. Primed 4–5 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination

Pansy Spreading FREEFALL ™ XL F1 Viola × wittrockiana 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. If frequent irrigation occurs due to high temperatures, apply a supplemental feed of Solubor ® to avoid Boron deficiency. Primed 4–5 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination

G R O W E R S U C C E S S G U I D E 2 0 2 1 – 2 0 2 2 | A N N U A L S

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