Grower Success Guide 2020-2021 | North America

GROWER SUCCESS GUIDE | SEED PROPAGATION

Marigold African INCA II ™ F1 Tagetes erecta REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288–cell tray

Detailed, SatinCoat ™

4–5 weeks

1

Yes

3–5 days

72–75 °F (22–24 °C)

Not required for germination pH: 6.1–6.5

SME 0.5–0.75 mS/cm

Comments: Easy to germinate on the bench. Maintain media pH above 6.2 to avoid iron/manganese toxicity. Short days will shorten time to flower.

Marigold African PERFECTION ™ F1 Tagetes erecta REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288–cell tray

Detailed, SatinCoat ™

4–5 weeks

1

Yes

3–5 days

72–75 °F (22–24 °C)

Not required for germination pH: 6.1–6.5

SME 0.5–0.75 mS/cm

Comments: Easy to germinate on the bench. Maintain media pH above 6.2 to avoid iron/manganese toxicity. Short days will shorten time to flower.

Marigold French Anemone ALUMIA ™ OP Tagetes patula nana REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288–cell tray

Detailed, SatinCoat ™

3–4 weeks

1

Yes

3–5 days

68–72 °F (20–22 °C)

Not required for germination pH: 5.8–6.2

SME 0.5–0.75 mS/cm Comments: Very easy to germinate on the bench. If seedlings get stretched, they can be planted deep at transplanting, and new roots will form along the stems. Do not hold too long in the plug tray or stress-induced flower- ing may occur, and plants will flower before bulking up to a satisfactory size.

Marigold French Dwarf Crested HAPPY ™ OP Tagetes patula nana REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288–cell tray

Detailed, SatinCoat ™

3–4 weeks

1

Yes

3–5 days

68–72 °F (20–22 °C)

Not required for germination pH: 5.8–6.2

SME 0.5–0.75 mS/cm Comments: Very easy to germinate on the bench. If seedlings get stretched, they can be planted deep at transplanting, and new roots will form along the stems. Do not hold too long in the plug tray or stress-induced flower- ing may occur, and plants will flower before bulking up to a satisfactory size.

Marigold Triploid ZENITH ™ F1 Tagetes triploid REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288–cell tray

Coated, Detailed

3–4 weeks

1

Yes

3–5 days

68–72 °F (20–22 °C)

Not required for germination pH: 5.8–6.2

SME 0.5–0.75 mS/cm Comments: Very easy to germinate on the bench. If seedlings get stretched, they can be planted deep at transplanting, and new roots will form along the stems. Do not hold too long in the plug tray or stress-induced flower- ing may occur, and plants will flower before bulking up to a satisfactory size.

Mimulus MAGIC ™ F1 Mimulus × hybrida 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

5–7 days

65–68 °F (18–20 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: Provide day extension lighting to 14 hours under short days using mum type lights (10 foot candles). Using HID lights can promote too early of flowering.

Mimulus MAXIMUS ™ F1 Mimulus × hybrida 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

5–7 days

65–68 °F (18–20 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: Provide day extension lighting to 14 hours under short days using mum type lights (10 foot candles). Using HID lights can promote too early of flowering.

Nemesia PRETTY PLEASE ™ F1 Nemesia foetens REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288–cell tray

Pelleted

4 weeks

1

Yes

3–5 days

68–72 °F (20–22 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: High light and cool night temperatures will result in the best quality plug.

Nemesia SEVENTH HEAVEN ™ F1 Nemesia foetens REC TRAY FORMS PLUG TIME

SEEDS/CELL SEED COVER GERM TIME

SOIL TEMP

GERM LIGHT

MEDIA pH/EC

288–cell tray

Pelleted

4 weeks

1

Yes

3–5 days

68–72 °F (20–22 °C)

Not required for germination pH: 5.5–5.9

SME 0.5–0.75 mS/cm

Comments: High light and cool night temperatures will result in the best quality plug.

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