SEED PROPAGATION
Vinca SUNSTORM ® OP Catharanthus roseus REC TRAY FORMS PLUG TIME
SEEDS/CELL SEED COVER GERM TIME
SOIL TEMP
GERM LIGHT
MEDIA pH/EC
288-cell tray
Raw
5 weeks
1
Yes
7–8 days
76–78 °F (24–25 °C)
Not required for germination pH: 5.5–5.9
SME 0.9–1.3 mS/cm
Comments: Soil temperatures lower than 75 °F (23 °C) during germination may decrease germination rates. Keeping media pH at 5.8 or lower will help reduce the likelihood of Thielaviopsis infections.
Viola DELTINI ™ 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, PreNova ™ 2.0 4–5 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination
Viola ENDURIO ® 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. PreNova ™ 2.0 4–5 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination
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, PreNova ™ 2.0 4–5 weeks 1 Yes 5 days 65–68 °F (18–20 °C) Required for germination
Viola TIGER EYE ™ 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. 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 ™ 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.
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.
Zinnia SWIZZLE ™ 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.
G R O W E R S U C C E S S G U I D E 2 0 2 2 – 2 0 2 3 | A N N U A L S
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