SEED PROPAGATION
Vinca CORA ® CLASSIC F1 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.
Vinca CORA ® XDR F1 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.
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.
Vinca VITESSE ™ F1 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
75–78 °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 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 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 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 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: It is important to treat with Bonzi ® early in the plug cycle, as stated above to help create a stronger main stem.
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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