GROWER SUCCESS GUIDE | SEED PROPAGATION
Verbena OBSESSION ™ CASCADE OP Verbena hybrida REC TRAY FORMS PLUG TIME
SEEDS/CELL SEED COVER GERM TIME
SOIL TEMP
GERM LIGHT
MEDIA pH/EC
288–cell tray
Raw, Primed
6–7 weeks
1
Yes
4–7 days
73–76 °F (23–24 °C)
Not required for germination pH: 5.5–5.9
SME 0.5–0.75 mS/cm Comments: Verbena need to be germinated on the dry side at moisture level 3. It is best to water in plug trays to moisture level 3 prior to sow, sow the seeds and then irrigate lightly only when needed to maintain moisture level 3.
Verbena TUSCANY ® OP Verbena hybrida REC TRAY FORMS PLUG TIME
SEEDS/CELL SEED COVER GERM TIME
SOIL TEMP
GERM LIGHT
MEDIA pH/EC
288–cell tray
Raw, Primed
6–7 weeks
1
Yes
4–7 days
73–76 °F (23–24 °C)
Not required for germination pH: 5.5–5.9
SME 0.5–0.75 mS/cm Comments: Verbena need to be germinated on the dry side at moisture level 3. It is best to water in plug trays to moisture level 3 prior to sow, sow the seeds and then irrigate lightly only when needed to maintain moisture level 3.
Vinca BLOCKBUSTER ™ 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 germindation
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 ® CASCADE 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 ® 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
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
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