PERENNIALS | SEED FINISHING
Coreopsis grandiflora Tickseed ANDIAMO ® VERNALIZATION
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
DAY LENGTH
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING First Year Flowering
pH: 5.8–6.2 EC: SME EC: 1.5–2.1 mS/cm PourThru EC: 2.3–3.2 mS/cm
Obligate long day
68–70 °F (20–21 °C)
62–64 °F (17–18 °C)
Tech Tips: PGR applications are more effective if applied early in the crop cycle.
Delphinium elatum Larkspur DELPHINA ™
VERNALIZATION
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
DAY LENGTH
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING First Year Flowering
pH: 6.1–6.5 EC: SME EC: 0.9–1.3 mS/cm PourThru EC: 1.4–2.0 mS/cm
Facultative long day 66–68 °F (19–20 °C)
56–58 °F (13–14 °C)
Tech Tips: Be careful not to overwater to Delphina ™ . If keep too wet the plants tend to show fertility deficiency symptoms.
Delphinium elatum Larkspur EXCALIBUR ™ VERNALIZATION
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
DAY LENGTH
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING First Year Flowering
pH: 6.1–6.5 EC: SME EC: 0.9–1.3 mS/cm PourThru EC: 1.4–2.0 mS/cm
Facultative long day 66–68 °F (19–20 °C)
62–64 °F (17–18 °C)
Tech Tips: Excalibur ™ Delphinium is best used in gal.lon containers and larger. Keep feed levels up throughout production to produce nice full plants.
Delphinium grandiflorum Larkspur HUNKY DORY ™ VERNALIZATION
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
DAY LENGTH
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING First Year Flowering
pH: 5.8–6.2 EC: SME EC: 1.5–2.1 mS/cm PourThru EC: 2.3–3.2 mS/cm
Day neutral
66–68 °F (19–20 °C)
58–60 °F (14–16 °C)
Tech Tips: To ensure a high quality plant keep feed levels up throughout production.
Dianthus barbatus Sweet William BARBARINI ® VERNALIZATION
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
DAY LENGTH
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING First Year Flowering
pH: 5.5–5.9 EC: SME EC: 0.9–1.3 mS/cm PourThru EC: 1.4–2.0 mS/cm
Facultative long day 64–66 °F (18–19 °C)
62–64 °F (17–18 °C)
Tech Tips: By providing high light and dropping the temperatures to an ADT of 60 °F (21 °C) will reduce the need for PGRs.
Digitalis purpurea Foxglove CAMELOT ™
VERNALIZATION
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
DAY LENGTH
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
First Year Flowering No vernalization required. Although, Camelot™ Digitalis can be transplanted in late summer–early fall for faster flowering in the following year
pH: 5.8–6.2 EC: SME EC: 0.9–1.3 mS/cm PourThru EC: 1.4–2.0 mS/cm
Obligate long day
68–70 °F (20–21 °C)
64–66 °F (18–19 °C)
Tech Tips: Plants grown in the greenhouse with additional lights exhibited stretched habits and loose flower spikes. Crops grown cool in protected cold frames will produce compact plants with good lateral development of secondary spikes.
Doronicum orientale Leopard’s Bane LEONARDO ™ VERNALIZATION
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
DAY LENGTH
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING Cold Required 5–7 weeks 6–10 weeks
Temperature: 35–45 °F (2–7 °C) Tech tip: Do not allow plant to dry out during the vernalization period or risk losing containers to desiccation.
pH: 5.8–6.2 EC: SME EC: 1.5–2.1 mS/cm PourThru EC: 2.3–3.2 mS/cm
Day neutral
66–68 °F (19–20 °C)
62–64 °F (17–18 °C)
Tech Tips: Allow plant to dry slightly between irrigations but do not allow to wilt as they can be difficult to recover.
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