PERENNIALS | VEGETATIVE FINISHING
Helenium autumnale Sneezeweed HAYDAY ™ HARDINESS USDA ZONE
VERNALIZATION
DAY LENGTH
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
5–9
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
78–80 °F (26–27 °C)
64–66 °F (18–19 °C)
Tech Tips: Helenium is an obligate long day plant. Helenium will not flower under short days. Day length extension lighting, or night interruption lighting is necessary for flowering under naturally short day lengths. Light the crop with a minimum day length of 14 hours and an average light intensity of 1,200–1,600 µmol·m -2 ·s -1 . Iberis sempervirens Candytuft SNOW CONE ™ / SNOWSURFER ™ / SNOWDRIFT ™
VERNALIZATION
HARDINESS USDA ZONE
DAY LENGTH
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
4–9
Cold Required
37–40 °F (3–4 °C); Avoid pinching after the first week in September to avoid cutting off the next years flowers.
7–10 weeks
7–8 weeks
pH| 5.8–6.2 EC| SME EC| 1.5–2.1 mS/cm PourThru EC| 2.3–3.2 mS/cm
Day neutral 68–70 °F (20–21 °C)
58–60 °F (14–16 °C)
Tech Tips: Snow Cone is the fastest Iberis to flower that Syngenta has to offer. This can lead to smaller plants if not given the correct amount of production time. Snowsurfer is best suited for gal. sized containers. Snowdrift is the lastest to flower in the assortment. Iberis x hybrida Candytuft MERMAID ™
VERNALIZATION
HARDINESS USDA ZONE
DAY LENGTH
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
5–9
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 54–56 °F (12–13 °C)
48–50 °F (9–10 °C)
Tech Tips: Mermaid Iberis do not require vernalization to flower, and will flower in late spring–early summer.
Lavandula angustifolia English Lavender AROMATICO ™ / SENTIVIA ™ HARDINESS USDA ZONE VERNALIZATION
DAY LENGTH
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
5–9
First Year Flowering
pH| 6.1–6.5 EC| SME EC| 1.5–2.1 mS/cm PourThru EC| 2.3–3.2 mS/cm
Facultative long day
74–76 °F (23–24 °C)
62–64 °F (17–18 °C)
Tech Tips: Maintain the higher pH range to avoid any nutritional issues. Also it is important to avoid overwatering which could lead to disease issues.
Lavandula angustifolia English Lavender VINTRO ™ HARDINESS USDA ZONE
VERNALIZATION
DAY LENGTH
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
5–9
Cold Required
37–45 °F (3–7 °C); Allow media to dry moderately between thorough waterings.
6–7 weeks
7–8 weeks
pH| 6.1–6.5 EC| SME EC| 1.5–2.1 mS/cm PourThru EC| 2.3–3.2 mS/cm
Facultative long day
74–76 °F (23–24 °C)
62–64 °F (17–18 °C)
Tech Tips: Maintain the higher pH range to avoid any nutritional issues. Also it is important to avoid overwatering which could lead to disease issues.
Lavandula stoechas Spanish Lavender JAVELIN ™ / JAVELIN ™ COMPACT HARDINESS USDA ZONE VERNALIZATION REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
DAY LENGTH
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
7–9
First Year Flowering
pH| 6.1–6.5 EC| SME EC| 1.5–2.1 mS/cm PourThru EC| 2.3–3.2 mS/cm
Facultative long day
72–74 °F (22–23 °C)
64–66 °F (18–19 °C)
Tech Tips: Increase air movement around the plants to reduce the chance of foliar disease.
Leucanthemum maximum Shasta Daisy WESTERN STAR ™ HARDINESS USDA ZONE VERNALIZATION
DAY LENGTH
DAY TEMP
NIGHT TEMP
MEDIA PH / EC
REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING CROP TIMING
4–9
Cold Beneficial
Growing cool at 45 °F (7 °C) will ensure a uniform flowering crop.
6–7 weeks
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
74–76 °F (23–24 °C)
68–70 °F (20–21 °C)
108
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