2026-2028 Grower Success Guide

PERENNIALS | VEGETATIVE FINISHING

Iberis sempervirens Candytuft SNOW CONE ™ / SNOW DOME ™ / SNOWSURFER ™ / SNOWDRIFT ™ VERNALIZATION (PRE- OR POST-TRANSPLANT) MEDIA PH / EC DAY LENGTH DAY TEMP NIGHT TEMP REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING TIMING Cold Required 7–10 weeks 7–8 weeks

37–40 °F (3–4 °C); Avoid pinching after the first week in September to avoid cutting off the next years flowers.

pH: 5.8–6.2 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 gallon-sized containers. Snow Dome and Snowdrift are the latest to flower in the assortment. Iberis x hybrida Candytuft ARIELLE ™ / MERMAID ™ VERNALIZATION (PRE- OR POST-TRANSPLANT) MEDIA PH / EC DAY LENGTH DAY TEMP NIGHT TEMP REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING TIMING First Year Flowering pH: 5.8–6.2 SME EC: 1.5–2.1 mS/cm PourThru EC: 2.3–3.2 mS/cm Day neutral 68–70 °F (20–21 °C) 68–70 °F (20–21 °C)

Tech Tips: Arielle and Mermaid iberis do not require vernalization to flower, and will flower in late spring–early summer.

Lavandula angustifolia English Lavender AROMATICO ™

VERNALIZATION (PRE- OR POST-TRANSPLANT)

DAY LENGTH

DAY TEMP

NIGHT TEMP

MEDIA PH / EC

REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING

TIMING

First Year Flowering

pH: 6.1–6.5 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 ™

VERNALIZATION (PRE- OR POST-TRANSPLANT)

DAY LENGTH

DAY TEMP

NIGHT TEMP

MEDIA PH / EC

REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING

TIMING

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 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 VERNALIZATION (PRE- OR POST-TRANSPLANT)

DAY LENGTH

DAY TEMP

NIGHT TEMP

MEDIA PH / EC

REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING

TIMING

First Year Flowering

pH: 6.1–6.5 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 ™ VERNALIZATION (PRE- OR POST-TRANSPLANT)

DAY LENGTH

DAY TEMP

NIGHT TEMP

MEDIA PH / EC

REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING

TIMING

Cold Beneficial

Growing cool at 45 °F (7 °C) will ensure a uniform flowering crop.

6–7 weeks

pH: 5.8–6.2 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)

Lithodora diffusa Lithodora TIDEPOOL ™

VERNALIZATION (PRE- OR POST-TRANSPLANT)

DAY LENGTH

DAY TEMP

NIGHT TEMP

MEDIA PH / EC

REQUIREMENT CULTURE REQUIREMENT BULK CROP TIMING

TIMING

Cold Required

35–50 °F (2–10 °C)

7–10 weeks

6–7 weeks

pH: 5.5–5.9 SME EC: 0.9–1.3 mS/cm PourThru EC: 1.4–2.0 mS/cm

Facultative long day

68–70 °F (20–21 °C)

64–66 °F (18–19 °C)

Tech Tips: Lithodora prefer to be grown moderately dry; avoid extended wet periods. When the plants are ready for irrigation, water the pots thoroughly then allow the soil to dry between irrigations.

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