VEGETATIVE FINISHING
Osteospermum TRADEWINDS ® Osteospermum ecklonis MEDIA pH/EC LIGHT LEVEL
DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER
PINCHES
FINISHING PROGRAM
pH: 5.8–6.2 SME 1.5–2.1 mS/cm, PourThru EC: 2.3–3.2 mS/cm
4,000–6,000 foot candles (800–1,200 micro mols)
Day neutral
70–72 °F (21–22 °C)
62–64 °F (17–18 °C)
200–250 ppm N 1 pinch
1 qt. | 1 ppp | 6–7 weeks 1.25 qt. | 1 ppp | 8–9 weeks 2.5 qt. | 1 ppp | 9–10 weeks 3 qt. | 2–3 ppp | 9–10 weeks 1.5 gal. HB | 4 ppp | 10–11 weeks 1.5 gal. pot | 4 ppp | 10–11 weeks 2 gal. HB | 5 ppp | 10–11 weeks
Tech Tips: Although Tradewinds Osteospermum are bred to flower at higher temperatures, cool temperatures and high light will help make the highest quality plants. If grown cool, no plant growth regulators (PGRs) are typically needed. One pinch is recommended to make fully branched plants. The trailing types work especially well in baskets. Pentas STARCLUSTER ™ Pentas lanceolata MEDIA pH/EC LIGHT LEVEL DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER PINCHES FINISHING PROGRAM pH: 5.8–6.2 SME 1.5–2.1 mS/cm, PourThru EC: 2.3–3.2 mS/cm 4,000–6,000 foot candles (800–1,200 micro mols) Facultative long day 76–78 °F (24–26 °C) 70–72 °F (21–22 °C) 200–250 ppm N 1 pinch
1 qt. | 1 ppp | 8–9 weeks 1.25 qt. | 1 ppp | 10–11 weeks 2.5 qt. | 1–2 ppp | 12–13 weeks 3 qt. | 3 ppp | 12–13 weeks 1.5 gal. HB | 3–4 ppp | 12–13 weeks 2 gal. HB | 4–5 ppp | 12–13 weeks
Tech Tips: They start slow after transplant and need warm temperatures and high light intensities to establish and grow. Cold temperatures will lead to long crop times and poor overall quality. Plants will flower faster under relatively long days. Plants will benefit from one to two pinches to improve branching and fill on large pots and patio containers. Bonzi ® drenches work well to control growth. Pentas STARCLUSTER ™ CASCADE Pentas lanceolata MEDIA pH/EC LIGHT LEVEL DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER PINCHES FINISHING PROGRAM pH: 5.8–6.2 SME 1.5–2.1 mS/cm, PourThru EC: 3.5–4.2 mS/cm 4,000–6,000 foot candles (800–1,200 micro mols) Facultative long day 76–78 °F (24–26 °C) 70–72 °F (21–22 °C) 200–250 ppm N 1 pinch
1 qt. | 1 ppp | 7–8 weeks 1.25 qt. | 1 ppp | 9–11 weeks 2.5 qt. | 1 ppp | 9–11 weeks 3 qt. | 3 ppp | 10–12 weeks 1.5 gal. HB | 4 ppp | 11–12 weeks 2 gal. HB | 5 ppp | 11–12 weeks
Tech Tips: Starcluster Cascades Pentas are slow rooters, so provide sufficient temperature during propagation. They start slow after transplant and need warm temperatures and high light intensities to establish and grow. Cold temperatures will lead to long crop times and poor overall quality. Plants will flower faster under relatively long days. Plants will benefit from one to two pinches to improve branching and fill on large pots and patio containers. Bonzi ® drenches work well to control growth. Unlike seed pentas, Starcluster Cascade vegetative Pentas are not as susceptible to iron toxicity caused by relatively low pH levels in the media. However, media pH should still be monitored regularly and kept above 5.8 throughout the growth cycle. Petunia DEKKO ™ Petunia hybrida MEDIA pH/EC LIGHT LEVEL DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER PINCHES FINISHING PROGRAM pH: 5.5–5.9 SME 2.3–2.8 mS/cm, PourThru EC: 3.5–4.2 mS/cm 4,000–6,000 foot candles (800–1,200 micro mols) Facultative long day 70–72 °F (21–22 °C) 62–64 °F (17–18 °C) 200–250 ppm N 1–2 pinches Large Packs | 1 ppp | 4–5 weeks 1 qt. | 1 ppp | 5–6 weeks
1.25 qt. | 1 ppp | 7–8 weeks 2.5 qt. | 1 ppp | 8–9 weeks 3 qt. | 2–3 ppp | 8–9 weeks 1.5 gal. HB | 3 ppp | 9–10 weeks 1.5 gal. pot | 3–5 ppp | 10–12 weeks 2 gal. HB | 4 ppp | 9–10 weeks
Tech Tips: Keep media pH down in the mid 5.0’s to avoid iron deficiency and tip chlorosis. Temperatures can be lowered three weeks after planting and especially towards the end of production to tone or hold the plant. High DLIs and cool finishing temperatures produce high-quality petunias. Dekko Petunia was bred and selected to flower under day lengths of 10.5 hours; however, flower number increases under longer day lengths. Use proper sanitation when pinching or shearing petunia. Petunia and other solanaceous crops are highly susceptible to Tobacco Mosaic Virus (TMV), which can be easily transmitted by mechanical means.
G R O W E R S U C C E S S G U I D E 2 0 2 2 – 2 0 2 3 | A N N U A L S
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