ANNUALS | VEGETATIVE FINISHING
Pelargonium zonale Geranium Zonal AMERICANA ® MEDIA pH/EC LIGHT LEVEL
DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER
PINCHES
FINISHING PROGRAM
pH: 5.8–6.2 SME 2.3–2.8 mS/cm, PourThru EC: 3.5–4.2 mS/cm
800–1,200 µmol·m -2 ·s -1
Day neutral
72–74 °F (22–23 °C)
68–70 °F (20–21 °C)
200–250 ppm N Not recommended 1.25 qt. | 1 ppp | 9–10 weeks 2.5 qt. | 1 ppp | 11–12 weeks 3 qt. | 3 ppp | 11–12 weeks
1.5 gal. HB | 3–4 ppp | 11–12 weeks 1.5 gal. pot | 2 ppp | 11–12 weeks 2 gal. HB | 4–5 ppp | 11–12 weeks
Tech Tips: Americana Geraniums are moderately vigorous and usually require regular plant growth regulator (PGR) applications, especially under warm growing conditions. Provide relatively high light levels and warm temperatures early on to establish the plant and to allow it to respond adequately to PGRs. Early Florel ® sprays are crucial to making well-branched, quality plants. Watch for Botrytis under tight spacing and in combination plantings, especially when overhead irrigating. Pelargonium zonale Geranium Zonal NOVELTY COLLECTION MEDIA pH/EC LIGHT LEVEL DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER PINCHES FINISHING PROGRAM pH: 5.8–6.2 SME 2.3–2.8 mS/cm, PourThru EC: 3.5–4.2 mS/cm 800–1,200 µmol·m -2 ·s -1 Day neutral 72–74 °F (22–23 °C) 68–70 °F (20–21 °C) 200–250 ppm N Not recommended 1 qt. | 1 ppp | 7–8 weeks Tech Tips: These varieties have medium vigor and usually require regular plant growth regulator (PGR) applications, especially under warm growing conditions. Provide relatively high light levels and warm temperatures early on to establish the plant and to allow it to respond adequately to PGRs. Early Florel ® sprays are crucial to making well-branched, quality plants. Watch for Botrytis under tight spacing and in combination plantings, especially when overhead irrigating. Monitor the media and try to keep the pH at or above 6.0 to avoid iron/manganese toxicity. Pelargonium zonale Geranium Zonal ROCKY MOUNTAIN ™ MEDIA pH/EC LIGHT LEVEL DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER PINCHES FINISHING PROGRAM pH: 5.8–6.2 SME 2.3–2.8 mS/cm, PourThru EC: 3.5–4.2 mS/cm 800–1,200 µmol·m -2 ·s -1 Day neutral 72–74 °F (22–23 °C) 68–70 °F (20–21 °C) 200–250 ppm N Not recommended 2.5 qt. | 1 ppp | 11–12 weeks 3 qt. | 3 ppp | 11–12 weeks 1.25 qt. | 1 ppp | 9–12 weeks 2.5 qt. | 1 ppp | 9–12 weeks 1.5 gal. HB | 3 ppp | 11–12 weeks
1.5 gal. HB | 3–4 ppp | 11–12 weeks 2 gal. HB | 4–5 ppp | 11–12 weeks
Tech Tips: Rocky Mountain Zonal Geranium has a vigorous habit and usually require regular plant growth regulator (PGR) applications, especially under warm growing conditions. Provide relatively high light levels and warm temperatures early on to establish the plant and to allow it to respond adequately to PGRs. Early Florel ® sprays are key to making well-branched, quality plants. Watch for Botrytis under tight spacing and in combination plantings, especially when overhead irrigating. Pelargonium zonale Geranium Zonal TANGO ™ MEDIA pH/EC LIGHT LEVEL DAY LENGTH DAY TEMP NIGHT TEMP FERTILIZER PINCHES FINISHING PROGRAM pH: 5.8–6.2 SME 2.3–2.8 mS/cm, PourThru EC: 3.5–4.2 mS/cm 800–1,200 µmol·m -2 ·s -1 Day neutral 72–74 °F (22–23 °C) 68–70 °F (20–21 °C) 200–250 ppm N Not recommended Large Packs | 1 ppp | 5–6 weeks
1 pt. | 1 ppp | 6–7 weeks 1 qt. | 1 ppp | 7–8 weeks 1.25 qt. | 1 ppp | 9–10 weeks 1.5 gal. HB | 4 ppp | 11–12 weeks
Tech Tips: Tango Zonal Geranium is relatively compact and should not require repeated PGR applications. Provide relatively high light levels and warm temperatures early on to establish the plant and to allow it to respond adequately to plant growth regulators (PGRs). Early Florel ® sprays are key to making well-branched, quality plants. Watch for Botrytis under tight spacing and in combination plantings, especially when overhead irrigating.
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