Penny ™ Pro Blue Marina
Viola Penny ™ Pro Culture Guide Viola cornuta Product form: Seed Containers: Packs, Pints, Quarts, Gallons, Hanging Baskets Habit: Mounded Garden Specifications Garden height: 4–6” (10–15 cm) tall Garden width: 4–6” (10–15 cm) wide Exposure: Full Sun USDA zone: 4 AHS zone: 9–1 Product uses: Packs, Containers, Hanging Baskets, Landscapes
Seed Germination
Germination Time: 5 days Media temp: 65–68 °F (18–20 °C) Chamber: Optional Light: Required for germination Seed cover: Yes
Moisture level: 5 - SATURATED: Soil is dark brown and shiny, free water is present at the surface of the soil, water drips freely from the bottom of the tray, and trays are heavy with a visible bend in the middle. Recommended tray size: 288-cell tray Seeds per cell: 1 Seed Young Plant Production
Temperature Day: 68–70 °F (20–21 °C) Night: 64–66 °F (18–19 °C) Average daily temperature: 67 °F (19.5 °C) Lighting Day extension lighting: Beneficial to 14 hours Light intensity: 500–700 µmol·m -2 ·s -1
Day length response: Facultative long day Daily light integral (DLI): 10–12 mol·m -2 ·d -1 Media pH: 5.5–5.9 Media EC: SME EC: 0.9–1.3 mS/cm, Squeeze or Press Method: 1.4-2.0 mS/cm Fertilizer: 50–75 ppm N Moisture level: Media should be allowed to dry between irrigations. Alternate between moisture level 2 and 4. 2 - MEDIUM: Soil is light brown in color, no water can be extracted from soil, and soil will crumble apart. 4 - WET: Soil is dark brown but not shiny, no free water is seen at the surface of the soil, when pressed or squeezed water drips easily, and trays are heavy with a visible bend in the middle. Pinching: No Plant growth regulators (PGRs): Spray with B-Nine ® WSG at 1,250 to 2,500 ppm if hypocotyl stretch is observed, or if environmental conditions are such that hypocotyl stretch is likely. Apply at the 1- to 2-leaf stage. Plug grow time: 4-5 weeks in a 288-cell tray
Penny ™ Pro Deep Blue, Yellow, and Orange
NEW VARIETIES 2025–2026
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