Petunia – Supertunia® Really Red
Attracts: Butterflies, Hummingbirds
Dead-Heading Not Necessary
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Use in hanging baskets, window boxes, combination planters and landscaping
Maintenance Category Easy
Water Category Average
Flower Form Container, Edging Plant, Groundcover, Landscape, Mass Planting
Soil Fertility Average Soil
pH A - pH 5.5 - 5.8
EC (2:1 Extraction Method) 1 - 2
Fertilization 200 - 300
Light Requirements High
Water Requirements Moderate to Moist
Rooting Out Temperature 65 - 72° Fahrenheit
Growing On Temperature 55 - 65° Fahrenheit
Holding Temperature 40 - 50° Fahrenheit
Planting and Timing Information
Early Spring through Fall Finish. Standard PPP.
Finishing Times [weeks]
4-5" and Quart Pot : 4-6
6" and Gallon Pot : 5-7
7-9" Pot : 7-9
10-12" and Two Gallon Pot : 8-10
Pinching and Growth Regulators
For all sizes of containers, pinch the liner 1–2 weeks after transplant; for containers larger than 6” and for hanging baskets, trim around the edge of the container as needed prior to spacing or hanging of the baskets.
10-15 ppm Sumagic spray or 1-3 ppm Bonzi drench are effective at controlling growth. Apply as needed. Supertunia Minis may require higher rates of PGRs. Cold temperatures will also effectively control growth. -Supertunia Black Cherry is more susceptible to flower damage from chemical applications late in the crop cycle.
Pest and Disease Management
Good sanitation practices include keeping greenhouses clean at all times, eliminating weeds and debris, disinfecting equipment in greenhouses as often as possible and keeping hose ends off of the greenhouse floor. Good water management practices are critical for good, healthy plant growth.
-Requires high light in production. -Needs 250+ ppm fertilizer. -Watch pH and EC levels. -Mini Strawberry Pink Veined, all veined varieties and Bordeaux are more sensitive to cold. Keep above 50 F. -Cold temperatures also control growth. -Yellow growth tips often indicate iron deficiency caused by high soil pH. -Do not bring Supertunia petunias in too early as they finish quickly. -Many common problems with Supertunia can be avoided if proper crop timing and the appropriate environment are provided. -Supertunia Black Cherry is more susceptible to flower damage from chemical applications late in the crop cycle. -Cooler growing temperatures, high light levels, proper spacing and drier growing practices can be very helpful in managing plant size.