Petunia hybrid Success 360 Rose Star

Petunia hybrid Success 360 Rose Star Seeds

(Grandiflora Petunia — F1 Hybrid)

Petunia hybrida Success 360 Rose Star belongs to the Success 360 series bred by Benary, one of the world’s most respected ornamental plant breeding companies. The Success 360 series is a round-growing grandiflora petunia delivering uniform, early flowering plants with large, attractive flowers across a wide range of colors including distinctive star-patterned shades. The series fills packs and pots quickly and is recognized for its 360-degree visual impact from all viewing angles.

The Rose Star flower pattern produces bold white stars marking large, wavy, vivid rose-pink flowers that begin early and bloom heavily throughout the season. The contrast between the warm rose-pink ground color and the clean white central star creates a bicolor effect that is simultaneously elegant and bold — softer and more romantic in character than the Red Star variant, while remaining visually impactful in any planting scheme.

Petunia is a facultative long-day plant. Longer day length and higher light intensity both promote and accelerate flowering. The Success 360 series has been specifically bred to achieve the closest day-length neutral response time between colors within the series, ensuring even and simultaneous flowering across mixed plantings. This characteristic is well-suited to Kuwait’s cool-season growing window, where bright, high-intensity sunlight and day lengths of 11 to 14 hours provide favorable conditions for rapid bud initiation from October through March.

Variety Details

• Petunia x hybrida F1 Success 360 Rose Star is bred by Benary and classified as a round-growing grandiflora petunia.
• It delivers uniform, early flowering plants with large, attractive flowers and is supplied as pelleted seed for precision sowing.
• Crop time in spring is 9 to 13 weeks.
• Plant height is 33 cm.
• The Success 360 series spans 13 colors including both solid shades and star-patterned bicolor variants, with all colors bred to finish at matching timing.

Key Features

• F1 grandiflora petunia from Benary.
• Vivid rose-pink flowers with bold white star bicolor pattern.
• 360-degree uniform mounded plant habit.
• Early flowering in 9 to 13 weeks from sowing.
• Large attractive blooms 7 to 8 cm across.
• Compact height of 33 cm, width 28 cm. Fast filling of packs, pots, and hanging baskets.
• Suitable for pots, packs, hanging baskets, mixed containers, and landscape.
• Ideal for Gulf cool-season gardens from October through April.

Plant Information

• Family: Solanaceae.
• Botanical name: Petunia x hybrida F1.
• Breeder: Benary.
• Type: Annual.
• Height: 33 cm.
• Width: 28 cm.
• Flower: Large grandiflora single, 7 to 8 cm across, rose-pink with white star center.
• Plant habit: Mounded, upright, 360-degree fill.
• Exposure: Full sun.
• Water: Medium — maintain consistent moisture without waterlogging.
• pH preference: 5.5 to 5.8.

Seed Germination

• Radicle emergence is expected in 3 to 5 days.
• Sow one seed per plug.
• Do not allow the seeds to dry back before moving to the germination environment.
• Maintain saturation for 3 to 4 days or until radicle emergence.
• Humidity should be kept at 95 to 100 percent until day 5, then reduced to 40 to 60 percent.
• Reducing humidity after radicle emergence helps prevent seedling stretching.
• Light is required for germination — do not cover seeds.
• Temperature during germination: 22 to 24 degrees Celsius until radicle emergence, then reduce to 20 to 21 degrees Celsius on approximately day 5.
• Once cotyledons have fully expanded, reduce further to 18 to 20 degrees Celsius.
• Media pH: 5.5 to 5.8. Keeping pH below 6.0 helps maintain availability of boron and iron.

Growing Tips

• After transplanting, maintain night temperatures above 13 degrees Celsius for the first 3 to 4 weeks to initiate flower bud development.
• These low night temperatures encourage basal branching and compactness for a higher quality plant.
• However, lower temperatures may also substantially decrease the number of flowers initiated.
• An average daily temperature of 17 to 21 degrees Celsius will work well.
• During the plug bulking and flower initiation stage, provide a minimum day length of 11.5 hours.
• To initiate flowering under short days, extend day length to 13.5 to 14 hours.
• Maintain temperature at 18 to 20 degrees Celsius until day 28, then reduce to 15 to 18 degrees Celsius.
• Keep temperatures above 16 degrees Celsius until the plants are ready to transplant.
• Begin feeding 1 ml of nitrogen fertilizer per liter of water after initial germination at day 5 to 6, then increase nitrogen to 2–3.5 ml per liter of water for established seedlings.
• Maintain media pH between 5.5 and 5.8 throughout production.
• Under the bright, high-light conditions of the Gulf growing season, apply an ammonium-based fertilizer to support vigorous shoot growth.
• Under cooler conditions or reduced light, switch to a calcium-based fertilizer to prevent stretching.

Gulf Planting Season

• Sow indoors in protected nursery conditions: mid-August through October.
• Transplant to containers, hanging baskets, or garden beds: October through November.
• Expected flowering: November through March, depending on sowing time and conditions.
• Summer cultivation outdoors is not suitable. Petunia x hybrida requires temperatures between 15 and 24 degrees Celsius for optimal growth and flowering.
• Protect from sustained temperatures above 35 degrees Celsius.

Garden and Floral Uses

• Success 360 Rose Star is recommended for hanging baskets, landscape beds, packs, pots, and mixed containers.
• The rose-pink and white star pattern is particularly effective in romantic, soft-toned container designs and pairs beautifully with white, silver, lavender, and deep purple companions.
• It also combines naturally with Success 360 Red Star for a vibrant red-and-pink mixed display across borders and large container groupings.
• The compact, uniform mounded habit fills containers evenly from all sides without pinching, making it a reliable and low-maintenance anchor for Gulf cool-season garden displays.