Harris Seeds Petunia Tritunia Star Mix Seed
Best high-performance flower seeds for consistent, professional-grade garden displays.
This premium blend distills the best traits of three grandiflora series into one reliable, high-performance package. You sacrifice the variety of hand-picking individual colors, but you gain the kind of professional-grade uniformity and consistent flowering that makes garden planning foolproof.
$9.32
at
Harris Seeds
Who it's for
- Gardeners seeking uniform growth and reliable, high-volume flowering
- Landscapers wanting high-impact color for beds and containers
- Beginners needing professional-grade seeds with dependable germination
Who should skip it
- Budget-conscious gardeners preferring lower-cost standard varieties
- Seed-saving enthusiasts who want to replant next season
- Low-maintenance gardeners looking for hands-off plant care
Performance breakdown
Growth Uniformity
Consistent habit across the series ensures a professional, predictable garden display.
Germination Reliability
High-performance F1 genetics provide dependable sprout rates for successful seasonal planting.
Ease of Handling
Pelleted seed coating makes precise sowing simple for both novice and pro.
Bloom Vigor
Grandiflora lineage delivers robust, vibrant flowers throughout the entire growing season.
Garden Versatility
Ideal dimensions for containers, hanging baskets, or traditional landscape bedding.
Seed Quality
Untreated, premium-grade seeds offer a clean start for your annual display.
Key Specs
Size
500 seeds
Form
PELLETED
Treatment
UNTREATED
Plant Spread
14-16 inches
Plant Height
12-14 inches
Germination Days
7-12 Days
Soil Temperature
70-75°F
Plant Type
Annual
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