Harris Seeds Vinca Cora Seed
Best disease-resistant choice for gardeners seeking vibrant, low-maintenance summer color.
These hybrid seeds take the guesswork out of summer color by pairing a remarkably uniform growth habit with elite disease resistance. You sacrifice the wild, unpredictable charm of heirloom varieties, but you gain a foolproof, high-performance display that stays vibrant even when the weather turns against you.
$28.77
Who it's for
- Gardeners struggling with fungal blight and plant loss
- Homeowners managing hot, dry, or sun-drenched garden beds
- Landscapers seeking consistent, high-impact color throughout the season
Who should skip it
- Casual growers lacking patience or specialized seed-starting equipment
- Budget-conscious gardeners planting large-scale flower beds
- Pet owners and parents prioritizing non-toxic garden spaces
Performance breakdown
Disease Resistance
Superior tolerance to aerial Phytophthora keeps plants healthy all season long.
Germination Reliability
High-vigor hybrid genetics ensure a consistent rate of usable seedlings.
Growth Uniformity
Predictable bloom windows and habit make for a tidy, professional display.
Visual Impact
Large, vibrant red blooms create a striking contrast against glossy foliage.
Maintenance Ease
Moderate water needs and robust health simplify routine garden care.
Plant Vigor
Strong hybrid genetics promote consistent growth and reliable seasonal performance.
Key Specs
Soil Temperature for Germination
70-75°F
Germination Lighting
Cover Seed
Germination Days
4-6 Days
Grow on Temperature Day
75-80°F
Grow on Temperature Night
65-70°F
Plant Spread
22-25 inches
Plant Height
14-16 inches
Plant Type
Annual
Model Number
22487RAWUTR-250SD
Is Organic
false
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