San Diego Seed Company Great Hercules Dahlia
Best reliable bloomer for home gardeners seeking high impact floral displays.
These dinnerplate tubers deliver dramatic, golden-orange blooms that elevate any floral arrangement. Perfect for gardeners who want high-impact color, they thrive in warm soil and offer a rewarding, long-lasting display throughout the summer months.
$15.99
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Who it's for
- Gardeners seeking high-impact floral displays for their summer landscapes
- Floral enthusiasts who enjoy harvesting fresh bouquets from their backyard
- Warm-climate growers looking for heat-resilient ornamental varieties
Who should skip it
- Low-maintenance gardeners who prefer plants that do not require staking
- Busy growers in arid regions unable to provide frequent irrigation
- Northern gardeners who want permanent perennials without annual lifting
Performance breakdown
Bloom Impact
Dinnerplate size creates an immediate, dramatic focal point in any garden.
Arrangement Versatility
Sturdy stems and vibrant color make these perfect for professional-grade bouquets.
Growth Reliability
Tubers establish quickly when soil temperatures hit the required warm threshold.
Seasonal Longevity
Prolific blooming cycle provides consistent color throughout the entire summer season.
Winter Hardiness
Requires manual intervention in colder climates, though overwintering is straightforward.
Planting Ease
Clear depth and spacing requirements make setup simple for novice gardeners.
Key Specs
Shipping Weight
0.4 lbs
Days to Germination
21-28+ days
Days to Maturity
90+ days
Final Spacing
12-18 inches
Plant Height
15-36+ inches
Plant Spread
12-18 inches
Planting Depth
4-6 inches
Planting Season
Warm
Soil Temperature
60-70° F+
Know before you buy
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