Dahlia Dinnerplate Thomas Edison
Best choice for gardeners wanting dramatic, long-lasting floral arrangements.
This heirloom dahlia is the ultimate showstopper for late-season color, delivering massive, plum-purple blooms that demand attention. While these heavy, dinnerplate-sized flowers require a bit of staking to keep them upright, the trade-off is a dramatic, pollinator-friendly display that remains unmatched for fresh-cut arrangements.
$8.63
at
Longfield Gardens
Who it's for
- Floral enthusiasts wanting reliable stems for home-grown bouquets
- Gardeners seeking a bold, high-impact floral focal point
- Designers looking for a sophisticated, deep-toned seasonal accent
Who should skip it
- Busy homeowners avoiding seasonal tuber storage and winter labor
- Casual growers wanting plants that resist common garden pests
- Gardeners preferring low-maintenance plants without staking requirements
Performance breakdown
Bloom Impact
Massive dinnerplate flowers create an undeniable focal point in any garden.
Floral Utility
Sturdy stems and impressive size make these ideal for professional-grade arrangements.
Seasonal Longevity
Prolific flowering from late summer through fall provides extended garden color.
Pollinator Appeal
Reliably draws beneficial insects to support a healthy, thriving ecosystem.
Climate Versatility
Strict hardiness requirements limit successful cultivation to warmer, frost-free regions.
Maintenance Ease
Robust growth habit requires minimal intervention beyond standard well-drained soil care.
Key Specs
Size/Grade
#1
Hardiness Zones
9 through 11
USDA Hardiness Zones
Zone 9, Zone 10
Planting Depth
1" deep
Spacing
18" apart
Mature Height
48.0 inches
Mature Spread
18.0 inches
Plant Life Cycle
Perennial
Flower Type
Dahlia
Sun Exposure Requirement
Full Sun
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