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Northwest Blooms · Dahlias

Dahlia 'Thomas Edison'

Thomas Edison Dahlia

Dahlia 'Thomas Edison'
Height
3½–4 ft
Bloom size
Large (8 in)
Flower color
Deep purple, darker toward the center
Plant spacing
12-18 inches

About this plant

Dahlia 'Thomas Edison' displays deep purple, fully double informal‑decorative blooms that open in midsummer and continue through to frost. Each large flowerhead carries layered petals that form a lush, velvety texture with slightly darker centers, lending a sense of depth and richness in garden beds or cut bouquets. The dark purple coloration maintains its intensity as the blossoms age, and the sturdy foliage and strong stems support the generous heads reliably. As a long‑blooming and dependable variety, 'Thomas Edison' brings a bold, elegant presence to summer and autumn plantings with minimal fuss.

Planting & care

Many tubers and seeds are available online. You can visit dahliaaddict for help in finding online sources. This variety was seen at Swan Island Dahlias.