Dahlia Thomas Edison | Premium Dinnerplate Dahlia

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🌷 Please note: All dahlia tuber orders will be fulfilled in Spring 2027. Ordering now reserves your tubers for the upcoming growing season!

An award-winning heirloom classic that has been mesmerizing garden lovers since 1929, this dinnerplate decorative dahlia is pure electric magic! 'Thomas Edison' produces colossal 8- to 10-inch fully double blooms in a saturated, deeply dramatic shade of velvety royal purple and rich plum. As the broad, silky petals curve gently back toward the stem, they form a massive, glowing dome of purple perfection.

• LIGHT: Full sun; partial sun
  
• WATER: Water deeply and thoroughly when soil begins to dry
  
• ZONE: Zones 8–11 (In Zones 3–7, dig tubers up after the first light frost and store indoors over winter)
  
• SIZE: 3.5 to 4.5 feet tall
  
• GROOVY TIP: To make those massive 10-inch purple flower heads look like they are literally glowing, pair 'Thomas Edison' with bright golden-yellow or chartreuse neighbors (like yellow Rudbeckia, 'Kelvin Floodlight' dahlias, or chartreuse Sweet Potato Vine). The high-voltage color contrast acts like an optical reflector, drawing out every velvety shade of plum and violet on those giant petals!

Notes: Images are a representation of the flower produced by the tuber you will receive. Each plant is unique, and small variations in leaf and plant size, color, etc. is to be expected.