garden dahlia Directory References Discover Does Ball Lightning Exist? 7 of History's Most Notorious Serial Killers Why Do Bananas Turn Brown? Why Is Missouri Called the Show Me State? Timeline of the 1990s All 119 References in “We Didn’t Start the Fire,” Explained New Seven Wonders of the World Contents garden dahlia plant Also known as: Dahlia bipinnata Learn about this topic in these articles:description In dahlia…the common garden dahlia (D. bipinnata) have shortened ray flowers. Dahlias grow well in most garden soils. They begin flowering late in the summer and continue flowering until interrupted by frost in the autumn.Read More