Create a dramatic border or use these Black Jack Decorative Dahlias for a mass planting! Each Dahlia clump will produce huge flowers that exceed 6" in diameter. Its deep crimson petals almost resemble velvet and adds a "mysterious" air to your garden. With multiple strong sturdy stems, these blooms will add rich color to your garden from July until frost. Try this Jumbo Pack of 5 bulbs for the best price!