Diabolo mix is the best selling bedding dahlia for bright and zingy summer and autumn displays the mix contains a whole host of colours from yellows oranges and red to pink white and purples all set off by dark purple tinged foliager each plant produces a mass of double flowers often revealing a yellow centre as they age they are perfect for larger pots and planters together or in borders dotted around to fill in gaps r dead head for longer flowering these little gems form neat clump