National Dahlia Society of New Zealand

Blue Bayou Precocious Annamari Oreti Rebel Claire de Lune

Dahlia Varieties

Dahlias range in size from tiny micro dahlias with flowers less than 50mm to giants with a diameter of over 250mm.

Dahlias are classified according to their flower type and size.

Giant flowered cultivars have blooms with a diameter of over 250mm.

Large flowered cultivars have blooms with a diameter between 200mm-250mm.

Medium flowered cultivars have blooms with a diameter between 155mm-200mm.

Small flowered cultivars have blooms with a diameter between 115mm-155mm.

Miniature flowered cultivars have blooms with a diameter not exceeding 115mm.

Large Pompom flowered cultivars have blooms with a diameter between 51mm and 80mm

Pompom flowered cultivars have blooms with a diameter less than 50mm.

Micro flowered cultivars have blooms whose diameter does not exceed 60mm.