Group 8 Cactus
Cactus dahlias have fully double blooms, the ray florets are usually pointed, the majority narrow and revolute for 65% or more of their length (longitudinal axis) and either straight or incurving.
Pictured - Dahlia Carol’s Spanish Dancer
Miniature Cactus White base with purple tips
Group 9 Semi-Cactus Dahlias
Semi-Cactus dahlias have fully double blooms; the ray florets are usually pointed and revolute for more than 25% and less than 65% of their length and broad at the base and either straight or incurving.
Pictured Small Semi Cactus - Clearview Audrey
Blush pink with creamy white centre.