Hollyhill
Dahlias
Ted and Margaret Kennedy
Oregon City, Oregon
Classification of Dahlias
Dahlias come in many different Sizes, Forms and Colors.  Each Dahlia is
classified by the size, form and color.  Listed below are tables which include the
different classifications for Dahlias.  
The American Dahlia Society determines classification and provides many
awards for dahlias.  Click here to view the American Dahlia Society information.
Size
Code
 Description
AA
 (Giant), over 10 inches in diameter
A
 (Large), over 8 to 10 inches in diameter.
B
 (Medium), over 6 to 8 inches in diameter.
BB
 (Small), over 4 to 6 inches in diameter.
M
 (Miniature), up to 4 inches in diameter.
BA
 (Ball), over 3.5 inches in diameter.
MB
 (Miniature Ball), over 2 to 3.5 in. in diameter.
P
 (Pompon), up to 2 inches in diameter.
MS
 (Mignon Single) up to 2 inches in diameter
Form
Color
Code
 Description
CN
 Anemone-flowered
BA
 Ball
C
 Straight Cactus
CO
 Collarette
FD
 Formal Decorative
IC
 Incurved Cactus
ID
 Informal Decorative
LC
 Laciniated
MB
 Miniature Ball
MS
 Mignon Single
N
 Novelty
NO
 Novelty Open
NX
 Novelty Fully Double
O
 Orchid-flowering
P
 Pompon
PE
 Peony-flowering
S
 Single
SC
 Semi-Cactus
ST
 Stellar
WL
 Water Lily
Code
 Description
BI
 Bicolor
BR
 Bronze
DB
 Dark Blend
DP
 Dark Pink
DR
 Dark Red
FL
 Flame Blend
L
 Lavender
LB
 Light Blend
OR
 Orange
PK
 Pink
PR
 Purple
R
 Red
V
 Variegated
W
 White
Y
 Yellow