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  • More
    • Home
    • Mathematics
      • My Favorite Math Pages
      • Succeeding in Math
      • Algebra Curriculum
      • Basic Algebra: One Step
      • Intermed Alg: One Step
      • College Algebra: One Step
      • Math in Living Color
      • Basic Algebra: MLC
      • Intermediate Algebra: MLC
      • College Algebra: MLC
      • Videos by Dr. Rapalje
      • Basic Algebra Videos
      • Inter Alg Videos Part I
      • Inter Alg Videos Part II
      • College Algebra Videos
      • PreAlgebra Practice Tests
      • Basic Algebra PT
      • Intermediate Algebra PT
      • College Algebra PT
      • Geometry Practice Tests
      • Logic Practice Tests
      • Probability PT
      • Statistics Practice Tests
      • Trigonometry PT
      • Pre-Calculus PT
      • Concepts of Calculus PT
      • Calculus I PT
      • Calculus II PT
      • Calculus III PT
      • Differential Equation PT
      • My Favorite Verses!!
      • Handouts and Learn Suppl
    • Bible Verses
      • Evidence for the Faith
      • True Personal Stories
      • Irma and Eddie Williams
      • Book of John
      • True Bible Stories
      • New Testament
      • Old Testament
      • Psalms and Proverbs
      • Stories from Family Tree
      • Most Recent Pages
    • Dahliadel
      • Dahliadel in New Jersey
      • Dahliadel in the Mountain
    • Dahlia Pictures
      • Dahlias by Location
      • Dahlias by ADS Size/Color
      • Dahlias by ADS Form
      • Dahlias in Alphabetical O
      • Dahlias in Alphabetical O
  • Home
  • Mathematics
    • My Favorite Math Pages
    • Succeeding in Math
    • Algebra Curriculum
    • Basic Algebra: One Step
    • Intermed Alg: One Step
    • College Algebra: One Step
    • Math in Living Color
    • Basic Algebra: MLC
    • Intermediate Algebra: MLC
    • College Algebra: MLC
    • Videos by Dr. Rapalje
    • Basic Algebra Videos
    • Inter Alg Videos Part I
    • Inter Alg Videos Part II
    • College Algebra Videos
    • PreAlgebra Practice Tests
    • Basic Algebra PT
    • Intermediate Algebra PT
    • College Algebra PT
    • Geometry Practice Tests
    • Logic Practice Tests
    • Probability PT
    • Statistics Practice Tests
    • Trigonometry PT
    • Pre-Calculus PT
    • Concepts of Calculus PT
    • Calculus I PT
    • Calculus II PT
    • Calculus III PT
    • Differential Equation PT
    • My Favorite Verses!!
    • Handouts and Learn Suppl
  • Bible Verses
    • Evidence for the Faith
    • True Personal Stories
    • Irma and Eddie Williams
    • Book of John
    • True Bible Stories
    • New Testament
    • Old Testament
    • Psalms and Proverbs
    • Stories from Family Tree
    • Most Recent Pages
  • Dahliadel
    • Dahliadel in New Jersey
    • Dahliadel in the Mountain
  • Dahlia Pictures
    • Dahlias by Location
    • Dahlias by ADS Size/Color
    • Dahlias by ADS Form
    • Dahlias in Alphabetical O
    • Dahlias in Alphabetical O

Dahlias by Size, Form, and Color (American Dahlia Society)

Classification by Size

AA = Giant:   > 10"

A   = Large:  8 - 10"

B   = Medium:  6 - 8"

BB = Small:  4 - 6"

M   = Miniature:  < 4"

BA  = Ball:   > 3.5"

MB = Miniature Ball:  2 - 3.5"

P    = Pompon:  up to 2"

ST  = Stellar

WL = Water Lily


SEE PICTURES OF DAHLIAS IN THESE CATEGORIES BELOW:


Giant AA (more than 10")

AC Darkhorse:  AA  SC  PR;    Leatherwood

01/16

Large A (8 - 10")

Dixie's Winedot:   A  ID   V,    Leatherwood

01/18

Medium B (6 - 8")

Sorbet:   B  SC  DB,  Leatherwood

1/8

Small BB (4 - 6")

Barbershop:   BB  ID  BI,  Leatherwood

1/8

Miniature M (smaller than 4")

Martina:  M   FD  DB,     Leatherwood

1/4

Miniature Ball MB (2 - 3.5")

Dorothy R:   MB  --  W,    Leatherwood

1/3

Ball BA ( > 3.5")

 Snoho Doris:   BA  --  DB,  Leatherwood

1/7

Pompon P (up to 2")

Rejman's Midnight Pom:   P  --  DR,  Leatherwood 

1/4

Stellar ST

AC Aquarius:   ST  --  DB,    Leatherwood

1/4

Water Lily WL

Hollyhill Black Widow:    WL  --   DR,  Leatherwood 

1/8

Dahlias by Form (ADS)

Classification by Form

The American Dahlia Society (ADS) has defined 20 different categories of dahlias by "FORM," as listed on this webpage.





          FD = Formal Decorative


          ID  = Informal Decorative


          SC = Semi-Cactus


          C   = Straight Cactus


          IC  = Incurved Cactus


          LC  = Laciniated  (a split at the end of petals, which are twisted for fringed                                          effect)


          BA = Ball  ( > 3.5")


          MB = Miniature Ball (2 - 3.5")   


          WL = Water Lily


          PE  = Peony-flowering


          AN = Anemone-flowering


          CO = Collarette


           S   = Single


          ST  = Stellar


          MS = Mignon Single


           O   = Orchid-flowering


          OT  = Orchette


          NO  = Novelty Open


          NX  = Novelty Fully Double





Granted this is a LOT of types of dahlias.  By grouping these pictures by "forms" of dahlias, perhaps it will be possible to see and understand the differences.   Please go to my next page (coming soon!) to see and compare these categories (they wouldn't fit on this page!!).




Click here for groupings of dahlias by form!

Dahlias by Color (ADS)

Categories of Dahlias by Color

The American Dahlia Society has defined 10 primary colors and 5 color combinations to classify dahlias by color.  My grandfather, Warren W. Maytrott, who established and operated Dahliadel Nurseries from 1916 to 1968 in Vineland, NJ, compiled the well-known "Dahliadel Color Chart," which was used for many years, even after his lifetime by the ADS to define dahlias by color!  Do you think my fascination with color, both in my career as a professor of mathematics (i.e., math in living color!) and now in my retirement years with dahlias, was inherited???


Here are the 10 colors:   


          BR = Bronze

          DP = Dark Pink

          DR = Dark Red

           L   = Lavender

         OR  = Orange

          PK = Pink

          PR  = Purple

           R   = Red

           W  = White

            Y  =  Yellow


Notice that there are NO blue dahlias!!


The color combinations are less obvious:


           BI = Bicolor

          FL = Flame Blend

          LB = Light Blend 

         DB = Dark Blend

          V  =  Variegated


Compare and contrast these categories with the examples below:          

   

BI Bicolor

Jessica:   BB  IC  BI,   Leatherwood

1/7

FL Flame Blend

Cheyenne:   BB  SC  FL,   Zula

1/10

LB Light Blend

Alpen Mary Lou:    A  SC  LB,   HCC

01/12

DB Dark Blend

Sorbet:    B  SC  DB,   Leatherwood

01/12

V Variegated

Dixie's Winedot:   A  ID  V,    Leatherwood

1/7

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