Perry's Perennial Pages

sunflower 2002 Sunflower Trials

Dr. Leonard Perry, University of Vermont; Milton, VT USDA zone 4a
Cultivar
Height, in.
flower color
flower width, in. 
bloom time 1
foliage rating 2
foliage width, in.
branched
notes
Cappucino
54
dark red
6
L
3
4.5
no
 
Chianti
42
dark red
4.5
M-L
3
4
yes
 
Claret
54
red-orange
5.5
M
3
5
yes
 
Crimson Thriller
48
org-yellow
5.5
M
3
5.5
yes
variable
Del Sol
24
yellow
4
E
3
2.5
no
small plants
Double Dandy
20
red/yellow
5
E
3
4
yes
buds in axils, double
Dwarf Yellow Spray
20
yellow
3
E
3
4
yes
very branched
Elf
18
yellow
4.5
M
3
3.5
yes
 
Elite Sun
40
yellow
6
E
3
4.5
yes
buds in axils
Floristan
36
red/yellow
3
M
2
3
no
 
Giant Sungold
54
gold
6
L
2
6
no
very double
Happy Face
40
gold
6.5
M
3
5
no
big yellow center
Holiday
36
gold
4
M
3
4
yes
 
Jade
30
yel-white
4
E
3
4
yes
 
Lemon Eclair
27
lt yellow
5
E
2
2.5
no
dk centers, dbl petals
Lemonade
40
lt/dk yellow
4
M
3
3
yes
unique dk yel center
Little Dorrit
24
yellow
4
M
3
4
yes
 
Moonwalker
60
lt yellow
5
M
3
7
yes
 
Moulin Rouge
60
dk red
6.5
M-L
3
6
yes
dk stems, very branched
Pacino
18
yellow
4
M
3
3.5
yes
 
Prado Red
36
dk red
5
E
3
4
yes
yellow petal undersides
Prado Yellow
36
yellow
5
E
3
4
yes
 
Ring of Fire
48
red/yellow
4
M-L
3
4
yes
long bloom
Solar Eclipse
54
dk red
6
L
3
5
no
unique when backlit
Soraya
48
gold
5
L
3
5
yes
long bloom
Stella Gold
36
yellow
5
M
1
4
no
short bloom
Strawberry Blonde
54
red-yellow
5
M
3
4.5
yes
reddish stems
Sunbeam
34
gold
7
M
3
7
no
very big center
Sunbright
48
gold
6
M-L
3
4.5
no
big centers
Sundrops
42
dk yellow
3
M
3
3
yes
shiny leaves, leafy effect
Sunny
54
gold
6
M
3
5.5
no
big center
Sunset
36
red/yellow
3.5
M
3
3.5
no
 
Taiyo
42
gold
6
M-L
3
6.5
no
big center
Tangina
28
gold
2.5
M
3
2
yes
unique flower size
Teddy Bear
24
gold
4
M
3
5
yes
double flowers
The Joker
54
yellow
5
M
3
4.5
no
unique semi-dbl flowers
Titanic
48
gold
6.5
L
3
6
no
latest to bloom 9/14
Valentine
48
lt yellow
5
L
3
3
yes
long bloom
Vanilla Ice
54
lt yellow
4
M
3
2.5
yes
flowers turn white, long bloom
Velvet Queen
60
red-yellow
4.5
M
3
6
yes
 

Plants begun in 3601 cells at UVM greenhouses, planted outside into loam soil 6/1, Miracle Gro applied at planting and monthly. Data biweekly, minimum 3 plants each cultivar. Plants were generally shorter than previous years, due perhaps to wet/cool June and dry/hot August.

1Bloom time: E=flowers 1st two weeks7/25-8/7, M=flowers 2nd two weeks 8/14-21, L=flowers after 8/21.
Flower width of most open primary flowers.
2Foliage rating: 1=many leaf spots, insect damage; 2=some leaf spots; 3=no leaf damage

Overall best from these trials, this year, this site:
Early: none particularly striking
Mid: Claret (red-orange), Moulin Rouge (dark red), Ring of Fire (red/yellow), Sunny (gold), Teddy Bear (gold dwarf), Lemonade (yellow lt/dk)
Late: Giant Sungold (gold dbl), Soraya (gold), Titanic (gold dbl), Valentine (lt yellow)


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