Semi-Cactus Dahlia 'Worton Blue Streak'

Dahlia

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Dahlia (DAHL-ya)
Synonym
Additional cultivar information
(aka Worton Bluestreak)
Hybridized
Lewis
Registered or introduced
1975
Height
36-48 in. (90-120 cm)
Spacing
18-24 in. (45-60 cm)
Danger
Parts of plant are poisonous if ingested
Foliage
Herbaceous
Smooth
Bloom Color
Lilac, Lavender, Mauve
Sun Exposure
Full Sun
Sun to Partial Shade
Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Lavender
Bloom Time
Mid Summer
Late Summer/Early Fall
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Other Details
Other details
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Section
Semi-Cactus
Flower Size
Small - 4 to 6 inches (100 to 150 mm) diameter
Pruning
Disbud
Foliage Color
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Water Requirements
Average Water Needs; Water regularly; do not overwater
Where to Grow
Can be grown as an annual
Fruit Shape
Fruit Size
Fruit Colors
Growing Habit
Days to Maturity
Seed Type
Disease Resistance
Leaf Type
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Category
Bulbs
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

This plant is said to grow outdoors in the following regions:

Columbus, Ohio

Coshocton, Ohio

Grants Pass, Oregon

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Gardener's Notes:

0
positive
0
neutral
0
negative
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Featured
Pilosocereus Species
(Pilosocereus leucocephalus)
Leaf footed Bug
(Leptoglossus phyllopus)
Common Raven
(Corvus corax)