🌱 Beginner Friendly✂ Cut Flower

Worton Blue Streak

Lilac petals that cool to blue-violet on overcast days.

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Semi-Cactus · 4–6"PurpleLewis (1975)United Kingdom

Worton Blue Streak was bred in United Kingdom by Lewis in 1975. Lilac-purple petals curl at the tips and take on a cooler blue-violet cast in overcast light, warming to pink-lilac under full sun. A British-bred cultivar from the Lewis family at Worton, registered with RHS in 1975, it holds a loyal following among UK growers for moody tone shifts. Worton Blue Streak is a semi-cactus dahlia that opens 4–6" blooms in purple.

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Specifications

Physical

Form: Semi-Cactus
Bloom class: BB4–6"
Bloom size: 4–6"(10.2–15.2 cm)
Plant height: 35–47"

Color

Color: Purple
Pattern: Solid
Tags: lilaclavendervioletmauvecool-tone

Growing context

Flowering season: Mid season
Cut flower: ✓ Yes
Stem length: 18"

Provenance

1975
United Kingdom
Breeder: Lewis

Grower Profile

Difficulty

Beginner friendly

Ideal for

BeginnersFlorists

Growing Worton Blue Streak

Pinch at four true leaves to build branching, then stake early because stems run long and can flop once heads fill out. Harvest when outer petals have unfurled but the center is tight for best hold after cutting.

Spacing: Space roughly 2–3 ft apart
Staking: Staking recommended once buds set