Dahlia Blue Bayou is a striking decorative dahlia admired for its rich purple-blue blooms with a luminous, velvety finish. The large, fully double flowers are beautifully formed and make a bold statement in borders and cut flower displays. Flowering freely from mid-summer into autumn, this variety brings depth of colour and elegance to the garden. Blue Bayou is a reliable performer, valued for its dramatic presence and long-lasting blooms.
Why we like it
Rich purple-blue decorative blooms
Excellent for cutting
Strong, reliable flowering habit
What to know
Plant in a sunny position
Requires fertile, well-drained soil
Pinch early shoots to encourage bushier growth
Stake plants to support large flowers
Lift and store tubers over winter in colder areas
Flower colour
Purple-blue
Flowering months
July, August, September, October
Height and Spread
90110 cm
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