Dahlia

Dahlia
Dahlia
Dahlia

Family: Compositae


Plant type Annual, perennial
Height 6 inches to 5 feet
Spread 6 inches to 3 feet
Habit Bushy, upright
Foliage
Growth rate Moderate
Interests Flowers
Uses Borders, pots and tubs
Skill level Average
Maintenance Moderate to heavy
Hardiness 9
Heat zone
Sun Full sun
Moisture Dry to moist
Soil type Slightly acid to slightly lime
Soil fertility Fertile
Water consumption Heavy
Site Sheltered to average
Flower colour Mixed, orange, pink, purple, red, white, yellow
Flower season Early summer to early autumn
Flower size Medium to very large
Foliage colour Green, purple
Fruit colour
Edible parts
Harvest time
Stems
Features
Wildlife Bees, butterflies
Texture

Dahlias are a vast group of annuals and perennials. Flowers come in virtually any colour except true blue and in a variety of different forms. Dwarf varieties are used as annual bedding, larger types are used in the perennial border or as dot plants in containers.

Dahlias require a fertile soil in full sun. In frost free areas the can be left outdoors all year round, otherwise the tubers can be dug up at the first sign of frost, stored dry over winter and replanted the following spring.

Most border varieties will require staking and all types will require regular dead heading.

Task Calendar

SeasonDetails
Mid-autumn Lift tubers and store over winter
Mid-spring Replant stored tubers

 

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