Dahlia, Decorative ‘Duet’

Dahlia ‘Duet’ produces large 5-6” bright, two-tone flowers with a long bloom period. This gorgeous perennial is vigorous and fast growing. It is an outstanding addition to the flower border or container garden. It is heat resistant and makes a superb long-lasting cut flower. ‘Duet’ will bloom the first year and add a lovely spot of color in the late summer garden. Your dahlias will bloom from midsummer until frost. They are a welcome addition to the garden late in the season when other flowers are fading.

  • Excellent cut flower for bouquets and arrangements
  • Blooms the first year for a stunning garden!
  • Heat resistant

Plant Details +

Botanical Dahlia decorative 'Duet'
Common Name Dahlia 'Duet'
Height 30-35"
Spacing 15"
Hardiness 8-11; Annuals in 2-7
Exposure Full sun
Foliage Green
Flower Dark wine w/white
Bloomtime Midsummer-Fall

Planting/Care Instructions +

Planting Instructions: Plant Dahlias in well-drained soil in a sunny location. Plant in spring, after ground, warms to about 50º F. 1. Dig a hole 3-4" deep. 2. Set the tuberous root firmly in place. 3. Cover the tuberous root with soil and water thoroughly. Plant in well-drained soil in a sunny location, with protection from the wind. Supply ample moisture and fertilizer during the growing season. When the plant reaches 1 ½' in height, trim plant to 1'. In two weeks, trim the plant back again to about 1 ½'. Remove spent flowers. Tuberous roots must be lifted from the ground in zones 7 and lower for winter.

Pests or Diseases: Susceptible to aphids, botrytis blight, earwigs, powdery mildew, slugs and snails, spider mites, thrips