Dahlia Manhattan Island - organic flower bulb

Dahlia ‘Manhattan Island’ – Large, Decorative Summer Bloomer

The Dahlia ‘Manhattan Island’ is a stunning, large-flowered decorative dahlia that brings months of color and charm to your summer garden. Its striking red-yellow blooms make it a real eye-catcher in the border and an excellent choice as a cut flower.

Bloom and Growth

Dahlia ‘Manhattan Island’ blooms abundantly from July until the first frost and grows to about 90 cm tall. Its compact yet sturdy growth makes it ideal for borders, though the flower stems may occasionally need support. Thanks to sustainable cultivation, you can enjoy this versatile plant for many years.

Planting and Care

Plant dahlia tubers in spring. Dahlia ‘Manhattan Island’ is frost-sensitive, so protect tubers from late frost. For successful planting:

1. Dig a spacious hole and loosen the soil.

2. Fill the hole with good-quality potting soil.

3. Place the tubers carefully and cover with 3–5 cm of soil.

4. Maintain a spacing of 30–60 cm between plants.

5. Water immediately after planting.

Dahlias thrive in full sun. After flowering, store the tubers in a frost-free location to enjoy them for years.

Combinations and Use

Dahlia ‘Manhattan Island’ pairs beautifully with perennials and other dahlias. Its red-yellow flowers add depth and color to borders. This dahlia is also an excellent cut flower. For optimal vase life:

• Cut flowers early in the morning.

• Place stems immediately in lukewarm water with flower food.

• Remove any leaves in the water to prevent decay.

Extra Tips

• Stake the flower stems during rainy or windy periods.

• Deadhead regularly to encourage continuous blooming.

• Combine with low perennials or ornamental grasses for a playful border effect.

With its long flowering period, compact growth, and striking red-yellow blooms, Dahlia ‘Manhattan Island’ is a perfect choice for any summer garden.