1 Dahlia Black Jack I

1 Dahlia Black Jack I

1 Dahlia ‘Black Jack’ in a package with a large colour photo and planting instructions. (Outer of 5 packs)


The large-flowered cactus Dahlia ‘Black Jack’ is a rewarding summer bloomer that will give you pleasure for months. Dahlia ‘Black Jack’ blooms all summer from July until the first frost. Dahlia ‘Black Jack’ grows to about 100-110 cm high. It may be necessary to support the flower stems. Dahlia tubers can be planted in the spring. Dahlia ‘Black Jack’ is sensitive to frost, so be careful with late night frost. Dig a spacious planting hole, loosen the soil and fill the planting hole with good potting soil. Carefully place the tubers in the planting hole and cover with 3-5 cm soil. The planting distance of the tubers is 30-60 cm. Water the tubers immediately after planting. Dahlias bloom most profusely in full sun. Store the tubers in a frost-free place after flowering and you will enjoy them for years. Dahlia ‘Black Jack’ combines well with perennials and other Dahlia varieties. The orange pentals with white tipped flowers are real eye-catchers in the border. Dahlia ‘Black Jack’ is an excellent cut flower with a long vase life. The best time to cut Dahlias is early in the day. Immediately placing the stems in lukewarm water with cut flower food.

Additional information

Weight 0.6 kg

No of Bulbs

1 per Bag



Flowering time