Product Description
Dahlia Black Jack is a fabulous Dinner Plate Dahlia which produces dark purple flowers that are near black in appearance. This semi-cactus variety is a superb addition to any garden border or patio pot display and the showstopping blooms make them an ideal choice for cut flowers for the vase. Height 80-100cm and spread 50cm. Large dinner sized plate flowers appear once fully bloomed. Flowers June to September. First grade tubers supplied.
This product is part of our new premium Dahlia range. Bred for their quality, providing you with a premium summer display.
Plant Size
| Mature Height | 85 cm |
|---|---|
| Mature Spread | 50 cm |
| Plant Spacing | 45 cm |
| Annual Growth | 85 cm |
Planting Notes
| Planting | Plant at approx 10cm deep. |
|---|---|
| Soil Type | Well drained/light soil |
Growing at a glance…
Dahlia tubers can be planted outdoors, 10cm deep in fertile well-drained soil in spring when the frost has disappeared. They prefer to be in a sunny location and spaced at approximately 45cm apart. In areas where there is extreme cold, dig up dahlias and store in potting compost over the winter. Apply a high potash fertiliser every few weeks in the summer to help growth. Dead head when necessary.
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