B and T World Seeds' reference number: 444488
Type of plant - annual
Flower: BLACK-PURPLE, semi. to double
Height in meters: 1.6

Alcea rosea Blackcurrant Whirl double annual is included in the following B and T World Seeds flowering plant categories:
44:   Cut flowers Commercial and other Recommended Varieties
53:   Bedding Plant Seed List
161:   Edible Flowers
185:   Plant Species whose germination is improved by Smoke
487:  Malvaceae
698:   First Year Flowering Perennials
952:   Wholesale Selection

Germination guide
Alcea rosea Blackcurrant Whirl double annual seeds will usually germinate in 10-12 days. Normally will only germinate with light so surface sow. Sow Alcea rosea Blackcurrant Whirl double annual seeds on the surface of a Peaty seed sowing mix at about 15-20°C.

Can be sown in situ.