Add to the riot of colour in your garden with the spectacular and showy double blooms from the Johnsons Cosmos Double Dutch Rose Seeds. They are perfect for long flowering displays in mixed summer borders. The showy double blooms over bushy, light and airy, attractive foliage are just what you need for a colourful and cheery addition to your garden. Indoor sowing: February to April, in trays of seed compost. Sow thinly, cover with 0.5cm of compost. Firm gently and keep moist. Keep at approx. 15-20˚C. Seedlings appear 14-21 days. Grow on at approx. 13-15˚C. When large enough transplant 5cm apart in trays. Stand outside for a few days late May (avoid frosts). Transplant 30cm apart in flowering position. Keep moist and weed free. Flowers June to October. Remove dead heads to prolong flowering. Outdoor sowing: April to May, in a prepared seed bed in flowering position. Sow thinly in rows 30cm apart. Cover lightly with fine soil. Firm gently and keep moist. When large enough thin to 30cm apart. Keep moist and weed free. Flowers June to October. Remove dead heads to prolong flowering. TIP: Will do well even in relatively poor soil.