Giant Single Mixed Sweet William Seeds 6645

Description Giant Single Mixed Sweet William Seeds 6645. Open Pollinated. Perennial. Approx. 500 seeds/pkt (900 seeds/gram) Vivid colours, early flowering and tolerant of summers heat! Large, beautiful flowers in colours of pink, rose and red. This great garden performer grows to a compact height of 25 cm making them ideal border plants. Suitable for cold-frame sowing in April to early May. This variety often self-seeds. Needs adequate moisture to germinate. Biennial hardy to Zone 3. How to Grow Seed can be directly sown in the garden in a sunny spot in mid to late May for flowering in the following year. Seed can be started indoors in a soil-less mix 8 weeks before last frost. Sow seed 3 mm deep and keep at 21° C for the 10-20 day germination period. After germination, grow on at a slightly cooler temperature before hardening off and transplanting outside to a sunny spot after the danger of frost has passed. Space plants 15 cm apart in the garden.