A superb performer, the Astra series offers higher germination rates, better branching, more blooms, richer color, and better staying power on dwarf, 8-12 inch multi-branched plants. Loads of large 3 inch balloon-type blooms open in the first part of summer and continue blooming right up to frost the first year from seed! Hardy to zone 4 Astra grows well in full to part sun and is ideal for borders and containers. Pkt. 25