Seeds from these wonderful Alcea rosea Mars Magic. Although technically biannuals if you let these reseed you can have them every year. No pretreatment necessary, just sow seeds just below the soil surface at 70 degrees and water. These 3 to 4 inch dark red single blooms are all found on a 48-60 inch stems. Will produce more flowers in cooler climates. These are biennials that bloom in May – October in full sun.