How to grow Sweet william 'Rainbow Loveliness'
Keep in mind when planting that Rainbow Loveliness is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing Rainbow Loveliness from seed
Transplanting Rainbow Loveliness
As Rainbow Loveliness is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.
Harvesting Rainbow Loveliness