By our calculations, you should look at sowing Summer sun about 35 days before your last frost date.
bred by Kordes in 2009. Kordes roses are evaluated as highly disease resistant, winter hardy, fragrant and include shrubs and floribundas. These roses of significant achievement include Eliza, Purple Rain, ‘Summer Sun,’ Roxy, Cream Veranda, La Perla, Lion’s-Rose, Planten un Blomen, Jasmina, Blush Flower Circus and Kordes Moonlight.2
KORfocgri, Sommersonne