100 SIBERIAN WALLFLOWER SEEDS ORANGE  Annual/Perennial:Biennial Color:Orange Bloom Time:Early Season Height:10 18" Sun/Shade:Sun Native To:Europe Zones:3 - 9 The seeds can be sown directly into the soil in mid summer or very early spring. Sow them at the depth of 1/4 inch and about 8-10 inches apart.