Days to Harvest: 75. The smooth firm skin of this bright orange pumpkin is ideal for carving a Halloween jack-o’-lantern. Sowing: Sow seeds outdoors in late May and June. Can be started indoors in paper or fibre pots 3 weeks earlier. Comments: Before planting, dig in well rotted manure or organic matter. Prevent rot by protecting mature pumpkins from frost or freezing temperatures. Approx. 25 sds/pkt.