To fertilize pumpkins, make sure soil already has lots of good compost and….

Organic matter worked in. Lightly broadcast 10-10-10 over area, till in, then plant transplants or sow seeds. When plants just start to vine, side-dress with 1 tablespoon per plant of 5-10-10, or one large handful of good compost which generally equals the same. Sprinkle around base of plant, but not up against stem. Water in.