Not long after the snow melts from your garden, you can plant snowpea seeds directly in the soil.
Oregon GiantPea Seed
Large-podded snow pea.
Sweet berries inside big sweet pods combine for a delicious flavor treat. High yields of large, 4½" x 1", medium green, flat pods. The 30", white-flowered vines grow with or without support. From Dr. James Baggett of Oregon State Univ.
Peas are a cool weather crop. Midsummer pickings are not as prolific as earlier harvests. For best yields ensure adequate fertility and a pH of 6.0-7.5. Adjust pH with ground limestone or wood ashes before planting. Plant the first sowing in early spring as soon as the soil can be worked. In well-drained soil, sow 1-1 1/2" apart in a 3" band (25 seeds/ft.), 1/2-1" deep. Do not thin. Varieties under 3' tall can be sown without support in rows 12"-18" apart. For taller varieties use a trellis net or chicken wire to keep vines upright, easy to pick and off the ground where they are less likely to rot if rainy weather coincides with harvest. Suspend the bottom of the trellis net or chicken wire just above the young plants. The best time to install a trellis is at planting time.