The wild lupine is native to the Pacific Northwest and will thrive in most climates. It reaches heights of 3 feet, has gray-green foliage and pea-shaped blossoms. The most common blossom color is blue. Other colors include white, yellow, red and violet. The plant blooms in early summer and completes its flowering cycle by mid-summer.
Plan to sow your lupine seeds in the spring, after all threat of frost has passed.
Plant in a site that receives full sunlight.
Loosen the soil with a pitchfork to a depth of 6 inches. Remove sticks, rocks and other debris. Add 1/2 gallon of sand and 1/2 gallon of compost to the soil and mix thoroughly if the soil is wet clay.
Soak the lupine seeds in a bowl of water for 24 hours before planting.
Make 1 to 2 inch deep holes in the soil by hand or with a garden trowel. Space the holes 8 to 10 inches apart.
Place a seed into each hole and cover it with soil.
Water the growing site until it is thoroughly moist, not soggy. Mist the area every two to three days.
Apply a general all-purpose plant fertilizer to the growing site once the seedlings are four weeks old. Repeat at eight weeks. Follow the dosage instructions on the manufacturer's label.
Clip the flower stems completely back once the blooms fade to encourage further growth.
Avoid cutting back the foliage in the fall until after the plant's seeds have dropped.