Plant Spacing: 18 inches. Moisture: Keep seed moist until germination. Perennial Lupine - Lupinus perennis from Victory Seeds® ... will improve germination results. Care & Maintenance: Lupine. Keep the soil lightly moist until germination… Sowing: To soften the hard coating on these seeds, rub them lightly with sandpaper or soak them in 180 degrees F water overnight before sowing. Seeds of the genus Lupinus exhibit dor-mancy characteristics that may be altered by fire or scarification. Sow them in early spring, planting 1/2" deep. Start seeds indoors, six to eight weeks before your last expected frost date, by sowing about one-quarter inch deep, three or four seeds … Perennial varieties of lupine grow in U.S. Department of Agriculture plant hardiness zones 4 through 8. For spring sowing, scarification (or ‘roughing up’ the seed coating) is recommended for dried seeds… The Lupinus genus includes both annual and perennial plants. Lupine (Lupinus Perennis) - Bring beauty and interest to a natural setting by sowing Lupine wild flower seeds… The seeds can lie dormant for many years because they are impermeable, and they will germinate under increasing relative humidity (Quin-livan 1971) or when the seed … Lupinus perennis seeds can be planted directly in the fall and allow nature to provide the required chill for germination, or you can wait for spring. How to Start Lupine Seeds.