Growing Lupins From Seed. Place the lightly grazed seeds on top and then fold the kitchen towel up. Make sure there’s good contact between the kitchen towel and lupin seeds.
Prepare a s ubstrate rich in organic matter and with good drainage, if you want to improve drainage you. Place the lightly grazed seeds on top and then fold the kitchen towel up. Keep the soil moist throughout.
Growing Lupins from Seed — BBC Gardeners' World Magazine
Soak the lupine seeds overnight. Prepare a s ubstrate rich in organic matter and with good drainage, if you want to improve drainage you. But, be prepared to wait up to 28 days. Lay the seeds on top of the soil, spacing the seeds 12 inches apart.