Updated guidelines from Better Homes & Gardens and MasterClass emphasize the patience required for ramp planting.
Growing from seed requires warm-and-cold stratification and takes 5 to 7 years to reach harvestable maturity. Conversely, planting nursery-ordered bulbs in February or March slashes that timeline down to 2 to 3 years.
Sources: [1] NC State Extension, [2] Better Homes & Gardens, [3] MasterClass, [4] Ambrook Research