🌱Leek is usually grown as an annual crop, but it’s actually a true perennial! The roots of winter-hardy varieties can survive temperatures down to -20 to -30 F with protection. (Scientific name: Allium ampeloprasum). This variety is American Flag Leek. 🌱To start your perennial patch of leeks, sow twice as many seeds than you normally would. Thin or transplant seedlings 4-6 inches apart (6-9 per square foot). Leeks mature between 90-150 days depending on variety. ✅When it’s time to harvest, dig