French Sorrel Perennial Herb - Heirloom - 4" Pot - Very High in Vitamin C Harvest almost immediately. Hardy in zones 5-9. Sorrel stays green at temperatures as low as 10 F so you will have many months of harvests! High in Vitamin C Leaves can be used as salad greens, as a Complement to fish, or mixed in with spinach or chard Immediate shipping