Lemongrass is a perennial in USDA zones 9 (or possibly 8) and above.Lemongrass can be grown as a perennial in any USDA zone as long as it is properly overwintered.Growing conditions affect flavor ...

Key Points. Growing certain herbs such as basil and parsley from seed is cost-effective when used frequently, while more hard-to-find herbs offer added value when homegrown.