Lemongrass is a tropical herb that grows as an annual in most US zones. Essential for Thai and Vietnamese cuisine.
Zone 3B has a short growing season — start seeds indoors when possible and use season-extending techniques like cold frames and row covers.
Good companions: tomatoes, peppers (deters pests with its scent)
Avoid planting near: none in particular
Cut stalks at base when they’re pencil-thick or larger
USDA Hardiness Zone 3B has an average last spring frost around May 15 and first fall frost around Sep 15. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.