Growing Thyme in Zone 4B

Thyme is a low-growing perennial herb perfect for borders, rock gardens, and containers.

Zone 4B has a short growing season — start seeds indoors when possible and use season-extending techniques like cold frames and row covers.

Top Growing Tips

• Perennial in zones 5-9 — very cold-hardy
• Needs well-drained soil and full sun
• Don’t overwater — thyme prefers dry conditions
• Trim after flowering to keep plants compact
• Creeping varieties make excellent ground covers

Companion Planting

Good companions: cabbage, potatoes, strawberries, eggplant

Avoid planting near: none in particular

Harvest Timeline

Snip sprigs anytime; best flavor just before flowering

About Zone 4B

USDA Hardiness Zone 4B has an average last spring frost around May 1 and first fall frost around Oct 1. 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.