Growing Thyme in Zone 3B

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

Zone 3B 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 3B

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.