Tennessee · zones 7a–8a
When to plant green beans in Tennessee.
Sow between Apr 8 to May 29 in a typical year, keyed to Tennessee's median last frost around Apr 8. A second, fall sowing fits Jul 11 to Aug 13. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Green Beans dates for a typical Tennessee season.
Direct sow
Apr 8 to May 29
Keyed to the ~Apr 8 last frost. Sow 1" deep, 3" apart.
Fall round
Jul 11 to Aug 13
Counted back from the ~Oct 25 first frost.
Harvest
~55 days later
~0.75 lb per plant over ~3 weeks.
Tennessee spans more than one climate: Zone 7 is the most common zone, but the state runs 7a to 8a. That's why the planner works from your ZIP code's frost dates, not your zone: mountain and coastal gardens in the same state can be three weeks apart.
In Tennessee: watch for
The pests that find green beans here.
A middle-length season, about 200 frost-free days, means bush bean overlaps mexican bean beetle for a stretch each summer. Check plants every week or two and treat early.
Coppery ladybug-like beetles; leaves skeletonized to lace.
Organic fix: Handpick adults and yellow egg clusters; neem.
Orange or white spots on leaves late in the season.
Organic fix: Water at the base, space plants, spray neem.
Anthracnose
Sunken dark-red cankers on the pods, and leaf veins turning brick-red to black underneath.
Organic fix: Start with certified seed, water at the base, and stay out of the patch while the leaves are wet.
Your season math: Tennessee gives green beans about 200 frost-free days, and it needs roughly 55 days to a first harvest. That fits about 15 re-sown rounds across the season, so you can keep it coming instead of picking once.
Planting green beans in Tennessee: questions
When should I plant green beans in Tennessee?+
In a typical Tennessee year, sow green beans between Apr 8 to May 29, keyed to the state's median last frost around Apr 8. There's also a fall window: Jul 11 to Aug 13. Your exact dates shift with your ZIP code and microclimate.
What USDA zone is Tennessee?+
Tennessee spans zones 7a–8a, mostly zone 7. But frost dates, not zones, set planting time. The free planner uses your ZIP code's actual frost dates.
How many green beans plants do I need?+
Depends who you're feeding. The crop page has exact counts per household size, or the free planner does the math for your family in about 60 seconds.