What to Plant in September — Zone 6
One of the most popular gardening zones with a generous season for warm and cool-season crops alike.
Quick Answer
In zone 6 during September, early fall — cool-season crops return and the last warm-season crops are harvested. Your key tasks this month: plant garlic cloves and shallot sets, harvest winter squash, sweet potatoes, and dry beans, and seed cover crops in cleared beds.
September Gardening Tasks for Zone 6
September is early fall — cool-season crops return and the last warm-season crops are harvested. Zone 6 has a frost-free window from April 30 – Oct 15, which shapes what you can plant and when. Here is your complete task list:
Plant Guides for This Month
These plants are mentioned in your September tasks. Read their full growing guides for detailed planting instructions:
Potato
Digging up homegrown potatoes is like finding buried treasure. These satisfying …
Sweet Potato
Sweet potatoes are tropical vines that produce gorgeous ornamental foliage above…
Garlic
Garlic is the gardener's most patient reward. Planted in autumn and harvested th…
Helpful Guides for September
These gardening guides are especially useful this time of year:
- Seed Starting Indoors — essential if you're starting transplants this month
- Companion Planting Guide — plan your layout for maximum yield
- Organic Pest Control — prepare defenses as the season progresses
- Building Better Soil — start any month to improve next season's harvests
- Pest & Disease Library — identify and solve common garden problems organically
- Browse All Plant Guides — detailed growing instructions for every crop
Frequently Asked Questions
What should I plant in September in zone 6?
In zone 6 during September, focus on: Plant garlic cloves and shallot sets. Harvest winter squash, sweet potatoes, and dry beans. Seed cover crops in cleared beds. The frost-free period for zone 6 is April 30 – Oct 15.
Is it too late to plant in September in zone 6?
September is a productive month in zone 6. One of the most popular gardening zones with a generous season for warm and cool-season crops alike. Check each crop's days to maturity against your remaining frost-free window (April 30 – Oct 15).
What is USDA zone 6?
USDA Zone 6 has a frost-free growing season from approximately April 30 – Oct 15. One of the most popular gardening zones with a generous season for warm and cool-season crops alike.