September · Early autumn
What to sow in September in St. Louis
2 crops are in their window this month in St. Louis — timed to your local frost dates.
Last frost≈ 22 Apr
First frost≈ 9 Oct
Frost-free days38 days
September averages58°–83°F
Vegetables
2 in season
Garlic
Plant cloves · plant pointy-side up for straight, strong shoots
Shallots
Plant sets · plant sets pointy-end up, just under the soil
Herbs · nothing to sow this month
Fruit · nothing to sow this month