September · Early autumn

What to sow in September in Zurich

28 crops are in their window this month in Zurich — timed to your local frost dates.

Last frost≈ 29 Apr
First frost≈ 28 Oct
Frost-free days57 days
September averages11°–20°C

Vegetables

24 in season
Amaranth Greens
Direct sow · pinch tips often for a steady flush of tender greens
Closes 14 Sep
Arugula
Direct sow · sow every 2-3 weeks for a steady peppery harvest
All month
Beets
Direct sow · soak seed clusters overnight to speed germination
Closes 3 Sep
Bok Choy
Direct sow · fall crops resist bolting better than spring ones
Closes 23 Sep
Broad Beans
Direct sow · pinch growing tips once pods set to deter aphids
Opens 16 Sep

Herbs

4 in season
Chervil
Direct sow · prefers cool shade, bolts quickly once hot
Closes 23 Sep
Cilantro
Direct sow · bolts fast in heat, sow small batches often
Closes 23 Sep
Dill
Direct sow · taproot resents transplanting, sow direct
Closes 28 Sep
Fenugreek (Methi)
Direct sow · ready to cut in under a month; sow again for more
Closes 18 Sep

Fruit · nothing to sow this month