Sowday
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September · Early spring
What to sow in September in Santiago
67 crops are in their window this month in Santiago — timed to your local frost dates.
Last frost
≈ 30 Aug
First frost
≈ 15 May
Frost-free days
256 days
September averages
7°–22°C
°C
°F
Vegetables
48 in season
Amaranth Greens
Direct sow · pinch tips often for a steady flush of tender greens
Opens 13 Sep
Armenian Cucumber
Direct sow · wait for warm soil; trellis for straighter fruit
Opens 13 Sep
Artichoke
Start indoors · seedlings need a cold snap to set buds in year one
Closes 27 Sep
Arugula
Direct sow · sow every 2-3 weeks for a steady peppery harvest
All month
Asparagus
Plant crowns · resist harvesting until the second or third spring
All month
Show 43 more vegetables →
Herbs
14 in season
Basil
Start indoors · loves heat, don't rush it outside before frost
All month
Chervil
Direct sow · prefers cool shade, bolts quickly once hot
Closes 13 Sep
Cilantro
Direct sow · bolts fast in heat, sow small batches often
All month
Dill
Direct sow · taproot resents transplanting, sow direct
All month
Epazote
Direct sow · cut flower heads early or it self-seeds everywhere
All month
Show 9 more herbs →
Fruit
5 in season
Blueberries
Plant bushes · needs acidic soil and a second variety to pollinate
Closes 27 Sep
Ground Cherries
Transplant seedlings · let ripe fruit drop; husks turn tan and papery
Opens 13 Sep
Melon (Cantaloupe)
Direct sow · warm soil is key; try black plastic mulch to help
Opens 13 Sep
Strawberries
Plant runners · pinch off first-year flowers for stronger plants
Closes 20 Sep
Watermelon
Direct sow · give vines plenty of room and consistent water
Opens 13 Sep