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🧄 Growing שום in Zone 10a
Zone 10a has a year-round growing season. שום can be planted almost any time with proper planning. Last frost: Feb 20. First frost: Dec 1.
Planting Calendar
Season: Feb 20 – Dec 1 (284 days)
When to Plant שום in Zone 10a
Sow Seeds Outdoors: Jan 9
Direct sow שום seeds outdoors around Jan 9. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).
Harvest: Sep 6
First harvest approximately Sep 6 (~240 days from planting). Continue harvesting until first frost (Dec 1). שום can overwinter in mild climates for continued harvest.
Fall Planting: Oct 20
For a fall harvest, plant שום around Oct 20 (6 weeks before first frost).
Companion Planting
Plan Your Garden שום
Track שום from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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