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🧄 Growing שום in Zone 5a
Zone 5a has cold winters and a moderate growing season. Timing is key for שום in this zone. Last frost: May 5. First frost: Oct 1.
Season Too Short
שום needs 240 days to harvest, but Zone 5a has only a 149-day growing season. Consider short-season varieties or season extension techniques (cold frames, row covers).
When to Plant שום in Zone 5a
Sow Seeds Outdoors: Mar 24
Direct sow שום seeds outdoors around Mar 24. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).
Harvest: Nov 19
First harvest approximately Nov 19 (~240 days from planting). Continue harvesting until first frost (Oct 1). שום can overwinter in mild climates for continued harvest.
Fall Planting: Aug 20
For a fall harvest, plant שום around Aug 20 (6 weeks before first frost).
Companion Planting
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