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🧄 の栽培 ニンニク ゾーン 4a
Zone 4a has cold winters and a moderate growing season. Timing is key for ニンニク in this zone. Last frost: May 15. First frost: Sep 22.
Season Too Short
ニンニク needs 240 days to harvest, but Zone 4a has only a 130-day growing season. Consider short-season varieties or season extension techniques (cold frames, row covers).
When to Plant ニンニク in Zone 4a
Sow Seeds Outdoors: Apr 3
Direct sow ニンニク seeds outdoors around Apr 3. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).
Harvest: Nov 29
First harvest approximately Nov 29 (~240 days from planting). Continue harvesting until first frost (Sep 22). ニンニク can overwinter in mild climates for continued harvest.
Fall Planting: Aug 11
For a fall harvest, plant ニンニク around Aug 11 (6 weeks before first frost).
Companion Planting
の庭を計画 ニンニク
Track ニンニク from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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