When should I plant תפוח אדמה in Zone 4a?

Direct sow תפוח אדמה outdoors around Apr 21. Expect first harvest around Jul 20.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Yes. תפוח אדמה needs 90 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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Zone 4a has cold winters and a moderate growing season. Timing is key for תפוח אדמה in this zone. כפור אחרון: May 5. כפור ראשון: Oct 1.

Outdoor

Harvest

Apr 21Oct 1

Season: May 5 – Oct 1 (149 ימים)

אזור4a

כפור אחרוןMay 5

כפור ראשוןOct 1

עונה149 ימים

קטיף90 ימים

שמששמש מלאה

Direct sow תפוח אדמה seeds outdoors around Apr 21. Wait until soil temperature reaches 45F. Space plants at 1/מ² (30cm מרווח).

First harvest approximately Jul 20 (~90 ימים from planting). Continue harvesting until first frost (Oct 1).

✅ כרוב✅ ציפורנים✅ חציל ✅ תירס✅ שעועיות

❌ עגבניות❌ דלועות❌ מלפפונים❌ דלעת

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Track תפוח אדמה from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.