When should I plant 土豆 in Zone 3a?

Direct sow 土豆 outdoors around 5月8日. Expect first harvest around 8月6日.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is 5月22日. The first fall frost averages 9月12日, giving a 113-day growing season.

Yes. 土豆 needs 90 days to harvest. Zone 3a has a 113-day growing season, which is sufficient.

🥔

Zone 3a has harsh winters and a short growing season. Start 土豆 early indoors to maximize your harvest window. 末次霜冻: 5月22日. 初次霜冻: 9月12日.

Outdoor

Harvest

5月8日9月12日

Season: 5月22日 – 9月12日 (113 天)

区域3a

末次霜冻5月22日

初次霜冻9月12日

生长季113 天

收获90 天

日照全日照

Direct sow 土豆 seeds outdoors around 5月8日. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm 间距).

First harvest approximately 8月6日 (~90 天 from planting). Continue harvesting until first frost (9月12日).

❌ 番茄❌ 南瓜❌ 黄瓜❌ 南瓜

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