When should I plant 琉璃苣 in Zone 4b?

Direct sow 琉璃苣 outdoors around 4月17日. Expect first harvest around 6月11日.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is 5月1日. The first fall frost averages 10月5日, giving a 157-day growing season.

Yes. 琉璃苣 needs 55 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

Zone 4b has cold winters and a moderate growing season. Timing is key for 琉璃苣 in this zone. 末次霜冻: 5月1日. 初次霜冻: 10月5日.

Outdoor

Harvest

4月17日10月5日

Season: 5月1日 – 10月5日 (157 天)

区域4b

末次霜冻5月1日

初次霜冻10月5日

生长季157 天

收获55 天

日照全日照

Direct sow 琉璃苣 seeds outdoors around 4月17日. Wait until soil temperature reaches 50F. Space plants at 18/m².

First harvest approximately 6月11日 (~55 天 from planting). Continue harvesting until first frost (10月5日).

✅ 草莓✅ 番茄✅ 南瓜✅ 黄瓜

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