When should I plant 洋甘菊 in Zone 4b?

Start 洋甘菊 seeds indoors around 3月20日. Transplant outdoors after 4月24日. Expect first harvest around 6月8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.

Can I grow 洋甘菊 in Zone 4b?

Yes. 洋甘菊 needs 60 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

种植洋甘菊区域 4b

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

Planting Calendar

Indoor

Outdoor

Harvest

3月20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60 天

日照全日照

When to Plant 洋甘菊 in Zone 4b

Start Seeds Indoors: 3月20日

Start 洋甘菊 seeds indoors around 3月20日 (6 周(最后霜冻前)). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: 4月24日

Transplant 洋甘菊 seedlings outdoors after 4月24日. Wait until soil temperature reaches 45F. Space plants at 8/m². Harden off plants for a week before moving outside.

Harvest: 6月8日

First harvest approximately 6月8日 (~45 天 from transplant). Continue harvesting until first frost (10月5日).

洋甘菊其他区域

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

规划花园洋甘菊

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

Start Free 洋甘菊 Growing Guide

种植 洋甘菊 区域 4b