When should I plant 向日葵 in Zone 11a?

Start 向日葵 seeds indoors around 1月7日. Transplant outdoors after 2月4日. Expect first harvest around 4月10日.

What is the last frost date for Zone 11a?

The average last spring frost date for Zone 11a is 1月28日. The first fall frost averages 12月22日, giving a 328-day growing season.

Can I grow 向日葵 in Zone 11a?

Yes. 向日葵 needs 90 days to harvest. Zone 11a has a 328-day growing season, which is sufficient. You can plant up to 17 successions.

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🌻 种植向日葵区域 11a

Zone 11a has a year-round growing season. 向日葵 can be planted almost any time with proper planning. 末次霜冻: 1月28日. 初次霜冻: 12月22日.

Planting Calendar

Indoor

Outdoor

Harvest

1月7日12月22日

Season: 1月28日 – 12月22日 (328 天) · Succession: plant every 2 weeks (up to 17x)

区域11a

末次霜冻1月28日

初次霜冻12月22日

生长季328 天

收获90 天

日照全日照

When to Plant 向日葵 in Zone 11a

Start Seeds Indoors: 1月7日

Start 向日葵 seeds indoors around 1月7日 (3 周(最后霜冻前)). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 2月4日

Transplant 向日葵 seedlings outdoors after 2月4日. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm 间距). Harden off plants for a week before moving outside.

Harvest: 4月10日

First harvest approximately 4月10日 (~65 天 from transplant). Continue harvesting until first frost (12月22日).

伴生植物

✅ 黄瓜✅ 南瓜 ✅ 玉米✅ 豆类

❌ 土豆

向日葵其他区域

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

规划花园向日葵

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

Start Free 向日葵 Growing Guide

🌻 种植 向日葵 区域 11a