When should I plant Swiss Chard in Zone 4b?

Start Swiss Chard seeds indoors around Apr 3. Transplant outdoors after Apr 17. Expect first harvest around May 27.

What is the last frost date for Zone 4b?

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

Can I grow Swiss Chard in Zone 4b?

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

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🥬 Growing Swiss Chard in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Swiss Chard in this zone. Fros terakhir: May 1. Fros pertama: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 3Oct 5

Season: May 1 – Oct 5 (157 hari)

Zon4b

Fros terakhirMay 1

Fros pertamaOct 5

Musim157 hari

Tuaian55 hari

MatahariSeparuh Teduh

When to Plant Swiss Chard in Zone 4b

Start Seeds Indoors: Apr 3

Start Swiss Chard seeds indoors around Apr 3 (4 minggu sebelum fros terakhir). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Apr 17

Transplant Swiss Chard seedlings outdoors after Apr 17. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm jarak). Harden off plants for a week before moving outside.

Harvest: May 27

First harvest approximately May 27 (~40 hari from transplant). Continue harvesting until first frost (Oct 5).

Fall Planting: Aug 10

For a fall harvest, plant Swiss Chard around Aug 10 (8 weeks before first frost).

Swiss Chard in Other Zones

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

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