When should I plant Ubi Jalar in Zone 3b?

Start Ubi Jalar seeds indoors around Mar 20. Transplant outdoors after Jun 5. Expect first harvest around Sep 3.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Ubi Jalar in Zone 3b?

Yes. Ubi Jalar needs 100 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🍠 Growing Ubi Jalar in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Ubi Jalar early indoors to maximize your harvest window. Embun beku terakhir: May 15. Embun beku pertama: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Sep 22

Season: May 15 – Sep 22 (130 hari)

Zona3b

Embun beku terakhirMay 15

Embun beku pertamaSep 22

Musim130 hari

Panen100 hari

MatahariMatahari Penuh

When to Plant Ubi Jalar in Zone 3b

Start Seeds Indoors: Mar 20

Start Ubi Jalar seeds indoors around Mar 20 (8 minggu sebelum embun beku terakhir). Optimal germination temperature: 85F. Germinates in 14-21 days.

Transplant Outdoors: Jun 5

Transplant Ubi Jalar seedlings outdoors after Jun 5. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Sep 3

First harvest approximately Sep 3 (~90 hari from transplant). Continue harvesting until first frost (Sep 22).

Tanaman Pendamping

✅ Dill ✅ Oregano ✅ Thyme

Ubi Jalar 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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