When should I plant Rhubarb in Zone 6a?

Start Rhubarb seeds indoors around Peb 17. Transplant outdoors after Mar 31. Expect first harvest around Mar 31.

What is the last frost date for Zone 6a?

The average last spring frost date for Zone 6a is Abr 28. The first fall frost averages Okt 8, giving a 163-day growing season.

Can I grow Rhubarb in Zone 6a?

Yes. Rhubarb needs 90 days to harvest. Zone 6a has a 163-day growing season, which is sufficient.

Growing Rhubarb in Zone 6a

Zone 6a has mild winters and a long growing season -- good conditions for Rhubarb. Huling frost: Abr 28. Unang frost: Okt 8.

Planting Calendar

Indoor

Outdoor

Harvest

Peb 17Okt 8

Season: Abr 28 – Okt 8 (163 araw)

Zone6a

Huling frostAbr 28

Unang frostOkt 8

Season163 araw

Ani90 araw

ArawBuong Araw

When to Plant Rhubarb in Zone 6a

Start Seeds Indoors: Peb 17

Start Rhubarb seeds indoors around Peb 17 (10 linggo bago ang huling hamog). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: Mar 31

Transplant Rhubarb seedlings outdoors after Mar 31. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm pagitan). Harden off plants for a week before moving outside.

Harvest: Mar 31

First harvest approximately Mar 31 (~365 araw from transplant). Continue harvesting until first frost (Okt 8). Rhubarb can overwinter in mild climates for continued harvest.

Rhubarb 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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