When should I plant Rhubarb in Zone 11a?

Start Rhubarb seeds indoors around Nob 19. Transplant outdoors after Dis 31. Expect first harvest around Dis 31.

What is the last frost date for Zone 11a?

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

Can I grow Rhubarb in Zone 11a?

Yes. Rhubarb needs 90 days to harvest. Zone 11a has a 328-day growing season, which is sufficient.

Growing Rhubarb in Zone 11a

Zone 11a has a year-round growing season. Rhubarb can be planted almost any time with proper planning. Huling frost: Ene 28. Unang frost: Dis 22.

Planting Calendar

Indoor

Outdoor

Harvest

Nob 19Dis 22

Season: Ene 28 – Dis 22 (328 araw)

Zone11a

Huling frostEne 28

Unang frostDis 22

Season328 araw

Ani90 araw

ArawBuong Araw

When to Plant Rhubarb in Zone 11a

Start Seeds Indoors: Nob 19

Start Rhubarb seeds indoors around Nob 19 (10 linggo bago ang huling hamog). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: Dis 31

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

Harvest: Dis 31

First harvest approximately Dis 31 (~365 araw from transplant). Continue harvesting until first frost (Dis 22). 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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