When should I plant Rhubarb in Zone 10a?

Start Rhubarb seeds indoors around Dis 12. Transplant outdoors after Ene 23. Expect first harvest around Ene 23.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Peb 20. The first fall frost averages Dis 1, giving a 284-day growing season.

Can I grow Rhubarb in Zone 10a?

Yes. Rhubarb needs 90 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

Growing Rhubarb in Zone 10a

Zone 10a has a year-round growing season. Rhubarb can be planted almost any time with proper planning. Huling frost: Peb 20. Unang frost: Dis 1.

Planting Calendar

Indoor

Outdoor

Harvest

Dis 12Dis 1

Season: Peb 20 – Dis 1 (284 araw)

Zone10a

Huling frostPeb 20

Unang frostDis 1

Season284 araw

Ani90 araw

ArawBuong Araw

When to Plant Rhubarb in Zone 10a

Start Seeds Indoors: Dis 12

Start Rhubarb seeds indoors around Dis 12 (10 linggo bago ang huling hamog). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: Ene 23

Transplant Rhubarb seedlings outdoors after Ene 23. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm pagitan). Harden off plants for a week before moving outside.

Harvest: Ene 23

First harvest approximately Ene 23 (~365 araw from transplant). Continue harvesting until first frost (Dis 1). 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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