When should I plant Rhubarb in Zone 7b?

Start Rhubarb seeds indoors around Jan 30. Transplant outdoors after Mar 13. Expect first harvest around Mar 13.

What is the last frost date for Zone 7b?

The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.

Can I grow Rhubarb in Zone 7b?

Yes. Rhubarb needs 90 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.

Growing Rhubarb in Zone 7b

Zone 7b has mild winters and a long growing season -- good conditions for Rhubarb. Darrera gelada: Apr 10. Primera gelada: Nov 7.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 30Nov 7

Season: Apr 10 – Nov 7 (211 dies)

Zona7b

Darrera geladaApr 10

Primera geladaNov 7

Temporada211 dies

Collita90 dies

SolSol Ple

When to Plant Rhubarb in Zone 7b

Start Seeds Indoors: Jan 30

Start Rhubarb seeds indoors around Jan 30 (10 setmanes abans de l’última gelada). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: Mar 13

Transplant Rhubarb seedlings outdoors after Mar 13. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm espaiat). Harden off plants for a week before moving outside.

Harvest: Mar 13

First harvest approximately Mar 13 (~365 dies from transplant). Continue harvesting until first frost (Nov 7). 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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