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Sprout Authority

Growing carrot in zone 9b

In USDA zone 9b, the typical last spring frost is February 1 and the first fall frost is December 9. Here is when to plant carrot against those dates.

Direct sow outdoorsJanuary 11 to January 18
Expected harvestMarch 22 to April 28About 70 to 100 days from sowing.

These are zone 9b averages

Computed from 2,081 ZIP codes in zone 9b. Your town's frost dates vary; enter your ZIP for dates built on your nearest weather station.

Get my exact dates

USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service / Oregon State University PRISM Group. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020. Planting windows for carrot from Utah State University Extension. Zone dates are medians; local conditions vary.