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Sprout Authority

Growing marigold in zone 6a

In USDA zone 6a, the typical last spring frost is April 29 and the first fall frost is October 16. Here is when to plant marigold against those dates.

Start seeds indoorsMarch 18 to April 1
Transplant outdoorsApril 29 to May 13
Direct sow outdoorsApril 29 to May 13

These are zone 6a averages

Computed from 5,156 ZIP codes in zone 6a. 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 marigold from Clemson Cooperative Extension, Home & Garden Information Center. Zone dates are medians; local conditions vary.