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What to Plant in March in Oklahoma

Here's what you can plant in Oklahoma during March. Since Oklahoma spans multiple USDA zones, planting dates vary by location. Find your zone below.

Zone 8a

View full Zone 8a planting guide for March

Transplant Outdoors

Direct Sow

Harvest

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.