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What to Plant in January — USDA Zone 8b

Here's everything you can start, transplant, sow, and harvest in January in USDA Zone 8b. This zone has an average last spring frost around February 25 and first fall frost around November 28, with a growing season of approximately 276 days.

There are 11 planting activities for January in Zone 8b.

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Zone 8b Year-round
276 days
Last Spring Frost February 25
276 growing days
First Fall Frost November 28

Where Is Zone 8b?

Transplant Outdoors in January

Plant Type Date Range Days to Maturity
Dianthus Flower 60–80 days
Lobelia Flower 70–80 days

Direct Sow in January

Plant Type Date Range Days to Maturity
Bachelor's Button Flower 60–90 days
Calendula Flower 50–70 days
Dianthus Flower 60–80 days
Snapdragon Flower 70–100 days
Sweet Alyssum Flower 45–60 days

Harvest in January

Plant Type Date Range Days to Maturity
California Poppy Flower 60–90 days
Garlic Vegetable 90–240 days
Larkspur Flower 60–90 days
Sweet Pea Flower 65–85 days
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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: June 2026.

Sources & credits

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