What to Do in the Garden in January (Cool-Climate US)

Plan and order

• Request seed and nursery catalogs, and order seeds and plants early while selection is best (Purdue Extension).
• Draft your garden layout on paper: which crops, how many, spacing, and where each will go, thinking ahead to crop rotation.
• Browse nursery catalogs and plan landscape or orchard additions for spring planting.
• If you spread fireplace wood ashes, do so cautiously; they raise soil pH, so soil-test first (Purdue Extension).

Houseplants and indoor jobs

• Keep holiday poinsettias and other plants near a bright window and water as the top of the soil becomes dry.
• Raise humidity for houseplants by grouping them, using pebble-and-water trays, or running a humidifier.
• Inspect stored produce and tender bulbs or roots for rot or excess moisture, and discard damaged items.
• Repot houseplants that have outgrown their containers.

Protect the winter landscape

• Inspect young trees for rodent damage on lower trunks; use hardware cloth or trunk collars for protection.
• Keep road and sidewalk salt away from plants; construct a burlap screen if needed to block salt spray.
• Cut branches of forsythia, crabapple, flowering quince, and dogwood and place them in water indoors to force early blooms.

Sources

Reviewed 2026-07-18. We cite university Extension, government, and established horticultural sources — and never invent pesticide rates or dangerous treatments.

• Purdue University Extension — January garden calendar (Indiana Yard and Garden) — January tasks: order seeds/catalogs, draft garden plans, houseplant light and humidity care, check stored bulbs and produce, rodent and salt protection for trees, forcing branches indoors

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