Tomato Garden Planner for Canning

Plan tomatoes for canning while keeping cultivar, preparation losses, support system, disease pressure, and season length visible.

Your growing location

Hardiness zone describes winter minimum temperature. It does not replace frost dates, day length, soil temperature, or current weather.

Nothing is shared until you choose a lookup button. ZIP lookup uses PHZMAPI. “Use my location” sends coordinates to BigDataCloud only to obtain a ZIP, then sends that ZIP to PHZMAPI; coordinates are not stored by this site.

Verify the result on the official USDA 2023 map; manual override always remains available.

Plants and space calculator

Space by planting style

Preservation-suitable variety direction

Zone is only one factor. Day length, disease pressure, storage quality, maturity, and use may be more important.

Paste/plum tomatoes

Dense, meaty fruit can reduce cooking time; use locally adapted disease-resistant cultivars.

Slicing tomatoes

Suitable only where the tested recipe permits the measured prepared quantity; expect more juice and preparation loss.

Planting and indoor-start timing

Start transplants according to local Extension guidance and set out after frost risk and cold-soil conditions have passed.

Current weather is not loaded automatically; check the local forecast and soil before planting.

Canning recipes using tomatoes

Sources, formulas, and limits

Plants = household annual target ÷ selected yield per plant, rounded up. Area or row units = target ÷ compatible cited yield, rounded up. “Typical” uses the cited midpoint.

Virginia Cooperative Extension expert-reviewed home garden planting guide

Virginia Cooperative Extension expert-reviewed container gardening guide

USDA 2023 Plant Hardiness Zone Map

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