Observed arrival · 2026-10-30

SowWindow turns frost dates into a garden plan

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Editorial interest 78/100 Selection signal · not a rating of the site

A browser-based planner for vegetable and herb sowing dates, crop spacing, repeat sowings, seed quantities and fall planting.

Landing page captured for the 2026-10-30 issue.

For: Vegetable and herb gardeners planning a growing season
Worth noticing: Its fall calculator works back from autumn frost using seed-packet maturity days and an adjustable growth allowance.

Field notes

Planning begins with last-spring and first-autumn frost dates, then lets users choose from 24 vegetables and herbs. The homepage presents separate tools for seed-starting windows, spacing, repeat sowings, seed quantities, and fall planting; its sample spring plan shows tomato, pepper, and basil dates for 2027. Plans are described as editable and browser-stored, with exports including PDF, CSV, ICS, SVG, and JSON. A visible notice advises downloading a JSON backup if browser storage is unavailable or full.

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✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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