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Onions (sets) sowing calendar
Onions (sets) is direct-sown plant april-may and harvested august-september — the cool-temperate (EE/FI) window from published regional gardening guidance.
Season at a glance
| Step | Window |
|---|---|
| Sow indoors | Not needed — direct sown |
| Plant out / direct sow | Plant April-May |
| Harvest | August-September |
Grower's note
Harvest when the tops fall over; cure in the sun before storing.
Sources: EMÜ — Estonian University of Life Sciences gardening calendar · Puutarhaliitto — Finnish horticultural society · checked 2026-09-03
Frequently asked questions
When do you sow onions (sets)?
Directly into the bed plant april-may — there is no indoor phase for onions (sets).
When are onions (sets) ready to harvest?
August-September, in a typical year for this climate.
Do the onions (sets) dates change with the weather?
Yes — the window follows the frost dates of your plot. A coastal garden runs a week or two earlier; an inland frost pocket later. The published windows are the reference, your soil thermometer is the truth.
Tomatoes
Sow march-april · harvest august-september
Bush beans
harvest august-september
Potatoes
harvest august-september
Cauliflower
Sow april · harvest august-september
Grow it, log it
TempoLife turns the harvest into logged meals against your daily targets — seed to plate in one plan.