When does the bed free up after Onion?

In an average climate (USDA zone 8a), Onion is harvested by around week 33. That leaves roughly 11 weeks until the first frost. Warmer or cooler sites shift both by one to three weeks.

Which crops follow Onion well?

The strongest options are Broccoli raab, Pak Choi, Spinach. Three things decide it: the remaining season has to cover the growing time, crop rotation rules out a close relative straight afterwards, and the neighbours in the bed should get along.

How fast do I get my plan?

Three steps, three minutes. Type your location, measure your bed, click the veg you like. I do the rest.

Free: one bed, full annual plan, PDF export — free and no account needed. Pro (multiple beds + weather + garden calendar + push & email reminders): €4.90/month or €39/year. Premium (with AI coach Stachi): €9.90/month or €79/year.

Does it work for a balcony planter?

Yes. From a 40×20 cm balcony box to a 3×1 m raised bed — same three steps, same outcome.

Do I need an account?

Not for your first plan — creating one works without signing in. You'll need an account once you want multiple beds, your plan on multiple devices, or weather reminders.

Succession

What do I plant after Onion?

After Onion the bed opens up around week 33. That leaves roughly 11 weeks before the first frost — enough for a second crop instead of bare soil.

Calculated for an average Central European climate: USDA zone 8a, last frost around week 19, first frost around week 43. Your site will differ — the planner uses the real frost data for your location.

What works after Onion

Broccoli raab
Sow from week 33 · harvest by week 41
tolerates frost · uncritical after Onion
Pak Choi
Sow from week 33 · harvest by week 40
tolerates frost · uncritical after Onion
Spinach
Sow from week 34 · harvest by week 40
tolerates frost · uncritical after Onion
Winter purslane
Sow from week 33 · harvest by week 40
tolerates frost · uncritical after Onion
Calendula
Sow from week 33 · harvest by week 42
tolerates frost · uncritical after Onion
Lamb's Lettuce
Sow from week 33 · harvest by week 42
tolerates frost · uncritical after Onion

And in your garden?

This page assumes an average climate. Your plan uses your location, your bed size and the crops you actually want to grow.

Free, no account needed.

Common questions

When does the bed free up after Onion?: In an average climate (USDA zone 8a), Onion is harvested by around week 33. That leaves roughly 11 weeks until the first frost. Warmer or cooler sites shift both by one to three weeks.
Which crops follow Onion well?: The strongest options are Broccoli raab, Pak Choi, Spinach. Three things decide it: the remaining season has to cover the growing time, crop rotation rules out a close relative straight afterwards, and the neighbours in the bed should get along.