January · Midwinter

What to sow in January in Seoul

10 crops are in their window this month in Seoul — timed to your local frost dates.

Last frost≈ 26 Mar
First frost≈ 11 Nov
Frost-free daysFrom 26 Mar
January averages-7°–1°C

Vegetables

4 in season
Celeriac
Start indoors · sow indoors early — celeriac takes months to bulk up
Closes 15 Jan
Celery
Start indoors · keep soil consistently moist for tender, mild stalks
Closes 15 Jan
Ginger
Start indoors · start indoors in late winter; it needs a long season
Opens 29 Jan
Luffa
Start indoors · give it a sturdy trellis; vines get heavy fast
Opens 29 Jan

Herbs

6 in season
Chives
Start indoors · perennial clumps, snip leaves for repeat harvests
Opens 15 Jan
Lemongrass
Start indoors · pot it up in fall and bring indoors before frost
Closes 29 Jan
Oregano
Start indoors · slow from seed, keep soil warm to germinate
Opens 15 Jan
Parsley
Start indoors · slow to sprout, soak seeds overnight first
Opens 15 Jan
Sage
Start indoors · slow grower, start early and harden off well
Opens 22 Jan

Fruit · nothing to sow this month