March · Early spring

What to sow in March in Calgary

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

Last frost≈ 22 May
First frost≈ 13 Sep
Frost-free daysFrom 22 May
March averages-8°–4°C

Vegetables

4 in season
Celeriac
Start indoors · sow indoors early — celeriac takes months to bulk up
Closes 13 Mar
Celery
Start indoors · keep soil consistently moist for tender, mild stalks
Closes 13 Mar
Ginger
Start indoors · start indoors in late winter; it needs a long season
Opens 27 Mar
Luffa
Start indoors · give it a sturdy trellis; vines get heavy fast
Opens 27 Mar

Herbs

6 in season
Chives
Start indoors · perennial clumps, snip leaves for repeat harvests
Opens 13 Mar
Lemongrass
Start indoors · pot it up in fall and bring indoors before frost
Closes 27 Mar
Oregano
Start indoors · slow from seed, keep soil warm to germinate
Opens 13 Mar
Parsley
Start indoors · slow to sprout, soak seeds overnight first
Opens 13 Mar
Sage
Start indoors · slow grower, start early and harden off well
Opens 20 Mar

Fruit · nothing to sow this month