When to Plant Asparagus in Zone 3
In USDA zone 3a, plant outdoors May 30 to June 6, and expect your first harvest around June 6. (3a shown here — see 3a and 3b dates separately below.)
Asparagus planting calendar for USDA Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
Direct sow
May 30
Projected first harvest
Jun 6
Most asparagus mature in about 7 days, needing roughly 103 frost-free days in zone 3a.
Asparagus planting calendar for USDA Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Direct sow
May 20
Projected first harvest
May 27
Most asparagus mature in about 7 days, needing roughly 118 frost-free days in zone 3b.
Not sure whether you're in 3a or 3b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
3 varieties of asparagus in the HomeSown library. Tap any for its full grow guide.
Common problems with asparagus
What to watch for, with identification and treatment for each
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