🧅 When to Plant Scallions in Zone 3

Short answer: sow Apr 17 – May 1. Here's the full schedule, built from zone 3's typical frost dates.

TaskWindow
Direct sowApr 17 – May 1
Fall planting
counted back from first frost
Jul 26 – Aug 9
Zone 3 frost window
May 15 → Sep 20
~128 frost-free days
Spacing
1″ / 8″
plants / rows
Maturity
60–70 days
from sowing

Growing scallions in zone 3

Sow thickly in a band and harvest by thinning — no other allium is this low-maintenance. Succession-sow spring through late summer for a nearly continuous supply.

Zone 3 covers northern Minnesota and North Dakota, northern Maine, high mountain valleys — roughly 120 frost-free days — start warm-season crops indoors, lean on cool-season crops. Zone dates are medians: frost timing varies within a zone with elevation and terrain, so treat these windows as a solid default and refine them with your own city’s dates below.

Make it local

These windows use zone 3's typical frost dates (last frost ~May 15, first frost ~Sep 20). For windows computed from your frost dates, run the ZIP code frost lookup and open the planting calendar — it remembers your city. The seed starting scheduler turns the whole seed rack into one printable, date-sorted list.

Frequently asked questions

When do I plant scallions in zone 3?

Direct sow Apr 17 – May 1, counted from zone 3's typical last frost around May 15. As a hardy crop it tolerates the light frosts on either side of that window.

Can I direct sow scallions in zone 3?

Yes — direct sow Apr 17 – May 1. This crop prefers direct sowing; its roots dislike transplanting.

Can I plant scallions for a fall harvest in zone 3?

Yes — sow Jul 26 – Aug 9, counted back from the typical Sep 20 first frost so plants mature before serious cold. Light fall frosts improve flavor rather than ending the crop.