North Dakota planting calendar

When to plant chives in North Dakota — sow, transplant & harvest dates

North Dakota is mostly USDA zone 4a (range 3a-4b). Dates below are derived from chives's frost tolerance and North Dakota's frost window — not generic national averages.

Chives planting timetable for North Dakota

Stage	When in North Dakota	Anchor
Start seeds indoors	early April (April 3)	6 weeks before the last frost (mid-May)
Transplant outside	early May (May 1)	14 days before the last frost (mid-May)
First harvest (estimate)	late June (June 30)	~60 days from transplant

Dates are state-wide averages for the dominant zone. Local microclimates — elevation, urban heat, coastal moderation — can shift the window by 1-2 weeks. Use the frost-date calculator for a date tuned to your town.

Why North Dakota's climate shifts the chives dates

North Dakota's last spring frost averages mid-May and first fall frost late September, which sets the whole planting clock. North Dakota is among the coldest states, with a short season and brutal winters. Cold-hardy, fast-maturing varieties are essential. Wait for warm soil — chives stall in cold ground even after the air warms, so don't rush them out.

Start seeds indoors 6–8 weeks before the last spring frost; germination takes 7–14 days at 18–21 °C (65–70 °F), though seeds will germinate across a broad range of 15–35 °C (60–95 °F). As a cold-hardy perennial (zones 3–9), transplants can go out 1–2 weeks before the last frost once soil is workable — or direct-sow as soon as the ground can be worked in early spring. Begin snipping leaves about 30 days after transplanting (or ~60 days from seed) once plants reach 15 cm (6 in) tall; divide clumps every 3–4 years to maintain productivity.

Frost-risk note

Don't plant before mid-May — a hard freeze can still set young plants back. In the far north near the Canadian border (zone 3a) the safe date runs a week or two later.

Regional variation within North Dakota

the far north near the Canadian border (zone 3a) runs roughly 1-2 weeks behind the state average; the southern Red River and Missouri valleys (zone 4b) can plant 1-2 weeks earlier.

Fargo — USDA zone 4a
Bismarck — USDA zone 4a
Grand Forks — USDA zone 3b
Minot — USDA zone 3b

What else to plant in North Dakota around then

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Quick-grow guide

Sun: Full sun to partial shade — 4–6+ hours direct.
Soil temperature for germination: 15–21 °C (60–70 °F).
Spacing: 6–12 inches (15–30 cm) between plants.
Days to harvest: ~60 days from planting out.

Frequently asked questions

When is the best time to plant chives in North Dakota?

In North Dakota (mostly USDA zone 4a), sow chives indoors around early April, transplant outdoors early May (before the last frost, mid-May), and harvest from late June. Chives are cold-hardy — they tolerate frost and actively prefer cool weather, so they go in well before the last spring frost and bolt in summer heat.

What USDA zone is North Dakota?

Most of North Dakota sits in USDA hardiness zone 4a, with the state spanning roughly 3a-4b from the far north near the Canadian border (zone 3a) to the southern Red River and Missouri valleys (zone 4b). The last spring frost averages mid-May and the first fall frost late September.

Can you grow chives in North Dakota?

Yes. North Dakota's dominant zone 4a supports chives — the key is timing. Chives are cold-hardy — they tolerate frost and actively prefer cool weather, so they go in well before the last spring frost and bolt in summer heat.

Does the planting date change across North Dakota?

the far north near the Canadian border (zone 3a) runs roughly 1-2 weeks behind the state average; the southern Red River and Missouri valleys (zone 4b) can plant 1-2 weeks earlier.

What else can I plant in North Dakota around the same time?

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Source and methodology

State zone spans from the USDA Plant Hardiness Zone Map (2023); frost-date averages from NOAA Climate Data Online. Hot-state two-season timing cross-checked against the UF/IFAS Florida Gardening Calendar and the University of Arizona Cooperative Extension planting calendar. Curated by the Growli editorial team.