Monarch Butterflies in North Dakota: Identification Guide and Best Places to Start

Monarchs are most often found in areas where milkweed grows freely. Look along the Missouri River and its tributaries, in the Sheyenne National Grassland, and in any prairie restorations with butterfly weed or common milkweed. Backyards with native flowers also attract them during migration.

In North Dakota, monarch butterflies sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use the state wildlife hub and the route guide to narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

Peak monarch migration through North Dakota runs from mid-August through mid-September. Warm, sunny days after a rain are ideal. Morning hours after dew dries are often best. Calm winds help you spot them nectaring on goldenrod and sunflowers.

Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around what season or weather patterns help, keep one backup area in mind, and use the animal facts page plus tour planning ideas to compare what a realistic outing looks like in North Dakota. If movement slows, stay longer at one promising spot, listen for calls or watch for edge movement, and reset around weather, light, water, or feeding changes instead of jumping to a totally new area too early.

Monarchs have bright orange wings with black veins and a thick black border dotted with white spots. The similar viceroy butterfly is smaller, has a horizontal black line across the hindwing, and flies with a quicker wingbeat. Queen butterflies have darker orange and no black veins. Check the wings underside for a pale orange tint without the heavy veining of a monarch.

See our state animal guide for the next step.

Adult monarchs drink nectar from flowers like goldenrod, aster, blazing star, and alfalfa. Females lay eggs exclusively on milkweed plants, especially common milkweed and showy milkweed. In North Dakota, look for eggs on the underside of milkweed leaves from late May through August.

Monarchs are not listed as endangered under the Endangered Species Act, but their populations have declined sharply. In North Dakota, they are considered a species of conservation concern. Planting milkweed and reducing pesticide use can help local populations during migration.