Monarch Caterpillar (Western)

Important Update May 26, 2026: We are in between batches of western monarch caterpillars. All new and existing orders will be fulfilled as soon as possible. We estimate that they will be ready around Mid-June, but it could be sooner or later depending on several factors. Thank you for your patience! Orders for Western Monarch caterpillars will be available to ship starting in June 2026. You must have your own source of milkweed. If you don't have milkweed, you can order our Monarch Home Release Kit, which is available starting in June 2026.  If you live EAST of the continental divide (see picture below), please click here to order EASTERN monarch caterpillars. Make sure you will have your own pesticide-free milkweed by Early Summer. You'll get a shipping email when we are ready to send your order, so let us know if you need us to wait to ship your order for a certain date.  Since we have no control over the milkweed you use, we cannot guarantee these caterpillars. If you want a guarantee, please purchase our Monarch Home Release Kit that comes with pesticide free milkweed in an enclosure with 2 guaranteed Monarch Caterpillars. We do guarantee that these monarch caterpillars will arrive healthy and safe upon arrival. This is our most affordable Monarch Product and we are adding it as a popular request! If you live EAST of the continental divide (see picture below), please click here to order EASTERN monarch caterpillars. Shipping for WESTERN MONARCHS is only available in the following states and cites WEST of the Continental Divide (AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, and WY)*. Shipped orders are sent using NEXT DAY delivery or Ground Shipping for the State of Utah.  We only provide OE-free monarchs, and maintain genetically diverse butterflies to ensure all our monarchs are healthy and fit for the environment.  Note for WA shipping addresses: Caterpillars and kits may be shipped to your state, but state law prohibits their release into the environment without a permit. Please reach out to us if you would like more information.