Asclepias tuberosa, commonly called butterfly weed, is a tuberous rooted, Missouri native perennial which occurs in dry/rocky open woods, glades, prairies, fields and roadsides.Butterfly gardens, meadows, prairies, or naturalized/native plant areas. Also effective in sunny borders.
*above specification are indicative only. actual dimensions may vary by +-10%
Maximum Reachable Height
1.00 to 2.50 feet
June to August
easy to grow
Planting and care
Grows well in sandy, well-draining soils.
Fertilize with organic slow-release fertilizer.
This can be a difficult choice in the wrong spot. However, it also can take awhile to get going. Give it 3 years to prove it’s worthy for your garden.
Since tuberosa can be temperamental about growing conditions, try planting in a couple different spots to see where it grows best.
Transplant milkweed in early spring or fall for a higher survival rate.
Asclepias tuberosa care
Sow directly in fall, November is a good option for most regions. Start seeds indoors 2 months before final frost- refrigerator cold stratification required.
Spring Sow seeds directly after final frost- don t forget to stratify first.
Divide your butterfly weed.
Dry to medium
40 °C or -40 °F
Apply any organic fertilizer
Asclepias tuberosa special feature
Unlike many of the other milkweeds, this species does not have milky-sapped stems.