(Additional Butterfly Weeds can be found in Annual Butterfly Weed
BUTTERFLY WEED SEEDS
Swamp Milkweed, Pleurisy Root
Asclepias incarnata, A. tuberosa
SOULMATE Butterfly Weed Asclepias incarnata
Produces absolutely beautiful, deep rose pink flowers in large umbels in only 3 months from sowing. They are superb cut flowers, and of course the butterflies find them irresistible. Long blooming. Grows to 3.5 feet tall and is a stunning background plant. Easy to germinate seeds. Winter hardy to zone 3. Grows nicely with Blacknight hollyhock.
MILKMAID Butterfly Weed Asclepias incarnata
Magnificent pure white flowers in flat umbels on long, strong stems. Bred especially to be a long-lasting cut flower; of course butterflies are mad about them. Grows to 3.5-4 feet tall. Easy to germinate seeds. Winter hardy to zone 3. Grows nicely with Hakone White balloon flower, Magnus Superior Echinacea, Golden Yellow hollyhock, and Mystica penstemon.
ORANGE Butterfly WeedAsclepias tuberosa
Three foot plants produce large, 6 inch clusters of vibrant orange flowers that attract swarms of butterflies in summer. Winter hardy to zone 3. Seeds occasionally require chilling, instructions included. Germination uneven over a period of 21-90 days.
GAY BUTTERFLIES Butterfly Weed Asclepias tuberosa
Heat and drought tolerant, produce large 6 inch clusters of vibrant summer flowers in shades of red, yellow, orange and bronze. Attract swarms of butterflies, are excellent for cutting. Plants grow to 3 feet tall. Winter hardy to zone 3. Germination uneven over a period of 21-90 days. Grows nicely with big betony, Sundrops evening primrose, Sunburst Colours penstemon, Blue Cap sea holly, and Banana Custard verbascum.
How to Plant Butterfly Weed Seeds
Full sun. Asclepias incarnata (Milkmaid and Soulmate) thrive in moist, even wet soils, will easily adapt to average garden watering. Asclepias tuberosa (Orange and Gay Butterflies) tolerate heat and drought, require only occasional water once established, and will happily accept average moisture with good drainage.
All of these butterfly weeds attract butterflies, bees, hummingbirds, and are important nectar sources for a wide range of butterflies, most notably the Monarch. To promote Monarch butterfly caterpillars, Asclepias incarnata is the host most preferred by the magnificent Monarch. Plants are deer and rabbit resistant. Learn more about monarch butterflies and butterfly weed.