There are clusters of approximately 20 flowers near the top of each plant. Planting milkweed is the most effective way to help because it is the only plant that sustains a monarch through each of its life stages. Without it, they cannot complete their life cycle and their populations decline. USDA Hardiness Zone: 3 – 9. Feb 9, 2014 - Monarch Watch is a cooperative network of students, teachers, volunteers and researchers dedicated to the study of the Monarch butterfly, Danaus plexippus and its spectacular fall migration. Milkweed is the plant choice of monarch butterflies, and milkweed can be planted to attract monarchs. monarch butterflies that exclusively feed on milkweed species. Category: Perennial. Whorled Milkweed can bloom anytime between July and September, which is later in the year than many other Milkweeds. Other milkweed species native west of the Rockies are showy milkweed (A. speciosa) and Mexican whorled milkweed (A. fascicularis). Due to its narrow leaves and stems, this species blends in with grasses and is easily overlooked when not in bloom. Soil: Average – Poor, Well-drained. Mexican whorled milkweed. Pods are also excellent additions to bouquets. Why Grow Milkweed Plants? Narrow three to four inch pods form in late summer as the leaves turn to yellow and orange providing interest well into autumn. Whorled milkweed is short—only about 2ft tall, and has white flowers. Milkweed populations provide nourishment and habitat to pollinators (Monarch Joint Venture 2015; Willson et al. Cold hardy in USDA zones 3 - 11. Its foliage is valuable to butterfly larvae, especially monarchs, since it blooms late in the season. WA native milkweed species. Height: About 40 cm. ... Common names: Eastern Whorled Milkweed, Horsetail Milkweed, Whorled Milkweed; An attractive host plant for monarch caterpillars. From late spring to fall, small clusters of 3-20 fragrant, creamy-white flowers are borne in the upper leaf axils and stem tips. Whorled Milkweed (Asclepias verticillata) naturally occurs in dry to moist, sunny areas and woodland edges, especially where the soils are sweeter (more basic) than Georgia’s typical acidic soils. Related products. Photo Credit: Dan Mullen, Flickr Creative Commons. Music and Monarchs - Butterfly Release Party featuring Blake Noble Sunday August 28, 2016 2:00 - 4:00 pm WSU Monarch Butterfly Project Underway with Help from Washington State Penitentiary Offenders Monarch caterpillars need milkweed plants (Asclepias spp.) Whorled Milkweed has established itself across most of the United States as one of the most common varieties of milkweed. whorled milkweed. The white flowers can be a greenish-white on some plants. This hardy perennial grows from 12" - 24" tall and blooms from July until September. Wildlife benefits: Host plant for caterpillars of Monarch butterflies. This native milkweed is a host for the monarch caterpillar. long (5-7 cm), along the length of the stems. States where Whorled milkweed, Asclepias verticillata grows. Spreads by roots to form colonies. Monarch butterflies are rapidly declining due to loss of habitat and use of pesticides. Whorled Milkweed can be used for natural pest control on the edges of gardens as it attracts spiders and beetles that prey on unwanted insects. Its fragrant flowers appear later than most other milkweeds from July to September. Monarch caterpillar host plant. Whorled Milkweed Seeds, Grow Wildflowers for Monarch Butterflies FR6 (50 Seeds) 50 seeds $ 15.90 $ 7.95 Asclepias fascicularis is a species of milkweed known by the common names narrowleaf milkweed and Mexican whorled milkweed Distribution. Whorled milkweed’s narrow needle-like leaves and clusters of tiny white flowers add delicate texture to natural plantings, butterfly gardens, and prairies. narrowleaf milkweed. Whorled Milkweed is easy to grow in average, moist to dry, well-drained soils and flowers best in full sun but will tolerate some shade. The monarch butterfly population in North America has plummeted by over 90 percent in just the last 20 years. The butterflies lay their eggs on the milkweed and the larve (catapillars) feast on the leaves. Lean, well-drained soil. Whorled milkweed is an excellent host plant for monarch caterpillars that blooms later than other milkweed. According to the website Monarch Butterfly Garden, you shouldn’t rely on it as your main milkweed source for caterpillars, or you may run out of milkweed by mid-season.Whorled milkweed blooms later than other milkweeds with white flowers July thru September. The central stem is yellowish green or medium green and terete; it has vertical lines of short pubescence. • Participating in a citizen science project such as Project Monarch Health, Journey North, Monarch Watch, or Monarch Larva Monitoring Project. Height: 1’- 3’ Bloom: Jun – Sep. Light: Full Sun. Milkweed is easy to grow, and helps save the Monarchs. 1979), which supports agricultural crops that also require insect pollination (Nabhan & Buchmann 1997), improves fruit conditions for market (Garratt et al. Whorled Milkweed - (Asclepias verticillata) Typically short-statured with thin, whorled leaves. Botanical Name: Asclepias verticillata. Flowers are a good nectar source for many pollinating insects. MONARCH JOINT VENTURE Partnering across the U.S. to conserve the monarch migration Plant Milkweed for Monarchs Monarchs cannot survive without milkweed. Whorled milkweed is an important food source for Monarch Butterflies. This is one of two new milkweed species that I'm growing for my Monarch Waystation this spring and this one is native to the mountains of North Carolina. Asclepias verticillata, commonly known as whorled milkweed, is an upright perennial that typically grows to 2.5’ tall on simple, usually unbranched stems clad with long, narrow, sessile, needle-like, linear leaves (each 2-3” long) with revolute margins arranged in whorls of 3 to 6 at each node along the length of the stems. It’s thin green leaves are highly palatable to monarch caterpillars. This milkweed is native to the eastern United States. Clone forming and only one to two feet tall, Asclepias verticillata forms attractive drifts of plants. Asclepias verticillata (Whorled Milkweed) has very skinny, "whorled" leaves. Whorled Milkweed. Destruction of America’s grasslands ecosystems, ... Whorled milkweed (Asclepias verticillata) Whorled Milkweed. The Whorled Milkweed, Asclepias verticillata, is one of the most widely distributed milkweeds in the U.S. Out of stock. The plant is a common perennial in the Western United States and Baja ... Asclepias fascicularis is a specific monarch butterfly food and habitat plant. In addition to supporting the monarch, milkweed species are important sources of nectar for dozens of other butterflies and numerous pollinating insects such as native bees and honey bees. Monarch caterpillars feed exclusively on the leaves of milkweed, the only host plant for this iconic butterfly species. Without milkweed, there would be no Monarch caterpillars, and without Monarch caterpillars, there would be no Monarch butterflies, and without Monarch butterflies, there wouldn’t be any eggs that Monarch caterpillars hatch from. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Handsome and tough, Asclepias verticillata (Whorled Milkweed) is an upright, unbranched perennial with whorls of long, finely textured, needle-like leaves, 2-3 in. Information about ststes where other native milkweed species are grown. Whorled Milkweed Asclepias verticillata Milkweed family (Asclepiadaceae) Description: This perennial herbaceous plant is ½–2' tall and more or less erect; it is either unbranched or sparingly branched along the upper half of its central stem. Click on an acronym to view each weed list, or click here for … Monarch butterfly nectaring on common milkweed. In contrast to the other milkweeds, whorled milkweed has narrow, almost grass-like leaves that are arranged in whorls around the stem, hence the name, and make it blend in with the grasses in a meadow until its white flowers emerge. Asclepias verticillata. They are a favorite of bees and butterflies and the plant is a host to the monarch butterfly larvae. 2014), raises the nutritional value of certain foods, (Bommarco et al. Whorled Milkweed $ 6.50. Media Marketing/Shutterstock A monarch butterfly lands on a swamp milkweed plant. Once hatched, the butterflies consume the flower nectar for energy. Whorled Milkweed. Dry fields, rocky slopes, meadows, and prairies all provide a good home for this delicate looking but hardy plant. Season of bloom: Summer. Noteworthy Characteristics. As one of the more toxic milkweed species, it is not eaten by mammalian herbivores. Growing Conditions: Full sun. Asclepias native to Washington. Whorled Milkweed Seeds, Grow Wildflowers for Monarch Butterflies FR6 (25 Seeds, or 1/10 Gram) by Zellajake Farm and Garden 2.8 out of 5 stars 5 ratings Moisture: Dry. It spreads by lateral roots to form large colonies. As such, milkweed is critical for the survival of monarchs. 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