Narrow Leaf Milkweed Asclepias fascicularis Asclepias fascicularis Add to plant list Added Narrowleaf milkweed or Mexican whorled milkweed is a flowering perennial sending up many thin, erect stems and bearing distinctive long pointed leaves which are very narrow and often whorled about the stem, giving the plant its common names. The cardiac glycosides are potentially poisonous to humans. 3, 3A, 3B, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, Asclepias fascicularis (Narrowleaf Milkweed). Fragrant clusters of flowers are a magnet for butterflies and pollinators. Narrowleaf milkweed or Mexican whorled milkweed is a flowering perennial sending up many thin, erect stems and bearing distinctive long pointed leaves which are very narrow and often whorled about the stem, giving the plant its common names. Pick a location with full sun and prepare soil for good drainage, if needed. Native to western North America, this easy care plant is a must-have in a wildlife garden. To create additional collections, you must be a paid member of our site. This easy to grow plant is often part of wildlife gardens and restoration projects where it can be planted from seed to mix with native grasses and wildflowers. Mostly native to the U.S. and Canada, Asclepias include over 100 species of evergreen or deciduous perennials adorned with clusters of small, interestingly shaped blooms that are irresistible to butterflies. Seeds need light to germinate so just gently press them into the soil on their sides without burying them. Nonetheless, there still may be an issue. Four species of native milkweed are found in most states: the Whorled Milkweed, Common Milkweed, and Swamp Milkweeds, and Butterfly Weed. It is a virtually carefree perennial that has light green narrow leaves on 3' stalks, with clusters of pinkish white flowers in summer. However, it should be noted that not all milkweed species are equally toxic. Our informal natura l stratification trial with showy (milkweed) and narrow leaf milkweed (A. fascicularis) in southern Oregon revealed that seeds began to germinate after Clusters of lavender-tinted white flowers bloom above thin stems whorled with long, pointed leaves. Tolerates Saline Soil. The butterflies lay their eggs exclusively on Milkweed plants, creating an opportunity for us to plant Monarch habitat! Narrow leaf milkweed is the most favored larval Monarch butterfly host in California. May self-seed if seed pods are not removed prior to splitting open. First leaves of narrow leaf milkweed after germination Here at TPF, we sow the seeds into small plug trays, but any container (preferably one gallon or smaller) will work. All through summer and into fall the plant is covered with flowers. Narrow-Leaf Milkweed is a gorgeous California native flower that is the sole source of food for the Monarch butteries. California Narrow Leaf Milkweed (Asclepias fascicularis) is western native species that enhances the landscape with its huge white flower clusters and big, narrow leaves. Asclepias stenophylla (narrow-leaved milkweed) is characteristic of dry hill prairies in the Lower Great Plains region.It was not known to occur in Minnesota until 1978 when a single population was discovered near Hokah in Houston County (The Blufflands Subsection).The Minnesota population is separated by about 500 km (310 mi.) from the main range of the species. If the plant is broken or pierced an alkaloid rich milky sap will flow freely. Grows as a subshrub about 2' 4' high with stunning fragrant flowers. A host plant for Monarch populations on the West Coast and Great Basin, this ornamental species is easy to grow and thrives in a wide range of growing conditions. Accept The flowers are a great source of nectar for butterflies, hummingbirds, bees, and other beneficial insects. Tolerates a variety of soils including sandy, clay, and saline. It is crucial to not use any pesticide on this plant or in its vicinity because doing so will be fatal to Monarch caterpillars. For instance, plants in the milkweed family, Asclepiadaceae, (don't let the name intimidate you), secrete a milky sap (except for Butterfly Milkweed) and opposite or sometimes whorled leaves. Milkweed plants are critical to the monarch butterflies survival, whose population in North America has plummeted by 90% in the last 20 years. Narrow-Leaf Milkweed and Una, Dos, Tres—the Monarch Trio Last winter we purchased five one-gallon pots of narrow-leaf milkweed (Asclepias fascicularis) from CNPS East Bay’s Native Here Nursery (NHN) in Tilden Regional Park and planted a milkweed patch in our back garden. The flowers are a great source of nectar for butterflies, hummingbirds, bees, and other beneficial insects. Keep the soil evenly moist until the seeds germinate in 10 - 20 days. Asclepias fascicularis (Narrowleaf Milkweed) is a flowering perennial boasting attractive clusters, 4-5 in. While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. Mexican whorled milkweed, Narrow leaf milkweed Asclepias fascicularis, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America. across (10-12 cm), of lavender and white, starry flowers from early summer to fall. Asclepias fascicularis (Narrowleaf Milkweed) is a flowering perennial boasting attractive clusters, 4-5 in. About Narrow Leaf Milkweed (Asclepias fascicularis) 48 Nurseries Carry This Plant Add to My Plant List; Narrowleaf milkweed or Mexican whorled milkweed is a flowering perennial sending up many thin, erect stems and bearing distinctive long pointed leaves which are very narrow and often whorled about the stem, giving the plant its common names. Many branching stems and long narrow leaves make a nice bushy 3' x 3' form topped with plentiful and … The blooms occur on upright thin stems clad with long, narrow, pointed leaves. 3*, 7*, 8*, 9*, 10, 14*, 15*, 16, 17, 18*, 19, 20, 21, 22, 23, 24, Found in many settings including valleys, foothills, canyons, mountains, often dry areas, occasionally in wetlands, Annual Precipitation: 3.8" - 117.4", Summer Precipitation: 0.13" - 3.60", Coldest Month: 23.0" - 59.2", Hottest Month: 42.6" - 87.9", Humidity: 0.47" - 40.28", Elevation: -180" - 11144", Creative Commons Attribution-ShareAlike License, PRISM Climate Group, Oregon State University. wide (30 cm). Basis for Listing. The corona (circle of petals around the center of the flower) contains 5 hooded forms facing inwards. The blooms occur on upright thin stems clad with long, narrow, pointed leaves. The hoods are also greenish white. Asclepias fascicularis is a species of milkweed known by the common names narrowleaf milkweed and Mexican whorled milkweed. Flowers bloom from June to September, but may not bloom until the second year. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas. They give way to smooth seed pods in the fall, which look great in dried flower arrangements. 12. Narrow leaf milkweed is a robust perennial native to many habitats and conditions across all of California. The horns are longer than the hoods. To use the website as intended please  Plant Distribution. Note this is the default cart. narrow-leaf milkweed, the corolla is reflexed, greenish white, sometimes tinged purple. Narrowleaf milkweed is a perennial flower native to parts of the western U.S. Plant seeds during the cool season of Zones 9 and 10. Great for a bird garden and a butterfly garden. The description of these plants has been written based on numerous outside resources. Deleting this collection CANNOT be undone. By planting milkweed in your own garden, you can help reverse the fortune of these beautiful insects! Start by filling your container with any seed-starting or high-drainage potting medium (typically cactus mixes or anything with added perlite, including TPF’s own custom mix). Grows up to 1-3 ft. tall (30-90 cm) and 12 in. The blooms are excellent cut flowers, and in … Leaves are in whorls of 3-5, often with axillary clusters of small leaves. Native Narrow-leaved Milkweed is perfectly suitable to most of our gardens, as long as you understand its growth cycle and know what to … Soil PH: 6.0 - 8.0, Butterfly Gardens, Deer Resistant, Bird Gardens, Works well with a wide variety of other plants, but is best used where its winter leaf loss and summer consumption by caterpillars will not be the center of attention. Zones 2-8 Plant in the spring after the danger of frost is gone. Caption: Narrow-leaf Milkweed (Asclepias fascicularis) is a native species that grows on our local hillsides and is an excellent foodplant for Monarch butterflies. There are 5 separate sepals (petal-like leaves) and 5 fused petals. Milkweed (Asclepias) Milkweed are beautiful American wildflowers and delightful garden plants. Observation Search (2042 records) Plant Characteristics. Adaptable to high or low water, heat, all types of soils (including clay), this is one of the easiest and fastest to establish of the milkweeds - A great choice for the flower garden and for natural settings. © California Native Plant Society. Narrow-leaf milkweed is a glabrous perennial with glabrous to ascending stems. Some seeds germinate in as little as 2 weeks after planting, but others in the same bed may continue to germinate for 1-2 months after that. Narrow-leaved Milkweed somewhat resembles Green Milkweed (Asclepias viridiflora), which can also have linear leaves but they are broader and its flowers are more green to purple-tinged, with petals that do not flare much if at all. Among the most toxic are Asclepias labriformis (Labriform Milkweed), Asclepias subverticillata (Western Whorled Milkweed), Asclepias eriocarpa (Woolypod Milkweed) and Asclepias fascicularis (Mexican Whorled Milkweed). Supporting these profiles is a simple guide Nodding milkweed (Asclepias glaucescens) 13 Habitat: Along stream beds and dry rocky slopes in open pine, juniper, or oak woodland canyons across (10-12 cm), of lavender and white, starry flowers from early summer to fall. However, some basic rules need to be followed to enjoy their splendid flowers.Read More, Not sure which Asclepias to pick?Compare All Asclepias, Buy Asclepias fascicularis (Narrowleaf Milkweed), Great Plant Combination Ideas with Asclepias. Zones: 6-10 A note about seed balls: Seed balls protect the seeds from erosion, foraging, and many other factors. It is dormant in winter. More stems will be produced each year. It is a perennial with 3' tall stem and large (but narrow) five inch leaves, and a five inch or so flower cluster. Narrow-leaf Milkweed is perennial plant, meaning that it goes dormant for part of the year. Sun: Full Attractive and easy to grow, they shine in many gardens. The leaves of Narrowleaf Milkweed are long (up to 5 inches) and narrow, making this species more delicate appearing than other Milkweeds. Leaves are long and narrow (up to five inches) and form a … Only plants will be removed from the collection. Narrow-Leaf milkweed This California native milkweed is critical in the life-cycle of the monarch butterfly whose larvae feed on the foliage. But they pose the most danger to grazing animals. All rights reserved. Asclepias fascicularis - Narrow Leaf Milkweed (Seed) $5.00 Excl. Join now and start creating your dream garden! Keep soil moist. Butterfly milkweed (A. tuberosa) germination increased from 29 to 48 to 62% as stratification duration increased from 0 to 30 to 60 days, respectively (Bir, 1986). Don’t be surprised that during winter months your milkweed will look like it’s dead. Narrow-leaf milkweed This hardy perennial herb grows to 3' tall and 1' wide. Please visit our sponsors Where to buy native seed and plants ↓ Plant seeds 1/8" deep and 18” apart, using 3 seeds per hole. It is a perfect plant in the native garden or just to colonize a vacant field. Unlike Tropical Milkweed, which retains its foliage all year, Narrow-leaf goes completely dormant in winter. Asclepias fascicularis Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Eudicots Clade: Asterids Order: Gentianales Family: Apocynaceae Genus: Asclepias Species: A. fascicularis Binomial name Asclepias fascicularis Dcne. Asclepias fascicularis (narrow-leaved milkweed) Asclepias speciosa (showy milkweed) A profile of each of these species includes descriptions of flowers, leaves, and seed pods, accompanied by photos and distribution maps. Starting Narrowleaf Milkweed Seeds Tolerates a variety of soils including sandy, clay and saline. Growing Instructions: Start Narrowleaf Milkweed seeds outdoors in the spring after the danger of nighttime freezing has past. Milkweeds contain cardiac glycosides, naturally occurring drugs that increase the force of heart contraction and have been used to treat heart conditions. The leaf blades are narrowly lanceolate This milkweed is hardy in zones 6-10 and is an herbaceous perennial. The leaves are narrow and grow in a whorled pattern on stems that reach from 2-3′ tall. Milkweed is a glorious perennial wildflower native to North America. When the seed pods open, they reveal seeds with long, silvery-white, silky hairs. Cookies, This site is protected by reCAPTCHA and the Google, Learn How To Plant, Care and Grow Splendid Asclepias, Asclepias incarnata 'Cinderella' (Swamp Milkweed), Asclepias tuberosa 'Hello Yellow' (Butterfly Weed), Save Monarch Butterflies with these Ornamental Milweeds, Monarch Nectar Plants for Northern California, Want Garden Inspiration? Use our interactive toolsto design your dream garden. It tends to go dormant in the winter and regenerate the next year. Also, plant a number of. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. The invertebrate conservation group The Xerces Society recommends native milkweed species. tax In stock (18579) PLEASE PLANT RESPONSIBLY Please protect the delicate balance of our native ecosystems by not sowing seeds in parks and nature preserves or wilderness areas. Narrow Leaved Milkweed - Asclepias fascicularis a perennial, is one of four species of Milkweed found in the Santa Monica Mountains, grows in grassland habitats and flowers from late May into the first days of Fall. Can tolerate clay soils sopping wet in winter and rock hard during the summer drought. A Fabulous Garden Retreat where to Relax! The leaves are usually folded slightly along the midrib (the major vein in the center of the leaf) and arranged in whorls (spiral-shaped groupings) along the upright stems. Check these Great Plant Combination Ideas with Asclepias, A Sparkling Summer Border Idea with Easy-to-Grow Perennials, A Pretty Duo to Try: Asclepias and Geranium, A Pretty Duo to Try: Asclepias and Salvia, A Spectacular Summer Planting Idea with Dahlia, Zinnia, Chinese Aster and Ammi visnaga, A Four-Season Border with Evergreen Conifers and Japanese Maples, A Lovely Border Idea with Achillea, Agapanthus and Grasses. Similar species: None; very well-marked by the narrow leaves. Create a membership account to save your garden designs and to view them on any device. Narrowleaf Milkweed Facts Supports Monarch Butterflies Native to much of United States Prefers full to part sun 1'- 2' tall with narrow leaves and pale pink flowers when mature Dry-Moist water requirements Sow Late Summer to Mid-winter. Antique pink flower clusters abound in the summer. We use cookies on this website, you can read about them here. “Narrow Leaved Milkweed” Adaptable to high and low water, heat and any garden soil – including CLAY – this is probably the easiest CA native Milkweed you can grow. It is a ‘must-have’ for butterfly gardens. Description. Narrow-leaved Milkweed has narrow leaves, hence the name, and a wide native range. For propagating by seed: No treatment. narrow-leaved milkweed Habit: rhizomatous perennial producing tall, upright stalks with narrow linear leaves 6 in (15cm) long either in whorls or oppositely placed around the rigid stem.