By planting milkweed in your own garden, you can help reverse the fortune of these beautiful insects! Narrow-leaf Milkweed is perennial plant, meaning that it goes dormant for part of the year. The flowers are a great source of nectar for butterflies, hummingbirds, bees, and other beneficial insects. across (10-12 cm), of lavender and white, starry flowers from early summer to fall. It is dormant in winter. from the main range of the species. Milkweed is a glorious perennial wildflower native to North America. Among the most toxic are Asclepias labriformis (Labriform Milkweed), Asclepias subverticillata (Western Whorled Milkweed), Asclepias eriocarpa (Woolypod Milkweed) and Asclepias fascicularis (Mexican Whorled Milkweed). Nonetheless, there still may be an issue. Accept Don’t be surprised that during winter months your milkweed will look like it’s dead. “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. The butterflies lay their eggs exclusively on Milkweed plants, creating an opportunity for us to plant Monarch habitat! Asclepias fascicularis - Narrow Leaf Milkweed (Seed) $5.00 Excl. 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. 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. Supporting these profiles is a simple guide It is crucial to not use any pesticide on this plant or in its vicinity because doing so will be fatal to Monarch caterpillars. It is a perennial with 3' tall stem and large (but narrow) five inch leaves, and a five inch or so flower cluster. 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.) But they pose the most danger to grazing animals. All rights reserved. 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, the corolla is reflexed, greenish white, sometimes tinged purple. 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? Tolerates a variety of soils including sandy, clay, and saline. Pick a location with full sun and prepare soil for good drainage, if needed. Join now and start creating your dream garden! However, it should be noted that not all milkweed species are equally toxic. 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. Tolerates Saline Soil. Native to western North America, this easy care plant is a must-have in a wildlife garden. Zones: 6-10 A note about seed balls: Seed balls protect the seeds from erosion, foraging, and many other factors. Tolerates a variety of soils including sandy, clay and saline. Create a membership account to save your garden designs and to view them on any device. 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. The corona (circle of petals around the center of the flower) contains 5 hooded forms facing inwards. Milkweed (Asclepias) Milkweed are beautiful American wildflowers and delightful garden plants. 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). Leaves are in whorls of 3-5, often with axillary clusters of small leaves. Starting Narrowleaf Milkweed Seeds 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. California Narrow Leaf Milkweed (Asclepias fascicularis) is western native species that enhances the landscape with its huge white flower clusters and big, narrow leaves. We use cookies on this website, you can read about them here. Note this is the default cart. A Fabulous Garden Retreat where to Relax! 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. Narrow-leaf milkweed is a glabrous perennial with glabrous to ascending stems. 12. Attractive and easy to grow, they shine in many gardens. 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. Basis for Listing. Please visit our sponsors Where to buy native seed and plants ↓ Many branching stems and long narrow leaves make a nice bushy 3' x 3' form topped with plentiful and … Great for a bird garden and a butterfly garden. Description. 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. Also, plant a number of. The flowers are a great source of nectar for butterflies, hummingbirds, bees, and other beneficial insects. Growing Instructions: Start Narrowleaf Milkweed seeds outdoors in the spring after the danger of nighttime freezing has past. It is a perfect plant in the native garden or just to colonize a vacant field. 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. Nodding milkweed (Asclepias glaucescens) 13 Habitat: Along stream beds and dry rocky slopes in open pine, juniper, or oak woodland canyons 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. The leaves are narrow and grow in a whorled pattern on stems that reach from 2-3′ tall. The leaves of Narrowleaf Milkweed are long (up to 5 inches) and narrow, making this species more delicate appearing than other Milkweeds. Narrow-Leaf milkweed This California native milkweed is critical in the life-cycle of the monarch butterfly whose larvae feed on the foliage. Narrow-leaved Milkweed has narrow leaves, hence the name, and a wide native range. 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. 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. 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. 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. 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). 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. They give way to smooth seed pods in the fall, which look great in dried flower arrangements. 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 blooms occur on upright thin stems clad with long, narrow, pointed leaves. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. 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. Grows up to 1-3 ft. tall (30-90 cm) and 12 in. To create additional collections, you must be a paid member of our site. 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. It is a ‘must-have’ for butterfly gardens. When the seed pods open, they reveal seeds with long, silvery-white, silky hairs. Narrow-Leaf Milkweed is a gorgeous California native flower that is the sole source of food for the Monarch butteries. The cardiac glycosides are potentially poisonous to humans. The blooms are excellent cut flowers, and in … Clusters of lavender-tinted white flowers bloom above thin stems whorled with long, pointed leaves. 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. The invertebrate conservation group The Xerces Society recommends native milkweed species. across (10-12 cm), of lavender and white, starry flowers from early summer to fall. 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. Four species of native milkweed are found in most states: the Whorled Milkweed, Common Milkweed, and Swamp Milkweeds, and Butterfly Weed. Deleting this collection CANNOT be undone. Flowers bloom from June to September, but may not bloom until the second year. 3, 3A, 3B, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, Asclepias fascicularis (Narrowleaf Milkweed). Keep soil moist. Observation Search (2042 records) Plant Characteristics. 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. Leaves are long and narrow (up to five inches) and form a … 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. All through summer and into fall the plant is covered with flowers. Antique pink flower clusters abound in the summer. The horns are longer than the hoods. 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 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. This milkweed is hardy in zones 6-10 and is an herbaceous perennial. Asclepias fascicularis (Narrowleaf Milkweed) is a flowering perennial boasting attractive clusters, 4-5 in. Use our interactive toolsto design your dream garden. Narrow-leaf milkweed This hardy perennial herb grows to 3' tall and 1' wide. Caption: Narrow-leaf Milkweed (Asclepias fascicularis) is a native species that grows on our local hillsides and is an excellent foodplant for Monarch butterflies. 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. The hoods are also greenish white. May self-seed if seed pods are not removed prior to splitting open. More stems will be produced each year. Zones 2-8 Plant in the spring after the danger of frost is gone. Fragrant clusters of flowers are a magnet for butterflies and pollinators. © California Native Plant Society. Asclepias fascicularis is a species of milkweed known by the common names narrowleaf milkweed and Mexican whorled milkweed. Narrow leaf milkweed is a robust perennial native to many habitats and conditions across all of California. Keep the soil evenly moist until the seeds germinate in 10 - 20 days. Milkweeds contain cardiac glycosides, naturally occurring drugs that increase the force of heart contraction and have been used to treat heart conditions. Plant seeds 1/8" deep and 18” apart, using 3 seeds per hole. The leaf blades are narrowly lanceolate For propagating by seed: No treatment. Grows as a subshrub about 2' 4' high with stunning fragrant flowers. The blooms occur on upright thin stems clad with long, narrow, pointed leaves. If the plant is broken or pierced an alkaloid rich milky sap will flow freely. Can tolerate clay soils sopping wet in winter and rock hard during the summer drought. Narrow leaf milkweed is the most favored larval Monarch butterfly host in California. 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. Seeds need light to germinate so just gently press them into the soil on their sides without burying them. Similar species: None; very well-marked by the narrow leaves. 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. Plant Distribution. It tends to go dormant in the winter and regenerate the next year. Asclepias fascicularis (Narrowleaf Milkweed) is a flowering perennial boasting attractive clusters, 4-5 in. It is a virtually carefree perennial that has light green narrow leaves on 3' stalks, with clusters of pinkish white flowers in summer. 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. The description of these plants has been written based on numerous outside resources. 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