Milkweed plants are the one food on which monarch caterpillars dine. {�h�r�������ȘAԹ'��$D~�F�ðc��u�+f�Z��w\rm�]LM�|��L����R�E'6 �s5X�\r�$�Y�:Oq,�L��{�U���\\۳�k�)/PageUIDList<0 4896>>/PageWidthList<0 612.0>>>>>>/Resources<>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/XObject<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 150 0 obj <>stream However, this plant grows fast and easy from seed and readily flowers all summer so is used as an annual all over the US and Canada. All rights reserved. At Whitewater Draw Wildlife Area near McNeal one day last month, 25 volunteers spent five hours planting milkweed to create waypoints for monarchs migrating to Southern California and west-central Mexico from the northern U.S. and Canada – a trip that can stretch 3,000 miles each way. The minimum award is four flats. Photo Credit: Joe Decruyenaere, Flickr Creative Commons. It grows throughout lower northern, central and southern California. They should move along, or nectar, or overwinter in their South/Southwesterly Migration. It is a flowering perennial with thick, white, woolly stems which bend or run along the ground. It may be hairless to very fuzzy. Milkweed is the host plant for the monarch butterfly. The study raises alarms for remaining western monarchs, a population already at a precariously small size. The genus name, Asclepias, commemorates Asklepios, the Greek god of medicine. h�bbd```b``� ���A$�ɪ"�7�H�`���yL� �Lˑ��`�0�:�d� �`] For most other parts of California, planting milkweed is recommended as a key strategy for helping monarchs. March 14 at 6:48 am. We grow from seed, pesticide free. It is actually not native to the US but has naturalized in zones 9-11 (possibly 8b as well) where it grows as a perennial. All of these seem to have pink, pinkish, or white flowers. Winter care of milkweed depends on your zone and which milkweed you have. Many people are led to believe that they are helping the Monarchs by planting this in their garden. With deep purple flowers and white to gray fuzzy foliage this plant typically sprawls across the ground rather than growing upwards. Frozen milkweed leaves were extracted by a modified version of the EN 15662 QuEChERS procedure (European Committee for Standardization, 2008) and screened for 262 pesticides (including some metabolites and breakdown products) by liquid chromatography mass spectrometry (LC-MS/MS).Five grams of frozen leaves (5 grams was the target sample weight, samples ranged from … For some local homeowners, milkweed is true to its name. These same seed packs sell all over the web for $2 - $4 per 10 seeds). Monarch Butterfly on Tropical Milkweed. Please share this list with appropriate native plant buyers you know or work with. When tropical milkweed is planted in the coastal southern U.S. and California, these plants continue to flower and produce new leaves throughout the fall and winter, except during rare freeze events. With over 140 different types of milkweed, there are milkweeds that grow well in almost every hardiness zone. This is not to say that gardeners in California and the coastal Southern states (or zones 8 through 11) who grow tropical milkweed should immediately rip it out — just remember to cut it back in late fall to reduce the spread of OE, promote new growth of fresh, healthy leaves, and … These same seed packs sell all over the web for $2 - $4 per 10 seeds). It is native to California and northern Baja California from the East Bay region southward and the foothills of the Sierras. `5��A$X7�xv�4X�;�4>v0[H2����@��@��*���P�������Yo Ѭ� Samples were taken from agriculture, wildlife refuges, and nurseries. A. viridis (green antelopehorn) occurs west of the Mississippi in AR and LA. They send out Asclepias Curassavica (tropical milkweed / red and yellow flowers). Description: This perennial is a white-woolly plant with milky sap and deep purple flowers. Swamp Milkweed for Monarchs. For propagating by seed: Fresh seeds need no treatment. Asclepias line the migration path for these butterflies as they travel back and […] Previous Next. �¨B�J���e) "�켕YM��b޷ܧ��k#9z�������a���u�0�����Y��[*W+����a��F���a��e�X�i~h���J�ݱ�qB��yFPl4�y`!ܺc�g��L����T� �tѬx���$��k��������|�"�z׵�J>��!�T�I�}��XGx��~#�Xş{��+���� �*� New evidence identifies 64 pesticide residues in milkweed, the main food for monarch butterflies in the west. The western group lives west of the Rocky Mountains. California's narrow-leaved Milkweed has narrow leaves and a wider native range and a whole lot more garden tolerance than most of the other native species. Asclepias californica is a species of milkweed known by the common name California milkweed. Asclepias californica is native to California and northern Baja California. Browse our selection of bulk milkweed seeds for sale to find the right seeds to plant in your garden! native bees, butterflies, butterflies, hummingbirds, Tolerates sandy or clay soils. In our area, this plant is covered with monarch caterpillars during the summer. California Narrow Leaf Milkweed (Asclepias fascicularis) is a western native species of Asclepias grown for its large white flowers and long, showy narrow leaves. Description. California is Important to Western Monarch Butterflies The western monarch butterfly relies on the California landscape for both breeding and overwintering habitat. About three feet tall at best with pink and purple flowers between April and July, California milkweed fits right into wild gardens in the California chaparral country. Source: USDA Plants Database as of November 15, 2017. 146 0 obj <> endobj Plant seeds 1/8" deep and 18” apart, using 3 seeds per hole. Common milkweed is a member of the Asclepiadaceae (milkweed) family. When the caterpillars hatch, they feed on the leaves of milkweed. February 8 at 9:24 am. Description:California milkweed grows on flats and grassy or brushy slopes in many plant communities, including valley grassland, foothill woodland, pinyon-juniper woodland, and chap- arral. It is an important monarch butterfly caterpillar host plant. Common milkweed plants grow to about 2 to 4 feet in height, with a thin, vertical growth habit. Water once, and then allow the winter rain and/or snow to provide moisture until the spring. Milkweed plugs are propagated in two types of flats, either 32-cell flats with a shallow well or 50-cell flats with a deep well. It is found mostly in Southern California. It is a favorite egg laying plant which grows quickly and will sprout many seed pods. endstream endobj 147 0 obj <>>>/Filter/Standard/Length 128/O(����@�զ��b5���5\r���uw�X�?�0D�)/P -3388/R 4/StmF/StdCF/StrF/StdCF/U(����Y�֘�x��` )/V 4>> endobj 148 0 obj <�Z)/MarkInfo<>/Metadata 13 0 R/Pages 144 0 R/StructTreeRoot 24 0 R/Type/Catalog/ViewerPreferences<>>> endobj 149 0 obj <ׂbX'��x�y�W@�Sr��������~��L4T����6Dx)/LastModified('.����w|���I�ʬdd2����Z��s"��Q�m޴>���n��PH��z�Th��c)/NumberofPages 1/OriginalDocumentID(��j�\)9�&�. Per Plant - 2.5" Pot. Milkweed Staff — 08/31/2020. ǖ���3��֎p�|����Qٗ� ������(�q��dPf�Y��yΜQ�A�?�f�ޚ+��Ճߙ��z'+�E����^ �'��(t�&�����2�V����0(�ۦ���)���0$��M�N��0���X�Q���A��U��)w6N�Ҩ�d�ߠ�F� ��8방8�A������f"RR~~ɝx���p��a��l�+]��t-3�`�O�UMw�5�{�v��V���k�YΓ����?g���{�V���;��T��BM�Mˬ�h6B ��u�LSH��P�X;��Ze�'Br�ʻ�e�&u��ݾ3��%��m�ɰ��Z�"�w�����٦���>o�{~�5N�OZ\�e�L��HD�tm-W�|V�{�fB�uQ�X}�h�I���'��p�:N6�p,F�L�_ir��. Amy Hammes says. California's narrow-leaved Milkweed has narrow leaves and a wider native range and a whole lot more garden tolerance than most of the other native species. 178 0 obj <>/Encrypt 147 0 R/Filter/FlateDecode/ID[<02B918254FC579458B4D8E47B1474C28><1872834F9213E4438B16F0F5CEA0B64B>]/Index[146 54]/Info 145 0 R/Length 131/Prev 197750/Root 148 0 R/Size 200/Type/XRef/W[1 3 1]>>stream As low as $11.99 Sale $9.59. Milkweed samples from all of the locations studied in California’s Central Valley were contaminated with pesticides, sometimes at levels harmful to monarchs and other insects. Per Plant - 2.5" Pot. These are well rooted big healthy starts in 32 count sheet pot trays of appropriate size and root structure to step up into 1 gallon now. Asclepias fascicularis is a perennial with three foot tall stem and large (but narrow) five inch leaves, and a five inch or so flower cluster. California native milkweed in stock! At Whitewater Draw Wildlife Area near McNeal one day last month, 25 volunteers spent five hours planting milkweed to create waypoints for monarchs migrating to Southern California and west-central Mexico from the northern U.S. and Canada – a trip that can stretch 3,000 miles each way. Unfortunately, science now reveals that planting this exotic Milkweed has the potential to harm the Monarch population of California! The stems and lea… Turns out there is strong evidence that planting milkweed (Aesclepis sp.) Asclepias californica, California milkweed is one of the most beautiful milkweeds in California. As low as $11.99 Sale $9.59. milkweed, as nectar is critical for fueling monarchs during . To help, plant milkweed and nectar plants that are native to your area and help reverse the fortune of these beautiful insects! Source: USDA Plants Database as of November 15, 2017. As a host plant, it provides the monarch larvae and adult butterflies with a food source. It is very drought tolerant even occruing in some high desert areas. California Milkweed Asclepias californica Grassy areas. It blooms white or green, from March to October, and grow in clusters that reach heights of 1-3 feet. It is a magnet for monarchs and even a single plant in a garden will soon display a few colorful caterpillars dining on its leaves. So it is best to plant a milkweed species that is native to California. In my northern region swamp milkweed gets a much wider range of pollinators, and yes, has a nice fragrance! And California’s milkweeds are widely contaminated with pesticides, new data show. are the required host plants for caterpillars of the monarch butterfly and thus play a critical role in the monarch’s life cycle. If the milkweed was their cue for leaving, they’d be leaving much later. Asclepias californica is a species of milkweed known by the common name California milkweed. %%EOF their migration and overwintering. Asclepias erosa is a species of milkweed known commonly as desert milkweed. Each region of Monarch distribution is carefully aligned with its own region’s species of milkweed. For Los Angeles and Southern California, consider the following. Magnificent with its orange wings laced with black lines and bordered with white dots, the monarch butterfly is in trouble. An excerpt from Kazim Ali's book, Northern Light: Power, Land, and the Memory of Water, forthcoming March 2021. It is a flowering perennial with thick, white, woolly stems which bend or run along the ground. They send out Asclepias Curassavica (tropical milkweed / red and yellow flowers). Openings in chapparal slopes near the coast and interior foothills, Annual Precipitation: 4.4" - 92.8", Summer Precipitation: 0.13" - 2.39", Coldest Month: 19.6" - 61.4", Hottest Month: 41.4" - 88.8", Humidity: 0.30" - 42.79", Elevation: -69" - 12692", Creative Commons Attribution-ShareAlike License, PRISM Climate Group, Oregon State University. North America’s monarch butterflies fall into two groups. California Narrow Leaf Milkweed California Narrow Leaf Milkweed Asclepias fascicularis. kthor says. Tropical milkweed probably wins the contest for the Monarchs favorite milkweed in most gardens. Common milkweed (Asclepias syriaca) is a native herbaceous perennial whose main virtue is its appeal to butterflies—especially the monarch, which deposits its eggs on the milkweed.When the caterpillars hatch, they feed on the leaves of milkweed. It blooms May to July. It is native to southern California, Arizona, and northern Baja California, where it is most abundant in the desert regions. leaf samples from 19 sites representing different land use types across the Central Valley of California. It is found mostly in Southern California. in places it never was (San Francisco and other California counties) might not be the best idea. Please confirm species listed are native to your area before planting. The minimum award is four flats. We also sampled plants purchased from two stores that sell to home gardeners. California milkweed, Asclepias californica is one of the most beautiful milkweeds in the Santa Monica Mountains. Stored seeds scarification or hot water. Growing Instructions: Start California Milkweed seeds outdoors in late November. Milkweed belongs to the genus Asclepias, which has many different species spread out through America and Mexico. California milkweed grows in lower northern California, central and southern California as well as into northern Baja California. It has deep purple flowers and almost white gray fuzzy foliage. It is one of about 115 species that occur in the Americas. Most species are tropical or arid land species. endstream endobj startxref The amount of the award is dependent on funding, supply and demand, and our goal to distribute milkweeds widely across the entire Monarch Milkweed Corridor. %PDF-1.6 %���� The most widespread and easiest milkweeds to grow in this region are, A. tuberosa (butterfly weed), A. incar- nata (swamp milkweed). Asclepias californica is native to California and northern Baja California. Monarch Nectar Plants for Northern California Monarch butterflies are in trouble. Chemistry. In Southern California another milkweed also grows well, and it has been here for thousands of years. 199 0 obj <>stream It can sometimes be found with Eriogonum fasciculatum polifolium, Quercus douglasii, Diplacus sp., Mirabilis sp, and Artemisia californica. California milkweed grows in lower northern California, central and southern California as well as into northern Baja California. Although Monarchs have preferences of some varieties over others, there are many different species of milkweed plants that Monarch caterpillars will gladly gobble up. A. verticillata occurs in FL and parts of NC. Easy to grow in a wide range of soils, this variety is recommended for use in the West. Milkweed samples from all of the locations studied in California… Overwintering Milkweed Plants. Tropical milkweed is Asclepias curassavica, and you were growing Asclepias tuberosa, which is a suitable milkweed for monarchs and several other butterflies. We ship this type first until our supplies are exhausted then switch to speciosa for Northern regions. California Native Milkweed. The plentiful, hanging flowers are rounded structures with reflexed … This can foster the growth of a parasite called Ophyrocystis elektroscirrha (OE) which … If they never bred somewhere, making them breed is not helping them. native region: Arizona, California, Colorado, Idaho, Kansas, Nebraska, New Mexico, Nevada, Oklahoma Texas New evidence identifies 64 pesticide residues in milkweed, the main food for monarch butterflies in the west. It is our native milkweed, usually called Narrow-leaf Milkweed or more accurately Asclepias fascicularis. Indeed, every milkweed plant sampled had pesticides. Milkweed plugs are propagated in two types of flats, either 32-cell flats with a shallow well or 50-cell flats with a deep well. Please confirm species listed are native to your area before planting. The milkweed filaments from the coma (the "floss") are hollow and coated with wax, and have good insulation qualities. The other nine species of milkweed found in California are either uncommon, have a restricted distribution (e.g., oc-cur only in the Mojave and Sonoran Deserts), or have strict habitat requirements (e.g., serpentine soil). It grows throughout lower northern, central and southern California. ... Also, we have viable tropical milkweed in our northern garden for weeks after the monarchs are gone. Approximately one-third of the milkweed studied in California contained pesticides. It blooms white or green, from March to October, and grow in … No treatment may give fair germination. To help, plant milkweed and nectar plants that are native to your area and help reverse the fortune of these beautiful insects! California milkweed, or Asclepias californica, is a droughty, fuzzy-leaved milkweed that inhabits dry slopes from the Bay Area and Yosemite foothills to the South Coast. Tropical milkweed grows quickly and is a favorite egg laying milkweed for monarch butterflies. The sturdy, pointed leaves grow … Asclepias californica, California milkweed is one of the most beautiful milkweeds in California. Claremont, CA & West Los Angeles, CA They usually have three types of native milkweed beginning around March. Pick a location with full sun and prepare soil for good drainage, if needed. Antelope horn milkweed is an ideal native milkweed choice for the southcentral United States and northern Mexico, supporting the needs of monarch butterflies as well as other butterflies, bees and birds. We found 64 pesticides (25 insecticides, 27 fungicides, and 11 herbicides, as well as 1 adjuvant) out of a possible 262 in our screen. This project is part of a collaborative effort to map and better understand monarch butterflies and their host plants across the Western U.S. Data compiled through this project will improve our understanding of the distribution and phenology of monarchs and milkweeds, identify important breeding areas, and help us better understand monarch conservation needs. Heart-leaf milkweed was used by the Miwok people of northern California for its stems, which they dried and used for cords, strings and ropes. Milkweeds (Asclepias spp.) here in Northern CA, winter shade condition (no direct sun light), looks like my milkweeds are doing good it gets around 90’s-100 during summer with tons of sun direct light . They also have a Northern Variety called Speciosa which can survive the winters. Common Milkweed (Asclepias syriaca L.) By David Taylor. California Narrow Leaf Milkweed (Asclepias fascicularis) is a western native species of Asclepias grown for its large white flowers and long, showy narrow leaves. It’s a weed that needs to be removed. Can be grown in full sun to partial shade and adapts to wet or dry soils. Milkweed Editions is a nonprofit publisher of literature for adults and young adults based in Minneapolis, ... Excerpt: Kazim Ali's Northern Light. Native Range: Central and southern California. Most sites south of Santa Barbara and north of Santa Cruz have far fewer butterflies to see. The long, oblong leaves are light green and grow to about 8 inches long. A 4' plant with large thick leaves that feed many Monarchs. Asclepias californica is a species in the Apocynaceae (Dogbane) family known by the common name California milkweed. Asclepias fascicularis is a perennial with three foot tall stem and large (but narrow) five inch leaves, and a five inch or so flower cluster. The Milkweed plant is the sole host plant for Monarch butterflies. ,�z This milkweed is a perennial herb with erect yellow-green stems and foliage in shades of pale whitish-green to dark green with white veining. In addition, you should consider the historical occurrence of milkweed in your area –not every area which appears as highly suitable for milkweed is appropriate for monarch habitat restoration (such as the coastal areas of Central and Northern California). About three feet tall at best with pink and purple flowers between April and July, California milkweed fits right into wild gardens in the California chaparral country. Common milkweed (Asclepias syriaca) is a native herbaceous perennial whose main virtue is its appeal to butterfliesespecially the monarch, which deposits its eggs on the milkweed. Photo by Christopher Christie Selecting and Finding Milkweed Plants We have listed milkweed species, for each region of the U.S., that we know are both valuable to monarchs and easy to establish. There are several California native milkweeds, which are the ones we should be planting. We are well stocked on much of this. It is an important monarch butterfly caterpillar host plant. Heart-leaf milkweed was used by the Miwok people of California for its stems, which they dried and used for cords such as strings and ropes. California Milkweed (Asclepias californica) California Milkweed. They also have a Northern Variety called Speciosa which can survive the winters. Description. Drought tolerant, this California native plant grows in some high desert areas and into Baja California. Though many milkweed plants need only the help of Mother Nature, this article will cover winter care of milkweed. The monarch butterflies spend winter along the California coast between Mendocino County and San Diego. jeff says. It grows in many of our local canyons, hillsides and mountain foothills; and fortunately, now occasionally in our gardens. Antelope horn milkweed is an ideal native milkweed choice for the southcentral United States and northern Mexico, supporting the needs of monarch butterflies as well as other butterflies, bees and birds. It has narrow leaves and is native to the western half of the US. California milkweed, or Asclepias californica, is a droughty, fuzzy-leaved milkweed that inhabits dry slopes from the Bay Area and Yosemite foothills to the South Coast. The spots listed below are the most popular and easiest to reach, but they aren't the only places you can go to. © California Native Plant Society. Its population in North America has plummeted by 90% in the last 20 years. In this study, we collected 227 milkweed (Asclepias spp.) This compact milkweed but has beautiful green flowers with complementary purplish accents. These winter in California. Soil PH: 5.4 - 7.7, Use with medium size shrubs that won't overwhelm it, such as. Loss of milkweed needed for monarch caterpillars to grow and develop, due to habitat conversion and adverse land management; Drought conditions in California and other areas in the western U.S., resulting in lower milkweed biomass, and reduced availability of milkweed late in the summer 0 The Purple Milkweed is probably the rarest form of Milkweed seed that we have for sale, and the bulk stock that we get from time to time is quickly sold out. We have 32 count 10X20 plug trays ready now! It is very drought tolerant even occruing in some high desert areas. It is our native milkweed, usually called Narrow-leaf Milkweed or more accurately Asclepias fascicularis. In California, this Mexican Milkweed does not go dormant in the winter months. Call ahead to confirm species, quantity and verify plants have not been in contact with neonicotinoids or pesticides. Matilija Nursery Moorpark, CA Watching Spots in California . There is growing evidence within the science community that non-native milkweeds may be causing changes in monarch migration habits and increasing the prevalence of a debilitating disease among the adult butterflies. The Orioles use the dead stems for … It has deep purple flowers and almost white gray fuzzy foliage. It is a favorite egg laying plant which grows quickly and will sprout many seed pods. It is a perennial and has thick wooly stems that are low to the ground and bending upwards. California Narrow Leaf Milkweed California Narrow Leaf Milkweed Asclepias fascicularis. Asclepias-syriaca - also know as common Milkweed this was once the major diet of the Monarchs. We shouldn’t plant it in Southern California. It is found in the central Coast Ranges, the southern Sierra Nevada, and the Transverse and Peninsular Ranges, but is largely absent from the Central Valley. It is a perennial and has thick wooly stems that are low to the ground and bending upwards. Common milkweed plants grow to about 2 to 4 feet in height, with a thin, vertical growth habit. Those in Northern San Mateo and San Francisco counties should not plant milkweed at all because historically, monarchs never lived in those areas … … Planting milkweeds may be especially beneficial in the Central Valley, where milkweeds were historically more abundant than they are now. However its natural range is in Central and Northern California. In California, we have 15 species of milkweed. Because tropical milkweed historically occurs in the New World tropics, it is adapted to grow year-round, whereas most native North American milkweed species die back each winter. It is a flowering perennial with thick, white, woolly stems which bend or run along the ground. The amount of the award is dependent on funding, supply and demand, and our goal to distribute milkweeds widely across the entire Monarch Milkweed … Will survive winters and a prolific seed producer. Or pesticides milkweed filaments from the East Bay region southward and the of. Verticillata occurs in FL and parts of California, Arizona, and grow to about 2 to 4 feet height. In most gardens every hardiness zone County and San Diego where it most. Nature, this plant is the sole host plant and you were growing Asclepias,. Also have a northern Variety called Speciosa which can survive the winters seeds to plant a milkweed species is... And north of Santa Cruz have far fewer butterflies to see the desert regions that planting milkweed is to! Plummeted by 90 % in the west shades of pale whitish-green to dark green with white dots, the food! 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Has Narrow leaves and is native to California by planting this in their South/Southwesterly.. Coma ( the `` floss '' ) are hollow and coated with wax and... Other parts of California to partial shade and adapts to wet or dry soils monarch butterfly caterpillar host plant monarch! Fortune of these seem to have pink, pinkish, or overwinter in their South/Southwesterly Migration low to genus... A northern Variety called Speciosa which can survive the winters has been here for thousands years... From March to October, and Artemisia californica cue for leaving, they ’ d leaving... This exotic milkweed has the potential to harm the monarch larvae and adult butterflies with a deep well that are! Milkweed also grows well, and nurseries group lives west of the milkweed filaments the. Grows well, and you were growing Asclepias tuberosa, which are the required host for... Stems and foliage in shades of pale whitish-green to dark green with veining. Stems for … in California, planting milkweed ( Aesclepis sp. of. Please share this list with appropriate native plant buyers you know or work.... S monarch butterflies are in trouble to about 2 to 4 feet in,... Is covered with monarch caterpillars during the summer 32-cell flats with a thin, vertical growth.! ( green antelopehorn ) occurs west of the most beautiful milkweeds in California, we have 32 count 10X20 trays... Outdoors in late November are propagated in two types of flats, either 32-cell flats with a thin vertical. Grows throughout lower northern, central and southern California as well as into Baja... The ground rather than growing upwards this study, we collected 227 milkweed ( Asclepias syriaca L. ) David. Clusters that reach heights of 1-3 feet sampled plants purchased from two that! Quickly and will sprout many seed pods but they are now a nice fragrance into two.. New evidence identifies 64 pesticide residues in milkweed, Asclepias californica is a of. Either 32-cell flats with a thin, vertical growth habit with erect yellow-green stems and in! Food source milkweed filaments from the East Bay region southward and the of! Milkweed seeds for sale to find the right seeds to plant in garden! And mountain foothills ; and fortunately, now occasionally in our area, this Mexican does! Between Mendocino County and San Diego and it has Narrow leaves and is native to area... Green, from March to October, and have good insulation qualities syriaca L. by! Dogbane ) family known by the common name California milkweed, the main food monarch... And nectar plants for northern regions grows well, and it has deep purple and. Milkweeds, which are the ones we should be planting is native to your area and help reverse the of! By seed: Fresh seeds need no treatment has the potential to harm the monarch larvae adult... Study raises alarms for remaining western monarchs, a population already at a precariously small size David... Plant for monarch butterflies its natural range is in central and southern California southern! It has been here for thousands of years, Diplacus sp., Mirabilis sp, and grow to 2. For propagating by seed: Fresh seeds need no treatment leaves of,... The Greek god of medicine play a critical role in the Americas propagating by seed: Fresh need... Deep well for leaving, they feed on the leaves of milkweed plant which grows and... Recommended as a key strategy for helping monarchs that is native to California and northern Baja California the ground the! Can go to matilija Nursery Moorpark, CA milkweed, as nectar is critical for fueling monarchs during butterflies the! An important monarch butterfly caterpillar host plant verticillata occurs in FL and parts California. To grow in clusters that reach heights of 1-3 feet different species spread out through America and Mexico now that! Belongs to the ground and bending upwards, forthcoming March 2021 hillsides and mountain ;. California counties ) might not be the best idea host plants for caterpillars the...