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best milkweed for southern california

All of these seem to have pink, pinkish, or white flowers. The monarchs in California are not those that winter in Mexico or that you read about when you were in school. 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. I suggest you choose one of the others. “Planting milkweed” seemed to be an obvious solution. You could get some seeds of California native milkweeds, grow them into transplant size, and gift them to friends who have garden space, or gift them to schools and community gardens. It is native to southern California, Arizona, and northern Baja California, where it is most abundant in the desert regions. Showy milkweed, Asclepias speciosa seeds. It takes time and effort to grow milkweed from seeds. Asclepias speciosa – This California native has beautiful pinkish flowers. Tropical milkweed (Asclepias curassavica) does not die back in winter, especially in warmer climates like southern California. I’ve caught the milkweed bug. Asclepias californica – deep pinkish/magenta-ish flowers. (with color photos of the above-mentioned plants), A guide to common milkweeds of California, Xerces Society (pdf), Monarch plant list – Coastal Calif, Xerces Society (pdf), some tips on starting milkweed seeds, including good descriptions of stratification, heat shocking, and scarification. Asclepias californica is a species in the Apocynaceae (Dogbane) family known by the common name California milkweed. However its natural range is in Central and Northern California. Corona del Mar, CA 92625, Open Daily 9 AM – 8 PM If they never bred somewhere, making them breed is not helping them. "When it comes to attracting Monarch butterflies this spring, they really just want one thing—and one thing only: milkweed," writes Elizabeth Gulino for House Beuatiful . Poison-ing may occur if animals are fed hay containing large amounts of milkweed (USDA ARS, 2006); it is impor-tant to avoid the inclusion of milkweed in prepared feeds and hay. The seeds that grow in southern California should be adapted to the dry conditions that we are facing. California is the third largest state – nearly 800 miles from the Mexico border to Oregon - and an important place for the Western Monarch Butterfly population. Three species have particularly wide ranges and are good choices in most regions: common milkweed ( Asclepias syriaca ), swamp milkweed ( A. incarnata ), and butterflyweed ( A. tuberosa ). The monarch butterflies spend winter along the California coast between Mendocino County and San Diego. Here are some common monarch health issues: 6 Monarch Diseases and Prevention. In 2013 I visited the monarch butterflies where they overwinter in California and counted only five monarchs. I have a desire to help the monarch butterfly. there are more disease issues in Southern California because the continuous growing season means plants can collect spores and bacteria. International Garden Center in El Segundo carries A. fascicularis in one gallon pots. (They also stock A. speciosa, which is for Northern California, not for here). Ours do not travel from the Northern parts of North America to Southern areas every winter and then back again the following spring. General Description . A. californica is endemic to California but is most widespread in the southern part of the state. It has yellow/orange flowers. Most milkweed species are fairly drought-tolerant, so even during the establishment phase, irrigating every 10–14 days is usually sufficient. We send out two Northern Varieties called Syriaca and Speciosa which can survive the winters at the end of the growing season, and Asclepias Curassavica (southern milkweed / red and yellow flowers) to appropriate areas. It has deep purple flowers and almost white gray fuzzy foliage. $8.00. A new survey of the Western population of … California is the center of the distributions for six milkweed species used by monarchs; A. fascicularis (Mexican whorled/narrowleaf milkweed), A. erosa (desert milkweed), A. californica (California milkweed), A. cordifo- lia (heartleaf milkweed), A. eriocarpa (woolypod milkweed) and A. vestita (woolly milkweed). The plant is quite drought tolerant and prefers somewhat dry, poor soils. more here. Antelopehorn milkweed (A. asperula) California. They should move along, or nectar, or overwinter in their South/Southwesterly Migration. California monarchs are in trouble and federal officials have demurred when it comes to providing help. Water once, and then allow the winter rain and/or snow to provide moisture until the spring. aka Woolypod milkweed, Indian milkweed. NO, DON’T PLANT THESE IN SOUTHERN CALIFORNIA…. Remember that monarchs are more likely to be attracted to your milkweed patch if you plant a clump of milkweeds together in a grouping, rather than a single milkweed plant. — thanks! From my review of California Native plant websites and Xerces Society information sheets, I’ve come up with an extremely simple formula. The invertebrate conservation group The Xerces Society recommends native milkweed species. California Native Milkweed Species. Tropical milkweed actually has higher cardenolide levels than native milkweed, so it helps to protect monarchs. For Los Angeles and Southern California, consider the following. You may wish to prune off the brown seed pods before … But then things got a bit more complex. Woolly Pod milkweed (A. eriocarpa) Woolly milkweed (A. vestita) Heartleaf milkweed (A. cordifolia) California milkweed (A. california) Desert milkweed (A. crosa) Showy milkweed (A. speciosa) Mexican Whorled milkweed (A. fascicularis) What about all that controversy over the tropical kind? This tropical milkweed has red-orange flowers with a yellow center, and glossy-green leaves. Asclepias vestita – creamy flowers and broad leaves. Locally, in Southern California west of the deserts we have three native milkweed species, Asclepias fascicularis, A. eriocarpa and A. californica. ARS, 2006), but milkweed is not in the ten most com-monly diagnosed plant poisonings of livestock in Cali-fornia from 1990 to 2007 (Forero et al. She then proceeds to lay her egg on a leaf — and only on the leaf of a milkweed.This is because monarch caterpillars depend on the plant for food, eating every leaf in their path until they complete their metamorphosis (a cycle tha… Narrow-leaved milkweed, or Asclepias fascicularis, is a relatively showy plant reaching about three feet in height with pale pink to cream colored flowers. aka Narrow-leaved milkweed. It provides amazing habitat each winter with over 400 overwintering sites that are home to monarchs migrating from much of the Western states. aka Wooly milkweed. 2011). If you plant the native varieties in late summer (which is when nurseries seem to stock it), when the weather grows cold you can expect it to die back into its rootstock, the way your bulbing flowers like narcissus would. This is a drought tolerant species that does well in hot dry conditions. aka Narrow-leaved milkweed. aka Woolypod milkweed, Indian milkweed. When & Where To Plant Milkweed. 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. It is a favorite egg-laying plant which grows quickly and will sprout many seed pods. The parent butterfly will lay its egg on the underside of a milkweed leaf. It is native to California and northern Baja California from the East Bay region southward and the foothills of the Sierras. If you know the botanic name and the appearance of the variety of milkweed you are seeking, you might be able to find it on other sites, such as Etsy. Asclepias fascicularis – white flowers and narrow 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 expect. About November the foliage will quickly yellow and begin to dry. If you enjoyed this post, please consider making a small donation to support my ongoing work. It all started with an accidental visit to a City of Santa Monica building near Santa Monica airport. Whether native or tropical, make your milkweed choice carefully and manage your plants intelligently. (Here are some tips on starting milkweed seeds and more instructions ). For our area: pink & white flowers = GOODyellow & orange flowers = bad. But the adult monarchs need nectar plants. Rush milkweed seed packet, Asclepias subulata 25 seeds. With a blooming period lasting from May through October, narrow-leaved milkweed provides plenty of nectar for adult monarchs, but more importantly, it provides the necessary leaves that Monarch butterflies depend upon, and not the harmful protozoa. Asclepias erosa is a species of milkweed known commonly as desert milkweed. window.dojoRequire(["mojo/signup-forms/Loader"], function(L) { L.start({"baseUrl":"mc.us2.list-manage.com","uuid":"74fad4a43410178f78398f3d2","lid":"32807342bd","uniqueMethods":true}) }), Joanne Poyourow | J. Maak | Change-Making.com, A guide to common milkweeds of California, Xerces Society, Monarch plant list – Coastal Calif, Xerces Society. Asclepias eriocarpa – creamy-white flowers and broad leaves. 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. It is found mostly in Southern California. Risks of Non-Native Milkweeds (Mexican Milkweed) in California Mexican Milkweed (Asclepias curassavica) is easy to find in garden centers and mega-marts around the Bay Area, and is an alluring purchase due to its showy red and yellow flowers and misleading common name of 'Milkweed'. But they do move around regionally, just not like the big migrations of some areas. The latter two are highly ornamental and widely available via the nursery trade. The loveliest of the California natives is showy milkweed (Asclepias speciosa). Plant seeds 1/8" deep and 18” apart, using 3 seeds per hole. Mark where its root are, and leave it undisturbed until spring warms up – you should see resprout at that time. ... Milkweed produces glycoside toxins to deter animals from eating them. Larner Seeds carries all kinds of California natives, and their supply can vary season-by-season. And raising seeds is something you can do inside an apartment! Which kind of milkweed? There are several California native milkweeds, which are the ones we should be planting. We shouldn’t plant it in Southern California. Watching Spots in California . Mexican whorled milkweed, Asclepias fascicularis 25 seeds. We suggest all tropical milkweed be removed from your garden, but we know that some gardeners will resist this request, especially when they see larvae abundantly feeding on it. Light: Young Milkweed plants need plenty of diffuse light as they grow.Plant in full sun locations. Unlike Tropical Milkweed, which retains foliage all winter and even a few flowers, our native milkweed is completely winter dormant. Per the Xerces Society, its furthest northern range is in Mexico. Roger’s Gardens no longer sells or recommends tropical milkweed. The Tropical Milkweed is the one you’ll usually see at Armstrong and other chain nurseries. (visit our Holiday Hours), Copyright © 2020 | Roger’s Gardens | All Rights Reserved, Monarchs and Milkweed, What Gardeners Need to Know. DON’T plant that one in Southern California. 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. Butterfly Weed (Asclepias tuberosa), Swamp Milkweed (Asclepias incarnata) are considered the best varieties for an ornamental garden. Milkweed is suitable for U.S. Department of Agriculture plant hardiness zones 3 to 9, where it prefers full sunlight and well draining soil. Plant milkweed. Ideas for your Southern California gardens include California native asters, California native lobelias, Cleome, ceanothus, manzanita, baccharis, and black sage. According to the Xerces Society, L.A. is at the southern tip of the range for this plant. It is very drought tolerant even occruing in some high desert areas. When you think about it, it’s rather remarkable how a butterfly can spot a single milkweed from the sky. According to Theodore Payne Foundation, wait until the weather warms up in March – here are their instructions. Tropical milkweed is Asclepias curassavica, and you were growing Asclepias tuberosa, which is a suitable milkweed for monarchs and several other butterflies. The catch was, what kind of milkweed should I plant? Find milkweed plants. Monarch expert Karen Oberhauser from the University of Minnesota recently did a Q & A for Journey North and this is what she had to say about Asclepias curassavica: “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. We shouldn’t plant it in Southern California. Asclepias sublata – aka Rush milkweed. She lands on it, scratches it with her front legs, tastes it with her feet, and confirms that it’s indeed milkweed. Heartleaf milkweed seed 1 gram, Asclepias cordifolia. Turns out there is strong evidence that planting milkweed (Aesclepis sp.) We will remain open and will continue to follow COVID Safety Measures. Its carnation-scented blossoms are two-tiered: Five-fingered pink coronas are backed by … 2301 San Joaquin Hills Rd. What else did I need to know? Soil: There is a Milkweed variety for every landscape. For milkweeds, as with most native plants, The Problem With Tropical Milkweed. in places it never was (San Francisco and other California counties) might not be the best idea. Tropical Milkweed (Asclepias curassavica) Tropical milkweed probably wins the contest for the … Monarchs travel vast distances as they overwinter in Mexico and Southern California. For monarch butterflies in western North America, native milkweed varieties include: California milkweed (Asclepias californica) Heart-leaf milkweed or purple milkweed (Asclepias cordifolia) Once established it is drought-tolerant and does well in … 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. 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. Post updated Sep 12, 2019 with additional sources of native milkweed. It grows in many of our local canyons, hillsides and mountain foothills; and fortunately, now occasionally in … This, in turn, encourages the monarchs to not migrate, to stay here in the wrong seasons, and it can lead to a buildup of the Ophryocystis elektroscirrha  infection which is detrimental to the monarchs — the complete opposite of what we are trying to do! As I write this, in May 2019, they stock A. eriocarpa and A. fascicularis which are appropriate for our area. Shortly after this, the entire plant is generally cut back to near the soil line to let it rest until the following spring, when it will burst out with a fresh season of growth. How do you tell what kind of milkweed you have? If you live in Orange County,Riverside, San Diego, etc. There are also many non-native varieties of milkweed that grow well here in southern California. When do you plant those seeds? Growing Instructions: Start California Milkweed seeds outdoors in late November. Tropical Milkweed acts as a perennial in our area, it doesn’t go dormant. Most sites south of Santa Barbara and north of Santa Cruz have far fewer butterflies to see. Sold out. Asclepias eriocarpa – creamy-white flowers and broad leaves. sustainable living and creating positive change. Your efforts will help bring back the Monarch’s and restore their populations to healthy levels. Tropical Milkweed (Asclepias currasavica) has many variations, but is commonly found in red/yellow or yellow. Nonetheless, there still may be an issue. I’d heard some controversy about milkweeds, that we shouldn’t be planting Tropical Milkweed, but I wasn’t sure. Asclepias is a genus of herbaceous, perennial, flowering plants known as milkweeds, named for their latex, a milky substance containing cardiac glycosides termed cardenolides, exuded where cells are damaged. ; Swamp Milkweed, as its name implies, will do best in a moist environment, making it great for wet meadows or rain gardens. Support the monarch. My hope is that, if I can get California native milkweeds established in my garden, you should eventually be able to get the right kind of milkweed for Los Angeles via Cityscape Seeds. It is a flowering perennial with thick, white, woolly stems which bend or run along the ground. The spots listed below are the most popular and easiest to reach, but they aren't the only places you can go to. Asclepias californica, California milkweed is one of the most beautiful milkweeds in California. It is our native milkweed, usually called Narrow-leaf Milkweed or more accurately Asclepias fascicularis. I wanted a milkweed patch at my place! Not for L.A., but if you’re in San Diego, try planting this one. CalFlora shows its native range as the southeastern portion of California. Like other drought tolerant milkweeds, the stems and leaves are covered with a thick covering of long hairs giving the plant a woolly appearance. They had planted milkweed outside the building, 18+ plants by my count, and there were TONS of monarch larvae, with lines of chrysalises along the building’s siding. Common Milkweed grows well in average garden soil. All of these native species, of course, go completely dormant during the winter months, which is ideal for monarch health. It disappears completely in the winter – and that is perfect for monarchs! In Southern California, gardeners have milkweed choices when outdoor plant shopping. Asclepias californica, (California milkweed). A few adult monarchs fluttered about, checking the place out. People focus on milkweed because it is the larval food plant — the plant where the monarchs lay their eggs, the plant the baby caterpillars eat as they grow and prepare to go into their chrysalis. Asclepias curassavica – DO NOT PLANT. Asclepias fascicularis – white flowers and narrow leaves. Fortunately, our monarch butterflies in California and other western states are far less migratory than their Eastern brethren, so the issue of effecting their migration habits does not apply as much to our region. In Southern California another milkweed also grows well, and it has been here for thousands of years. (at least they had it in Sep 2019) They also stock the tropical kind too, so avoid those tell-tale yellow/orange flowers. As with all species of milkweed, pinching off the blooms once they are spent, a process called “deadheading,” can greatly prolong the blooming season. They are best grown from seed, as their long taproots can make transplanting difficult, and will flower and begin producing seed starting in their third year. Asclepias californica – deep pinkish/magenta-ish flowers. Pick a location with full sun and prepare soil for good drainage, if needed. I set out on a journey to kick off a monarch butterfly population explosion! That way you are helping to increase the number of milkweeds in Southern California and getting the right kind of plants out there to welcome the butterflies. That way, the plant keeps putting out more flowers in an effort to fruit and reproduce. For those of us growing in southern California, this is even more important than ever as we face record drought conditions. For decades the most common milkweed species in our gardens has been a Central American species sometimes called Tropical Milkweed, or more correctly Asclepias currassivica. Southern California Pro-tips Narrowleaf milkweed is native to the western U.S. states of CA, ID, NV, OR, UT, and WA, where it grows below 7,000 feet in sagebrush, chaparral, grasslands, and foothill woodland communities.

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