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. Which kind of milkweed? Larner Seeds carries all kinds of California natives, and their supply can vary season-by-season. 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. Asclepias fascicularis – white flowers and narrow leaves. There are several California native milkweeds, which are the ones we should be planting. ; Swamp Milkweed, as its name implies, will do best in a moist environment, making it great for wet meadows or rain gardens. Asclepias fascicularis – white flowers and narrow leaves. 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. It disappears completely in the winter – and that is perfect for monarchs! Milkweed is suitable for U.S. Department of Agriculture plant hardiness zones 3 to 9, where it prefers full sunlight and well draining soil. Pick a location with full sun and prepare soil for good drainage, if needed. Rush milkweed seed packet, Asclepias subulata 25 seeds. aka Narrow-leaved milkweed. She lands on it, scratches it with her front legs, tastes it with her feet, and confirms that it’s indeed milkweed. 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. aka Woolypod milkweed, Indian milkweed. 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. “Planting milkweed” seemed to be an obvious solution. Common Milkweed grows well in average garden soil. What else did I need to know? It is found mostly in Southern California. For milkweeds, as with most native plants, The Problem With Tropical Milkweed. California Native Milkweed Species. "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 . 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. Asclepias californica – deep pinkish/magenta-ish flowers. Tropical Milkweed (Asclepias currasavica) has many variations, but is commonly found in red/yellow or yellow. (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. You may wish to prune off the brown seed pods before … It all started with an accidental visit to a City of Santa Monica building near Santa Monica airport. 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. Antelopehorn milkweed (A. asperula) California. When & Where To Plant Milkweed. in places it never was (San Francisco and other California counties) might not be the best idea. If you enjoyed this post, please consider making a small donation to support my ongoing work. Unlike Tropical Milkweed, which retains foliage all winter and even a few flowers, our native milkweed is completely winter dormant. It is a favorite egg-laying plant which grows quickly and will sprout many seed pods. CalFlora shows its native range as the southeastern portion of California. Your efforts will help bring back the Monarch’s and restore their populations to healthy levels. (They also stock A. speciosa, which is for Northern California, not for here). 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… General Description . According to the Xerces Society, L.A. is at the southern tip of the range for this plant. 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. If you live in Orange County,Riverside, San Diego, etc. Monarchs travel vast distances as they overwinter in Mexico and Southern California. It has yellow/orange flowers. It has deep purple flowers and almost white gray fuzzy foliage. 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. But the adult monarchs need nectar plants. Ours do not travel from the Northern parts of North America to Southern areas every winter and then back again the following spring. I’ve caught the milkweed bug. 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. Corona del Mar, CA 92625, Open Daily 9 AM – 8 PM Per the Xerces Society, its furthest northern range is in Mexico. Asclepias californica, California milkweed is one of the most beautiful milkweeds in California. 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. A new survey of the Western population of … The spots listed below are the most popular and easiest to reach, but they aren't the only places you can go to. Asclepias erosa is a species of milkweed known commonly as desert milkweed. 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. It takes time and effort to grow milkweed from seeds. Plant seeds 1/8" deep and 18” apart, using 3 seeds per hole. Watching Spots in California . aka Narrow-leaved milkweed. 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) I suggest you choose one of the others. 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.
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