Fall seed planting. California Pollinator Plants Native Milkweeds (Asclepias spp.) Southern California Pro-tips. Drought tolerant, this California native plant grows in some high desert areas and into Baja California. Plant seed in fall in a sunny location. It is native to California and northern Baja California from the East Bay region southward and the foothills of the Sierras. Nonetheless, there still may be an issue. Common milkweed plants grow to about 2 to 4 feet in height, with a thin, vertical growth habit. It disappears completely in the winter – and that is perfect for monarchs! With deep purple flowers and white to gray fuzzy foliage this plant typically sprawls across the ground rather than growing upwards. Milkweed is also well known for attracting butterflies and serving as a host plant for their caterpillars. Plant seeds 1/8" deep and 18” apart, using 3 seeds per hole. quester the plants’ chemical compounds, giving them pro-tection by making them distasteful to predators. They usually have three types of native milkweed beginning around March. Using the planting schedules below will help you get the most out of your garden. In fact, many California plants do not need a frost to trigger germination, but it is on a species by species basis. Sitemap Grow Native Nursery, 2 locationsClaremont, CA & West Los Angeles, CA. Plant seeds 1/8" deep and 18” apart, using 3 seeds per hole. To grow Swamp Milkweed from seed, cold stratify in a moist paper towel in the refrigerator for 2 months, stored in a zip lock bag. California Milkweed is native to the following state: California. Milkweeds in the genus Asclepias provide the only plant material monarch caterpillars can eat. Whether to grow milkweed from seed (l), transplants, or rhizomes may depend on the species and the location. Milkweed plants, in all their various forms, are the exclusive foodplant of Monarch butterflies, so gardeners can play an important role in monarch ecology, and hopefully their recovery. 3 Toxicity to Livestock Begin by planting the local, Native milkweed to promote future years of Monarch habitat in your garden. Fertilize monthly in the summer with a general purpose fertilizer. When to plant milkweed. don’t plant milkweed where it didn’t naturally grow AND plant the native species) Liam tucks in another universally solid suggestion: plant nectar plants! You can plant milkweed seeds in early spring as soon as the soil can be worked, but they will need to be stratified for 2 to 3 months in the refrigerator before … In Connie Day's Santa Monica garden, a tiger-colored monarch spars with another butterfly, chasing it from a patch of milkweeds. Pick a location with full sun and prepare soil for good drainage, if needed. Although you can plant Milkweed in the spring after cold stratification and starting seeds indoors, fall is the easier — and more natural — time to plant. And this popular plant hosts many more besides monarchs. When & Where To Plant Milkweed. Planting local milkweed species is always best. 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. After clearly labeling the sealed bag as \"milkweed seeds\" and dating it, place it in a refrigerator for 10 to 12 weeks. Spring seed planting. We will remain open and will continue to follow COVID Safety Measures. This product hasn't received any reviews yet. Growing Instructions: Start California Milkweed seeds outdoors in late November. Planting and Establishment. Fall-sown seed will be naturally stratified outside. The Ascelpias viridis (spider milkweed) plants will be spaced 1.5 to 2 feet apart. Tropical milkweed, Asclepias curassavica, was visited by this monarch caterpillar who is now off to find a … Water regularly allowing the soil to go nearly dry between each watering. Tropical Milkweed (Asclepias currasavica) has many variations, but is commonly found in red/yellow or yellow. Showy milkweed is native to much of the western half of North America. Biota of North America Program (BONAP). Photo by Jacoba Charles. 11. After stra… Map ©: Kartesz, J.T. (We recommend you take this action in October, but if you have let it grow … Once established, this native plant is a breeze to grow and requires little maintenance. Light: Young Milkweed plants need plenty of diffuse light as they grow.Plant in full sun locations. 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). California milkweed grows in lower northern California, central and southern California as well as into northern Baja California. The range of desert milkweed extends from western Arizona and southern Nevada, into southeastern California and Baja California, Sonora, and Sinaloa, Mexico. The stems and leav… Tropical milkweed is commonly grown as a host plant for monarch butterflies. Perhaps most famously, milkweed species serve as the host plant for the monarch butterfly. Zones 2-8 Plant in the spring after the danger of frost is gone. Live near overwintering sites, consider planting early spring, read our detailed instructions on cold moist.. 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