Asclepias erosa is a species of milkweed known commonly as desert milkweed. It is native to southern California, Arizona, and northern Baja California, where it is most abundant in the desert regions.
What mimics Bell’s palsy? syndromes associated with bell's palsy.


Which milkweed is best for Southern California?

In inland Southern California, Narrow Leaf Milkweed is the Monarch’s native host plant, and its flowers also provide nectar. It is a perennial that grows 3-4 ft. high and forms colonies. It grows best in full sun to part shade and is a low to moderate water user.

Can you grow milkweed in Southern California?

So in the simplest terms, butterfly experts say California native milkweeds, with their pink, white and cream-colored flowers are the only milkweeds we should be planting in Southern California, because they typically go dormant around December (meaning the tops of the plants die back but the roots stay alive), and …

When should I plant milkweed in Southern California?

Growing Instructions: Start California Milkweed seeds outdoors in late November. Pick a location with full sun and prepare soil for good drainage, if needed. Plant seeds 1/8″ deep and 18” apart, using 3 seeds per hole. Water once, and then allow the winter rain and/or snow to provide moisture until the spring.

Is hairy balls milkweed native to California?

California native plant; bears bright yellow flowers in summer and fall that attract butterflies and beneficial insects; ideal for native grass meadow. Climate Change ➡Milkweed too toxic ➡ Unknown ??? – IF you must have it cut to ground in Fall (Oct.

What milkweed is native to San Diego?

The five main San Diego native milkweeds are narrow leaf milkweed, Indian milkweed, California milkweed, rush milkweed and desert milkweed. San Diego native plant nurseries sell them, or you can grow natives from seeds purchased online or locally.

Is narrow leaf milkweed invasive?

The native milkweed species are not invasive. Milkweed plants develop large fleshy seed pods which pop open when mature, freeing the seeds.

Is Asclepias curassavica native to California?

NO, DON’T PLANT THESE IN SOUTHERN CALIFORNIA… Asclepias curassavica – DO NOT PLANT. … This milkweed has bright orange flowers, and seems to be native to other parts of the US.

Is Asclepias tuberosa native to California?

Asclepias tuberosa, a dicot, is a shrub that is not native to California.

What's the difference between native and tropical milkweed?

Tropical milkweed (Asclepias curassavica) is a non-native milkweed that has exploded in popularity in response to the demand for milkweed. … When native milkweeds die back after blooming, the parasite dies along with them so that each summer’s monarch population feeds on fresh, parasite-free foliage.

Is Asclepias Curassavica good for monarchs?

Tropical milkweed, Asclepias curassavica, has been much debated as a significant factor in monarch decline and disease for almost a decade. According to several studies, presence of the easy-to-grow, widely available perennial can encourage monarchs to break their reproductive diapause and stop migrating.

Where do Monarchs overwinter in California?

Monarchs living west of the Rocky Mountain range in North America overwinter in California along the Pacific coast near Santa Cruz and San Diego. Here microclimatic conditions are very similar to that in central Mexico. Monarchs roost in eucalyptus, Monterey pines, and Monterey cypresses in California.

Will milkweed come back every year?

It’s always best to plant milkweeds that are native to your area. … These native milkweed are perennials, meaning they come back year after year. Their aerial parts (flower, leaves, stem) die back but their rootstock remains alive throughout the winter.

Is hairy balls milkweed annual or perennial?

Perennial in Zones 9–11. Also known as hairy balls, swan plant, swan milkweed, and balloon plant.

What plant is called hairy balls?

Gomphocarpus physocarpus, commonly known as hairy balls, balloonplant, balloon cotton-bush, bishop’s balls, nailhead, or swan plant, is a species of milkweed. The plant is native to southeast Africa, but it has been widely naturalized. It is often used as an ornamental plant.

What are the balls on milkweed?

The seed pods of balloon plant are round balls about 2 to 2 1/2 inches in diameter. They are covered with soft bristles, which has also earned them the name of Hairy Balls plant. Most other milkweeds have longer and more slender seed pods.

Where is showy milkweed native to?

Native to the western U.S. and upper Midwest, Showy Milkweed tolerates a variety of soil types and conditions and is very drought tolerant.

Can I plant milkweed in California?

We recommend planting native milkweeds only. California is home to 15 species of milkweed. Two of these species, showy milkweed (Asclepias speciosa) and narrow-leaved milkweed (A. … We strongly recommend against planting nonnative milkweeds, including tropical milkweed (A. curassavica); see box for more information.

Is Asclepias fascicularis native to California?

California Narrow Leaf Milkweed (Asclepias fascicularis) is a western native species of Asclepias grown for its large white flowers and long, showy narrow leaves. Easy to grow in a wide range of soils, this variety is recommended for use in the West.

Do Monarch caterpillars eat narrow leaf milkweed?

Caring for your milkweed. In summer, Narrow-Leaf Milkweed (Asclepias fascicularis) grow fragrant white or lavender flowers that are a beautiful addition to any garden. In addition to the visual element, planting milkweed provides food for monarch caterpillars and nectar for a diverse range of pollinators.

How do you identify narrow leaf milkweed?

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.

Where can I buy native milkweed in California?

Home > Milkweed (all) for California. Showy milkweed is native to much of the western half of North America. In California it is found in the Sierras and Coast Ranges, from Tulare County to Modoc and Siskiyou Counties.

Where is scarlet milkweed native to?

Tropical or scarlet milkweed (Asclepias curassavica) is native to South America, but it has become naturalized in parts of several southern states, including Florida, Georgia, South Carolina, Tennessee, Louisiana, and Texas. Many questions and opinions exist regarding its use in gardens.

Which milkweed is invasive?

A few tips for purchasing and planting milkweed Common milkweed (Asclepias syriaca) is the source of the plant’s bad reputation—it’s quite invasive.

Where is tropical milkweed native?

Native to Central America and Mexico, Tropical milkweed grows well and sometimes year round in Texas and Florida.

Why is tropical milkweed bad?

Tropical milkweed can also interfere with monarch migration and reproduction. In northern areas it grows later in the season than native species, and just the presence of tropical milkweed may confuse monarchs into breeding at a time when they should be migrating.

Why is non native milkweed bad?

Milkweed that does not die back can result in the buildup of the protozoan parasite Ophryocystis elektroscirrha (O.E.) on those milkweed plants and the subsequent infection of caterpillars that consume the spores of the parasite along with the milkweed leaves they are eating.

What milkweed is bad for monarchs?

This is the reason Tropical milkweed (Asclepias curassavica), an introduced species native to Mexico, is developing a bad reputation among monarch biologists and conservation organizations. It can delay the butterflies’ instinctual fall migration through North Texas to the point of destruction.

Is Mexican milkweed the same as tropical milkweed?

“Mexican milkweed (Asclepias curassavica) is also known as tropical milkweed and is not a native plant. … This could happen with any milkweed – the problem with the tropical species is that it does not senesce (die back) in Houston’s mild winters but is perennial, growing throughout the year.

Is showy milkweed good for monarchs?

Using Showy milkweed in the Butterfly Garden Asclepias speciosa is a host plant for Monarch butterflies. … It just so happens that many types of butterflies are attracted to milkweeds because they are a great nectar source. That is why milkweeds are some of the best plants for butterfly gardens!

Are there monarch butterflies in Southern California?

Every year, from October through early March, these butterflies migrate to central & southern California, mostly coming in from areas west of the Rocky Mountains, and south from Oregon & Idaho. They flock to San Diego, Orange County, Monterey and Santa Cruz, forming huge clusters in groves along the coast.

Where can I see Monarch butterflies in Southern California?

Popular sites to visit include the Monarch Grove Butterfly Sanctuary in Pacific Grove, the Butterfly Grove at Pismo State Beach and Natural Bridges State Beach in Santa Cruz. You also may find places closer to Southern California to see butterflies too.

Do Monarch butterflies return to their birthplace?

Successful migrating monarchs will live between 6 to 9 months and reproduce and die in the southern U.S. in the spring. Their offspring then carry on their migration north. Therefore, individual monarchs do not make it back to their original starting place.

Where is the best place to plant milkweed?

  • Common Milkweed grows well in average garden soil.
  • Swamp Milkweed, as its name implies, will do best in a moist environment, making it great for wet meadows or rain gardens.
  • Tropical Milkweed performs beautifully in hot, humid conditions, and can be grown as an annual in the north.
Should I cut back my milkweed?

It is recommended to prune the milkweed stalks to about 6 inches in height during the fall and winter months to discourage monarchs from establishing winter-breeding colonies. Cutting back the milkweed will also help to eliminate OE spores that may be present on the plant.

When should I buy milkweed plants?

Milkweed seeds are available for purchase year round, but you’ll find more plants for sale during the spring and summer months. If your state is in a milkweed species’ native region, conditions are typically favorable for growing healthy plants.

Where do you plant hairy ball milkweed?

  • Common Name: Hairy Balls, Balloon Plant, Giant Swan Milkweed.
  • Latin Name: Gomphocarpus physocarpus.
  • Bloom time: June hrough August.
  • Sun: Full sun to part shade.
  • Water: Drought tolerant.
  • Height: 3-8 feet.
  • Spread: 3-4 feet.
  • Native: No.
Is Gomphocarpus Physocarpus invasive?

physocarpus is listed as invasive in Hawaii, French Polynesia, the Canary Islands, New Caledonia, China and Australia and as potentially invasive in Cuba, Jamaica, India and Italy (Oviedo Prieto et al., 2012; DAISIE, 2014; PIER, 2014; USDA-ARS, 2014).