Non-native Plants

Bloodflower

Asclepias curassavica

USDA symbol: ASCU

perennial subshrub

Hawaii: non-native, naturalized
Lower 48 states: non-native, naturalized
Pacific Basin excluding Hawaii: non-native, naturalized
Puerto Rico: non-native, naturalized
U.S. Virgin Islands: non-native, naturalized

If you’re looking to create a butterfly magnet in your garden, bloodflower (Asclepias curassavica) might catch your eye with its stunning orange and red blooms. This eye-catching milkweed has become a popular choice for gardeners who want to support pollinators, particularly monarch butterflies. But before you add this beauty to ...

Bloodflower: A Vibrant Milkweed That Brings Butterflies to Your Garden

If you’re looking to create a butterfly magnet in your garden, bloodflower (Asclepias curassavica) might catch your eye with its stunning orange and red blooms. This eye-catching milkweed has become a popular choice for gardeners who want to support pollinators, particularly monarch butterflies. But before you add this beauty to your landscape, let’s explore what makes this plant special and whether it’s the right fit for your garden.

What Makes Bloodflower Special?

Bloodflower is a compact perennial that typically stays under 1.5 feet tall, making it perfect for borders, containers, or as an accent plant. Its vibrant orange petals with bright red centers and yellow accents create a tropical look that blooms almost year-round in warm climates. The flowers cluster at the top of sturdy stems, creating a crown-like display that’s simply irresistible to butterflies and hummingbirds.

Native Status and Distribution

Here’s something important to know: bloodflower isn’t native to the United States. Originally from South America, Central America, and parts of the Caribbean, this milkweed has naturalized in several U.S. states including California, Florida, Hawaii, Louisiana, Tennessee, and Texas, as well as in Puerto Rico, the U.S. Virgin Islands, and Pacific territories.

  • Species observed
  • No observations

While it’s established itself successfully in these warm regions, reproducing on its own in the wild, it’s worth considering native milkweed alternatives that provide similar benefits while supporting local ecosystems.

Garden Design and Landscape Role

Bloodflower shines in several garden settings:

  • Butterfly and pollinator gardens as a centerpiece attraction
  • Container gardens on patios and decks
  • Border plantings for continuous color
  • Tropical-themed landscapes
  • Xeriscaped gardens due to its drought tolerance

Its compact size makes it ideal for smaller spaces, and unlike some of its taller milkweed cousins, it won’t overwhelm other plants in mixed plantings.

Pollinator and Wildlife Benefits

The real star power of bloodflower lies in its ability to attract wildlife. Monarch butterflies use it as both a nectar source and a host plant for their caterpillars. You’ll also see other butterfly species, bees, and hummingbirds visiting the flowers regularly. The continuous blooming habit means there’s always something for pollinators to enjoy.

Growing Conditions and Care

Good news for gardeners – bloodflower is remarkably easy to grow! Here’s what it needs to thrive:

Ideal Conditions

  • Sunlight: Full sun (6+ hours daily)
  • Soil: Well-draining soil of almost any type
  • Water: Drought tolerant once established, but benefits from regular watering
  • Climate: USDA zones 9-11; grown as annual in cooler areas

Wetland Adaptability

Bloodflower is quite flexible when it comes to moisture conditions. Depending on your region, it can handle both wetland and non-wetland conditions, though in Hawaii it typically prefers drier, upland sites. This adaptability makes it suitable for various garden situations.

Planting and Care Tips

Starting bloodflower is straightforward:

  • Plant seeds directly in the garden after the last frost
  • Space plants 12-18 inches apart
  • Water regularly until established, then reduce frequency
  • Deadhead spent flowers to encourage more blooms
  • In frost-prone areas, treat as an annual or bring containers indoors
  • Be prepared for self-seeding – this plant can spread on its own

A Word About Native Alternatives

While bloodflower is a beautiful and beneficial plant, consider exploring native milkweed species in your area first. Native plants like swamp milkweed (Asclepias speciosa), butterfly weed (Asclepias tuberosa), or common milkweed (Asclepias syriaca) offer similar monarch butterfly benefits while supporting your local ecosystem more completely.

The Bottom Line

Bloodflower can be a wonderful addition to pollinator-friendly gardens, especially in warm climates where it thrives year-round. Its compact size, continuous blooms, and butterfly-attracting power make it a solid choice for gardeners who want reliable color and wildlife activity. Just remember to plant responsibly and consider native alternatives that might serve your local ecosystem even better. Whether you choose bloodflower or a native cousin, you’ll be doing monarchs and other pollinators a tremendous favor!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Arid West (AZ, CA, CO, ID, MT, NV, NM, OR, TX, UT, WA, WY)

Facultative

Atlantic and Gulf Coastal Plain (AL, AR, DC, DE, FL, GA, IL, KY, LA, MD, MS, MO, NC, NJ, OK, PA, SC, TN, TX, VA)

Facultative

Caribbean (PR, VI)

Facultative Upland

Eastern Mountains and Piedmont (AL, AR, DC, DE, GA, IL, IN, KS, KY, MD, MO, NC, NJ, NY, OH, OK, PA, SC, TN, VA, WV)

Facultative

Great Plains (CO, KS, MN, MT, NE, NM, ND, OK, SD, TX, WY)

Facultative

Hawaii ()

Obligate Upland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Gentianales
Family: Asclepiadaceae Borkh. - Milkweed family
Genus: Asclepias L. - milkweed

Species: Asclepias curassavica L. - bloodflower

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA