North America Native Plant

Viper Beggarticks

Botanical name: Bidens campylotheca campylotheca

USDA symbol: BICAC

Life cycle: perennial

Habit: subshrub

Native status: Native to Hawaii  

Synonyms: Bidens ×magnidisca O. Deg. & Sherff (BIMA2)   

Viper Beggarticks: A Rare Hawaiian Native Worth Protecting Meet the viper beggarticks (Bidens campylotheca campylotheca), a charming little Hawaiian native that’s flying under the radar of most gardeners. This petite perennial shrub might not be the showiest plant in the garden, but it packs a punch when it comes to ...

Rare plant alert!

Region: Conservation status by state

Status: S2T2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Viper Beggarticks: A Rare Hawaiian Native Worth Protecting

Meet the viper beggarticks (Bidens campylotheca campylotheca), a charming little Hawaiian native that’s flying under the radar of most gardeners. This petite perennial shrub might not be the showiest plant in the garden, but it packs a punch when it comes to conservation value and authentic Hawaiian landscaping.

What Makes Viper Beggarticks Special?

This low-growing native is endemic to Hawaii, meaning you won’t find it growing wild anywhere else on Earth. Standing at a modest height of just 1.5 feet (and never exceeding 3 feet), viper beggarticks forms a compact, manageable presence in the landscape. Its small yellow daisy-like flowers are typical of the Bidens family, offering a cheerful splash of color that fits perfectly into Hawaii’s natural palette.

Where Does It Grow?

Viper beggarticks calls Hawaii home and only Hawaii. This endemic species has adapted specifically to the unique conditions found across the Hawaiian islands, making it a true representation of the archipelago’s distinctive flora.

A Word of Caution: Rarity Matters

Here’s where things get serious. Viper beggarticks carries a Global Conservation Status of S2T2, which indicates this species is quite rare and potentially vulnerable. If you’re considering adding this plant to your garden, please ensure you’re sourcing it responsibly from reputable native plant nurseries or conservation programs. Never collect from wild populations – every individual plant in the wild is precious for the species’ survival.

Growing Viper Beggarticks Successfully

If you’re lucky enough to live in USDA hardiness zones 10-11 and can source this plant ethically, here’s how to give it the best care:

Ideal Growing Conditions

  • Full sun to partial shade
  • Well-draining soil (essential to prevent root rot)
  • Drought-tolerant once established
  • Coastal conditions tolerated well

Planting and Care Tips

  • Plant during Hawaii’s milder months for best establishment
  • Water regularly during the first growing season to establish roots
  • Once established, supplemental watering only during extended dry periods
  • Minimal fertilization needed – these plants are adapted to Hawaii’s naturally nutrient-poor volcanic soils
  • Light pruning after flowering to maintain shape

Garden Design and Landscape Role

Viper beggarticks shines in authentic Hawaiian native gardens and xeriscaping projects. Its compact size makes it perfect for:

  • Groundcover in native plant gardens
  • Low borders along pathways
  • Rock gardens and coastal landscapes
  • Conservation gardens focused on Hawaiian endemics

Supporting Hawaiian Wildlife

As a native Hawaiian plant, viper beggarticks has co-evolved with local wildlife and provides important resources for native Hawaiian insects and pollinators. By growing this species, you’re supporting the intricate web of relationships that make Hawaiian ecosystems unique.

The Bottom Line

Should you plant viper beggarticks? If you live in the right climate and can source it responsibly, absolutely! This rare native deserves a place in conservation-minded gardens. Just remember that with rarity comes responsibility – treat this plant as the conservation treasure it is.

For most mainland gardeners, viper beggarticks won’t be an option due to climate constraints. But for Hawaiian residents and others in tropical zones, this little shrub offers a chance to participate in preserving Hawaii’s unique botanical heritage while adding an authentic native touch to your landscape.

Viper Beggarticks

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Bidens L. - beggarticks

Species

Bidens campylotheca Sch. Bip. - viper beggarticks

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