North America Native Plant

Arizona Passionflower

Botanical name: Passiflora arizonica

USDA symbol: PAAR

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Passiflora foetida L. var. arizonica Killip (PAFOA)   

Arizona Passionflower: A Hidden Gem for Desert Gardens If you’re looking to add a touch of delicate beauty to your southwestern garden while supporting local wildlife, meet the Arizona passionflower (Passiflora arizonica). This charming native plant might not be as flashy as its tropical cousins, but it’s perfectly adapted to ...

Arizona Passionflower: A Hidden Gem for Desert Gardens

If you’re looking to add a touch of delicate beauty to your southwestern garden while supporting local wildlife, meet the Arizona passionflower (Passiflora arizonica). This charming native plant might not be as flashy as its tropical cousins, but it’s perfectly adapted to desert life and offers unique rewards for patient gardeners.

What Makes Arizona Passionflower Special?

The Arizona passionflower is a true southwestern native, naturally occurring throughout Arizona and extending into parts of New Mexico. As a perennial forb herb, this plant lacks woody stems but returns year after year, making it a reliable addition to your landscape. Unlike many passionflower species that climb aggressively, this desert dweller stays more manageable and ground-hugging.

You might also see this plant listed under its scientific synonym, Passiflora foetida var. arizonica, but don’t let that confuse you—it’s the same wonderful native species.

Garden Appeal and Landscape Role

While Arizona passionflower won’t overwhelm you with size or bold colors, its charm lies in subtlety. The small, intricate white to pale yellow flowers showcase the classic passionflower structure that’s fascinating up close. The delicate foliage creates an airy texture that works beautifully as a ground cover or filler plant in naturalistic designs.

This plant shines in:

  • Desert and xeriscape gardens
  • Native plant landscapes
  • Butterfly and pollinator gardens
  • Rock gardens
  • Natural areas needing stabilization

Why Your Local Wildlife Will Thank You

Here’s where Arizona passionflower really earns its keep. This native plant is a magnet for pollinators, attracting butterflies, native bees, and other beneficial insects. By choosing native plants like this one, you’re providing food sources that local wildlife has co-evolved with over thousands of years. It’s like setting up a perfectly stocked pantry for your garden’s helpful creatures.

Growing Conditions and Care

One of the best things about Arizona passionflower is how well it handles desert conditions. This plant is perfectly suited for USDA hardiness zones 8-10, making it ideal for much of the southwestern United States.

Soil Requirements: Well-draining soil is absolutely essential. This desert native won’t tolerate waterlogged conditions, so if you have heavy clay soil, consider amending it with sand or gravel, or plant in raised beds.

Light Needs: Full sun to partial shade works well, though it seems to bloom more prolifically with at least six hours of direct sunlight daily.

Water Wisdom: Here’s where Arizona passionflower really shows its desert credentials. Once established, it’s quite drought tolerant. During its first year, provide regular water to help it establish a strong root system, then gradually reduce watering. The plant has a facultative wetland status, meaning it can handle both wet and dry conditions, but definitely leans toward the drier side.

Planting and Care Tips

When to Plant: Spring is your best bet for planting, giving the roots time to establish before facing their first winter.

Spacing: Since growth habits can vary, start with 18-24 inches between plants and adjust based on how yours develops.

Seasonal Behavior: Don’t panic if your Arizona passionflower seems to disappear during the hottest part of summer or coldest winter months. Like many desert natives, it may go dormant during extreme conditions, only to bounce back when temperatures moderate.

Maintenance: This is delightfully low-maintenance once established. You might want to trim back any dead growth in late winter or early spring, but otherwise, let it do its thing.

Is Arizona Passionflower Right for Your Garden?

This native beauty is perfect for gardeners who:

  • Want to support local ecosystems
  • Appreciate subtle, delicate flowers over bold displays
  • Need drought-tolerant plants
  • Are creating wildlife habitat
  • Live in the southwestern United States

However, you might want to look elsewhere if you’re seeking:

  • Fast-growing coverage
  • Showy, large flowers
  • Plants for very humid climates
  • High-impact specimen plants

The Arizona passionflower may not be the star of your garden, but it’s definitely a reliable supporting cast member that brings ecological value and quiet beauty to southwestern landscapes. Plus, there’s something deeply satisfying about growing a plant that’s been thriving in your region since long before any of us arrived on the scene.

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 work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags 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. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Arizona Passionflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Passifloraceae Juss. ex Roussel - Passion-flower family

Genus

Passiflora L. - passionflower

Species

Passiflora arizonica (Killip) D.H. Goldman - Arizona passionflower

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