North America Native Plant

Arizona Phacelia

Botanical name: Phacelia arizonica

USDA symbol: PHAR13

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Phacelia popei Torr. & A. Gray var. arizonica (A. Gray) J. Voss (PHPOA2)   

Arizona Phacelia: A Desert Gem for Your Native Garden Meet Arizona phacelia (Phacelia arizonica), a charming native wildflower that’s perfectly adapted to life in the American Southwest. This delicate-looking perennial might seem unassuming at first glance, but it packs a powerful punch when it comes to supporting local ecosystems and ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Arizona Phacelia: A Desert Gem for Your Native Garden

Meet Arizona phacelia (Phacelia arizonica), a charming native wildflower that’s perfectly adapted to life in the American Southwest. This delicate-looking perennial might seem unassuming at first glance, but it packs a powerful punch when it comes to supporting local ecosystems and adding subtle beauty to desert landscapes.

What Makes Arizona Phacelia Special?

Arizona phacelia is a true southwestern native, naturally occurring in Arizona and New Mexico. As a member of the borage family, it produces those characteristic coiled flower clusters that unfurl like tiny spiral staircases, revealing small bell-shaped blooms in shades of blue to purple. The plant’s soft, hairy leaves and stems give it a gentle, almost fuzzy appearance that contrasts beautifully with the harsh desert environment it calls home.

This perennial forb (that’s botanist-speak for a non-woody flowering plant) typically grows as a low, spreading plant that fits perfectly into the understory of desert plant communities.

Why Your Garden Needs Arizona Phacelia

If you’re creating a native garden or xeriscape landscape in the Southwest, Arizona phacelia deserves serious consideration. Here’s why:

  • Pollinator magnet: Those delicate flowers are absolute bee and butterfly favorites, providing crucial nectar for native pollinators
  • Water-wise: Once established, this drought-tolerant beauty requires minimal supplemental watering
  • Low maintenance: Perfect for gardeners who want native beauty without constant fussing
  • Authentic desert character: Adds genuine southwestern charm to naturalized areas and wildflower gardens
  • Conservation value: Growing this species helps support native plant diversity

Growing Arizona Phacelia Successfully

The good news is that Arizona phacelia wants to succeed in your garden – you just need to mimic its natural desert home.

Location and Soil

Plant your Arizona phacelia in full sun to partial shade in well-draining soil. Sandy or rocky soils are ideal, as this plant absolutely cannot tolerate wet feet. If your soil tends to hold water, consider creating a raised bed or adding plenty of coarse sand and gravel to improve drainage.

Planting and Establishment

Arizona phacelia is typically grown from seed, which should be sown in fall or early spring. The seeds need good soil contact but shouldn’t be buried deeply – just barely cover them with soil. Keep the seeded area lightly moist until germination occurs.

Watering and Care

During the first growing season, provide occasional deep watering to help establish the root system. Once established, this hardy perennial becomes quite drought-tolerant and should only need supplemental water during extended dry periods. Overwatering is more likely to harm the plant than underwatering.

Climate Considerations

Arizona phacelia thrives in USDA hardiness zones 7-10, making it suitable for most areas where winter temperatures don’t regularly drop below 0°F to 10°F.

A Word About Conservation

Arizona phacelia has a conservation status that suggests it may be vulnerable in parts of its range. If you decide to grow this lovely native, please source your seeds or plants from reputable native plant nurseries that use responsibly collected material. By growing Arizona phacelia in your garden, you’re actually helping to preserve this species and supporting the broader ecosystem it’s part of.

Perfect Plant Partnerships

Arizona phacelia plays well with other southwestern natives. Consider pairing it with desert marigold, fairy duster, or penstemon species for a colorful, low-water native garden that will have pollinators buzzing with excitement.

Whether you’re a seasoned desert gardener or just beginning to explore native plants, Arizona phacelia offers an authentic piece of southwestern natural heritage that’s both beautiful and beneficial. Give this modest but mighty wildflower a spot in your garden, and you’ll be rewarded with delicate blooms and the satisfaction of supporting native biodiversity.

Arizona Phacelia

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

Solanales

Family

Hydrophyllaceae R. Br. - Waterleaf family

Genus

Phacelia Juss. - phacelia

Species

Phacelia arizonica A. Gray - Arizona phacelia

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