North America Native Plant

Pickering’s Dawnflower

Botanical name: Stylisma pickeringii var. pickeringii

USDA symbol: STPIP3

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Bonamia pickeringii (Torr. ex M.A. Curtis) A. Gray (BOPI2)  âš˜  Breweria pickeringii (Torr. ex M.A. Curtis) A. Gray (BRPI5)  âš˜  Breweria pickeringii (Torr. ex M.A. Curtis) A. Gray var. caesariensis Fernald & B.G. Schub. (BRPIC)   

Pickering’s Dawnflower: A Rare Native Gem for Sandy Gardens If you’re passionate about native plants and have sandy soil that seems to stump other garden favorites, let me introduce you to a botanical treasure that might just be the perfect fit: Pickering’s dawnflower (Stylisma pickeringii var. pickeringii). This delicate native ...

Rare plant alert!

Region: New Jersey

Status: S4T3: Subspecies or variety is 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 ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ New Jersey Highlands region ⚘ New Jersey Pinelands region ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: New Jersey

Region: New Jersey

Pickering’s Dawnflower: A Rare Native Gem for Sandy Gardens

If you’re passionate about native plants and have sandy soil that seems to stump other garden favorites, let me introduce you to a botanical treasure that might just be the perfect fit: Pickering’s dawnflower (Stylisma pickeringii var. pickeringii). This delicate native perennial brings morning glory charm to specialized garden spaces while supporting local ecosystems.

Meet This Native Beauty

Pickering’s dawnflower is a low-growing perennial herb that spreads along the ground, creating a delicate carpet of small, white to pale pink flowers that resemble tiny morning glories. As a native species of the southeastern United States, this charming plant has been quietly thriving in sandy habitats for centuries, though it’s become increasingly rare in the wild.

You might also encounter this plant listed under its historical names, including Bonamia pickeringii or Breweria pickeringii, but don’t let the scientific synonyms intimidate you – it’s still the same lovely native species.

Where Does It Call Home?

This southeastern native naturally occurs across six states: Alabama, Georgia, Mississippi, New Jersey, North Carolina, and South Carolina. It’s particularly fond of pine barrens, coastal plains, and other sandy habitats where many garden plants struggle to establish.

A Word of Caution: This Plant Needs Our Protection

Before you rush to add Pickering’s dawnflower to your garden, there’s something important to know: this beautiful native is increasingly rare. It’s listed as endangered in New Jersey and considered critically imperiled in Alabama. If you’re drawn to growing this special plant, please ensure you source it only from reputable native plant nurseries that propagate from legally and ethically obtained seeds or cuttings – never collect from wild populations.

Garden Appeal and Design Role

While Pickering’s dawnflower may not provide the bold drama of showier perennials, its quiet beauty makes it perfect for:

  • Native plant gardens focusing on southeastern species
  • Pine barren or sandy soil restoration projects
  • Groundcover in areas where traditional plants struggle
  • Educational gardens highlighting rare native species

Its low, spreading growth habit makes it an excellent choice for filling gaps between other native plants or creating a naturalistic groundcover in specialized habitats.

Growing Conditions and Care

If you’re blessed with sandy, well-draining soil, you might be one of the few gardeners who can successfully grow this finicky native. Pickering’s dawnflower thrives in:

  • Sandy, acidic soils (it actually prefers poor soil!)
  • Full sun to partial shade
  • USDA hardiness zones 6-9
  • Areas with good drainage – it won’t tolerate wet feet

Once established, this drought-tolerant native requires minimal care. In fact, trying to pamper it with rich soil or frequent watering might actually harm it, as it’s adapted to lean, sandy conditions.

Supporting Pollinators

Despite its delicate appearance, Pickering’s dawnflower pulls its weight in supporting local wildlife. Its small flowers attract native bees and butterflies, providing nectar resources that many specialized southeastern species depend upon. By growing this plant, you’re not just adding beauty to your garden – you’re supporting the intricate web of native pollinators that our ecosystems need.

The Bottom Line

Pickering’s dawnflower isn’t for every garden or every gardener, but for those with the right conditions and a passion for rare native plants, it offers something truly special. Its conservation status means growing it responsibly is both a privilege and a responsibility. If you have sandy soil and want to try something unique that supports local ecosystems, this rare native might just steal your heart – but remember, only with plants from ethical sources.

Consider this charming native if you’re creating a specialized southeastern native garden, restoring pine barren habitat, or simply want to grow something that few other gardeners can claim to have. Just remember: with great rarity comes great responsibility to source and grow it thoughtfully.

Pickering’s Dawnflower

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

Convolvulaceae Juss. - Morning-glory family

Genus

Stylisma Raf. - dawnflower

Species

Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray - Pickering's dawnflower

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