North America Non-native Plant

Perezia

Botanical name: Perezia multiflora sonchifolia

USDA symbol: PEMUS2

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Perezia sonchifolia Baker (PESO3)   

Perezia: A Mysterious Annual Forb Worth Understanding If you’ve stumbled across the name perezia (Perezia multiflora sonchifolia) in your plant research, you’re looking at quite the botanical puzzle. This annual forb presents an interesting case study in how much we still don’t know about some of the plants that have ...

Perezia: A Mysterious Annual Forb Worth Understanding

If you’ve stumbled across the name perezia (Perezia multiflora sonchifolia) in your plant research, you’re looking at quite the botanical puzzle. This annual forb presents an interesting case study in how much we still don’t know about some of the plants that have found their way into North American landscapes.

What Exactly Is Perezia?

Perezia multiflora sonchifolia is classified as an annual forb, which simply means it’s a soft-stemmed flowering plant that completes its entire life cycle in one growing season. Unlike woody shrubs or trees, forbs like perezia lack significant woody tissue and instead put their energy into flowers, seeds, and seasonal growth.

This particular species also goes by the synonym Perezia sonchifolia Baker, though you’re unlikely to find it under either name at your local nursery – and there’s a good reason for that.

Where Does Perezia Come From?

Here’s where things get interesting (and a bit concerning). Perezia multiflora sonchifolia is classified as a non-native species that has been introduced to North America and now reproduces on its own in the wild. Currently, it’s documented only in Massachusetts, making it quite geographically limited compared to many other introduced plants.

The Information Gap Problem

If you’re hoping to learn about perezia’s growing requirements, aesthetic qualities, or garden potential, you’re going to hit the same wall that many botanists and gardeners encounter: there’s remarkably little reliable information available about this plant. We don’t know:

  • Its preferred growing conditions
  • Whether it benefits pollinators or wildlife
  • Its mature size or growth rate
  • Its invasive potential
  • Proper care and cultivation methods

Should You Plant Perezia?

Given the lack of available information and its non-native status, most gardeners would be wise to skip perezia in favor of better-documented alternatives. When we don’t know a plant’s invasive potential, ecological impact, or growing requirements, we’re essentially conducting an uncontrolled experiment in our landscapes.

This is especially true since perezia has already shown it can establish and reproduce without human intervention – a trait that could potentially become problematic if conditions favor its spread.

Better Alternatives for Your Garden

Instead of gambling on perezia, consider these well-documented native annual forbs that offer known benefits:

  • Native sunflowers (Helianthus species) for pollinator support
  • Wild bergamot (Monarda species) for fragrance and bee appeal
  • Native asters for late-season color and wildlife value
  • Black-eyed Susan (Rudbeckia species) for reliable blooms

The Takeaway

Perezia multiflora sonchifolia serves as a reminder that not every plant that shows up in botanical databases belongs in our gardens. Sometimes the most responsible choice is to stick with native species that we understand well – plants with documented benefits, known growing requirements, and established roles in local ecosystems.

If you’re passionate about rare or unusual plants, focus your energy on native species that truly need conservation support. Your garden will be more successful, and your local ecosystem will thank you for it.

Perezia

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

Perezia Lagasca - perezia

Species

Perezia multiflora (Humb. & Bonpl.) Less. - perezia

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