North America Non-native Plant

Common Bird’s-foot

Botanical name: Ornithopus sativus isthmocarpus

USDA symbol: ORSAI

Life cycle: annual

Habit: forb

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

Synonyms: Ornithopus isthmocarpus Coss. (ORIS80)  âš˜  Ornithopus roseus Dufour (ORRO2)  âš˜  Ornithopus sativus Brot. ssp. roseus (Dufour) Alsina (ORSAR)   

Common Bird’s-Foot: A Mediterranean Annual for California Gardens If you’re looking for a delicate annual flower to add some Mediterranean charm to your California garden, common bird’s-foot (Ornithopus sativus isthmocarpus) might catch your eye. This small, unassuming plant brings a touch of old-world character to landscapes, though it’s worth understanding ...

Common Bird’s-Foot: A Mediterranean Annual for California Gardens

If you’re looking for a delicate annual flower to add some Mediterranean charm to your California garden, common bird’s-foot (Ornithopus sativus isthmocarpus) might catch your eye. This small, unassuming plant brings a touch of old-world character to landscapes, though it’s worth understanding what you’re getting into before you plant it.

What Is Common Bird’s-Foot?

Common bird’s-foot is an annual forb – essentially a soft-stemmed flowering plant that completes its life cycle in one year. Unlike woody shrubs or trees, this plant stays herbaceous throughout its life, with delicate stems and leaves that die back completely each winter. It’s also known by several botanical synonyms, including Ornithopus isthmocarpus and Ornithopus roseus, which can make plant identification a bit tricky for gardeners.

Native Status and Distribution

Here’s something important to know upfront: common bird’s-foot isn’t actually native to North America. This Mediterranean transplant has naturalized in California, where it now reproduces on its own without human help. While it’s established itself in the Golden State’s landscape, it’s still considered a non-native species.

Currently, California appears to be the primary state where this plant has taken hold in the United States, thriving in the similar Mediterranean climate conditions it evolved with.

Should You Plant Common Bird’s-Foot?

This is where things get interesting. While common bird’s-foot isn’t listed as invasive or noxious (at least not that we know of), its non-native status means you might want to think twice before adding it to your garden. Here are some considerations:

Reasons you might like it: It’s a charming little annual that can fill in gaps in Mediterranean-style gardens and likely attracts small pollinators with its tiny flowers.

Reasons to pause: As a non-native species, it doesn’t provide the same ecological benefits as plants that co-evolved with local wildlife. California has plenty of beautiful native alternatives that would better support local ecosystems.

Native Alternatives to Consider

Instead of common bird’s-foot, consider these California native options that offer similar charm:

  • California lotus (Acmispon glaber) – A native legume with bright yellow flowers
  • Deerweed (Acmispon micranthus) – Another native pea family member
  • Various native lupines – Beautiful flowering annuals and perennials

If You Do Choose to Grow It

Should you decide to grow common bird’s-foot despite its non-native status, here’s what you should know about its care requirements:

Growing Conditions: Like most Mediterranean plants, common bird’s-foot likely prefers well-draining soil and full sun exposure. It’s probably adapted to California’s dry summers and mild, wet winters.

Climate Zones: Given its current distribution in California, it’s most likely suited for USDA zones 9-11, though this may vary based on your specific microclimate.

Maintenance: As an annual, you can expect it to complete its growing cycle within one year. It may self-seed in favorable conditions, which is how it has naturalized in California.

The Bottom Line

Common bird’s-foot is one of those plants that sits in a gray area – not aggressively invasive, but not native either. While it may have its place in certain Mediterranean-themed gardens, most California gardeners would be better served by choosing native alternatives that provide greater ecological value. If you’re set on growing non-native species, just be mindful of their potential impact and consider balancing them with plenty of native plants that support local wildlife.

Remember, every garden is an opportunity to support local ecosystems, and native plants are almost always the best choice for both wildlife and long-term garden success.

Common Bird’s-foot

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Ornithopus L. - bird's-foot

Species

Ornithopus sativus Brot. - common bird's-foot

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