North America Non-native Plant

Iranian Stork’s Bill

Botanical name: Erodium gruinum

USDA symbol: ERGR15

Life cycle: annual

Habit: forb

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

Iranian Stork’s Bill: A Quirky Mediterranean Annual for Your Garden Meet Iranian stork’s bill (Erodium gruinum), a charming little annual that brings Mediterranean flair to American gardens. This delicate forb might not be a household name, but its whimsical appearance and easy-going nature make it worth getting to know. What ...

Iranian Stork’s Bill: A Quirky Mediterranean Annual for Your Garden

Meet Iranian stork’s bill (Erodium gruinum), a charming little annual that brings Mediterranean flair to American gardens. This delicate forb might not be a household name, but its whimsical appearance and easy-going nature make it worth getting to know.

What Makes Iranian Stork’s Bill Special?

Iranian stork’s bill is a non-native annual to biennial forb that has found its way into parts of the United States, particularly New York. As its name suggests, this plant hails from the Mediterranean region, especially Iran and surrounding areas. It’s part of the geranium family and shares that characteristic of being both beautiful and somewhat unpredictable in the garden.

The plant gets its amusing common name from its distinctive seed pods, which develop long, pointed beaks that really do look like a stork’s bill. When the seeds are ready, these beaks actually twist and drill the seeds into the ground – nature’s own little planting mechanism!

Garden Appeal and Appearance

Don’t expect this to be a showstopper, but Iranian stork’s bill has its own subtle charm. The plant produces small pink to purple flowers that dance above deeply divided, feathery leaves. It’s the kind of plant that rewards close inspection – the more you look, the more interesting details you’ll discover.

As a forb (essentially an herbaceous flowering plant), it stays relatively low to the ground and lacks any woody stems. This makes it perfect for tucking into rock gardens or letting naturalize in wild areas of your landscape.

Where Does It Fit in Your Garden?

Iranian stork’s bill works best in:

  • Rock gardens where its delicate texture contrasts nicely with stones
  • Mediterranean-style gardens alongside lavender and rosemary
  • Wild or naturalized areas where it can self-seed
  • As a ground cover in sunny, well-drained spots

Growing Conditions and Care

This is where Iranian stork’s bill really shines – it’s remarkably easy to please. The plant thrives in USDA hardiness zones 7-10 and prefers:

  • Full sun exposure
  • Well-drained soil (it’s quite drought tolerant once established)
  • Minimal fertilization or rich soil amendments

Once planted, Iranian stork’s bill pretty much takes care of itself. It will self-seed readily, so you might find new plants popping up in unexpected places – which can be either delightful or slightly annoying, depending on your gardening style.

Planting and Care Tips

Getting started with Iranian stork’s bill is straightforward:

  • Direct sow seeds in spring or fall
  • Barely cover the seeds with soil – they need light to germinate
  • Water gently until established, then let nature take over
  • Deadhead flowers if you want to prevent self-seeding

Wildlife and Pollinator Benefits

While not a native species, Iranian stork’s bill does provide some benefits to local wildlife. Small bees and other beneficial insects appreciate the modest flowers, and the seeds can provide food for birds, though it’s not a primary food source.

A Word of Caution and Native Alternatives

Since Iranian stork’s bill is non-native and has shown the ability to reproduce and persist without human intervention, it’s worth monitoring its spread in your garden. While it’s not currently listed as invasive, it’s always good garden practice to prevent non-native plants from escaping into natural areas.

If you love the idea of a low-maintenance, self-seeding annual but prefer native options, consider wild bergamot (Monarda fistulosa) or native clovers, which provide similar ease of care with greater benefits to local ecosystems.

The Bottom Line

Iranian stork’s bill is a quirky, low-maintenance addition that works well in the right setting. It’s not going to win any Plant of the Year awards, but for gardeners who appreciate subtle beauty and minimal-fuss plants, it might just earn a spot in your heart – and your rock garden. Just keep an eye on where it wanders, and you’ll have a charming Mediterranean visitor that asks for very little while giving just enough.

Iranian Stork’s Bill

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

Geraniales

Family

Geraniaceae Juss. - Geranium family

Genus

Erodium L'Hér. ex Aiton - stork's bill

Species

Erodium gruinum (L.) L'Hér. ex Aiton - Iranian stork's bill

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