Pardon our appearance while we build a complete North American native plant finder that makes learning about and sourcing native plants easy. Get email updates.

North America Non-native Plant

Sand Leek

Sand Leek: A Little-Known Perennial Worth Understanding If you’ve stumbled across the name sand leek (Allium scorodoprasum rotundum) in your gardening research, you might be wondering what exactly this plant is and whether it belongs in your garden. Well, you’re not alone in your curiosity – this particular member of ...

Sand Leek: A Little-Known Perennial Worth Understanding

If you’ve stumbled across the name sand leek (Allium scorodoprasum rotundum) in your gardening research, you might be wondering what exactly this plant is and whether it belongs in your garden. Well, you’re not alone in your curiosity – this particular member of the onion family is quite the botanical puzzle!

What is Sand Leek?

Sand leek is a perennial forb, which simply means it’s a non-woody herbaceous plant that comes back year after year. Like other members of the Allium genus, it’s related to onions, garlic, and chives. You might also see it listed under the synonym Allium rotundum L. in some botanical references.

As a forb, this plant lacks the significant woody tissue that you’d find in shrubs or trees. Instead, it survives winter through underground structures and sends up fresh growth each growing season – a pretty neat survival strategy if you ask me!

Where Does It Grow?

Here’s where things get interesting (and a bit limited): sand leek has been documented growing in Michigan. However, it’s important to note that this species is not native to North America – it’s an introduced plant that has established itself and reproduces without human assistance.

Should You Grow Sand Leek in Your Garden?

This is where I need to be completely honest with you. While sand leek isn’t currently listed as invasive or noxious, there’s still a lot we don’t know about this particular plant. Since it’s a non-native species that can reproduce and persist on its own, there’s always the potential for unexpected ecological impacts.

If you’re considering adding sand leek to your garden, here are a few things to think about:

  • Limited information is available about its specific growing requirements and garden performance
  • As a non-native species, it won’t provide the same ecological benefits as native plants
  • Its long-term behavior in garden settings isn’t well documented

Native Alternatives to Consider

Instead of sand leek, why not consider some fantastic native Allium species that will support local pollinators and wildlife? Depending on your region, you might explore:

  • Wild garlic (Allium canadense) – a lovely native with delicate flowers
  • Nodding onion (Allium cernuum) – gorgeous drooping flower clusters
  • Wild onion (Allium drummondii) – prairie-adapted and drought tolerant

The Bottom Line

Sand leek remains something of a mystery in the gardening world. While it’s not flagged as problematic, the limited information available makes it difficult to recommend with confidence. If you’re drawn to Allium species for your garden, you’ll likely find much more success (and ecological benefit) with well-documented native alternatives that are perfectly adapted to your local conditions.

Remember, every garden is an opportunity to support local ecosystems – and native plants are your best bet for creating a truly thriving, wildlife-friendly landscape!

Sand Leek

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Allium L. - onion

Species

Allium scorodoprasum L. - sand leek

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