Invasive Plant

Purple Deadnettle

Lamium purpureum

About This Species

Purple deadnettle is native to Europe and a common weed throughout BC. It survives as an annual or biennial. A single plant can produce thousands of seeds which remain viable in the soil for several years. It can also spread via stem and root fragments. Purple deadnettle thrives in a range of soil types from dry to moist and is frequently observed in lawns, waste areas, and gardens

How to Identify

Purple deadnettle is identified by its square stems, hairy foliage (deep purple/plum top leaves, fading to green towards the base of the stem) and pink flowers from March-May that bloom in the crease where the leaves meet the stem (these are called axillary flowers). Leaves on the top of the plant are smaller than those on the bottom and range from oval to heart shaped. From afar, Purple deadnettle forms a dusty purple “carpet” effect.

Credit: J Hallworth

Report an Invasive Species

Use the app

Help us track and defeat invasive species.

Report through this website

Use our form to tell us what you’re seeing and where.

CONTACT INFORMATION

SPECIES INFORMATION

Click or drag files to this area to upload. You can upload up to 3 files.
Please include photos of the suspected species to help potential identification by experts.
Please be specific and give us an address if possible.
//

Take Action

Prevention is the best approach.

Play Clean Go

PlayCleanGo

Learn about best practices

Plantwise

Plantwise

Learn about best practices

Prevent the spread of this plant – never purchase or plant this species. If you have an infestation, focus efforts on continued mowing/cutting of the plant just prior to flowering to reduce seeding.

A few non-invasive alternatives to plant instead of Purple Deadnettle include:

  • Kinnickinnick (Arctostaphylos uva-ursi)
  • Wild Ginger (Asarum caudatum)
  • False Lily-of-the-valley (Maianthemum dilatatum)
  • Bunchberry (Cornus canadensis, C. suecica, C. unalaschkensis)
  • Snow-in-summer (Cerastium tomentosum)

Go Further

Identify

Help protect BC from Invasive Species.