What Are the Purple Flower Weeds in My Yard?

A purple flower weed in your yard may be thistle
Thistles are weeds with purple flowers

There are many weeds with purple flowers that you may find in your yard during their flowering season. Here are some of the common ones that are found all over the world.

There are so many purple flowering weeds that either grow on farmland, in the yards or lawns, grasslands, or meadows. These weeds include but are not limited to the following:

List of purple flowering weeds

  • Musk Thistle
  • Purple Dead Nettle
  • Creeping Charlie
  • Purple Tulip
  • Purple Lupine
  • Pickerel Weeds
  • Purple Wild Flowers
  • Coneflowers
  • Canada Thistle
  • Henbit
  • Creeping Charlie

Video – Lawn weeds with purple flowers

Yard weeds with purple flowers

Purple Flowering Weeds

Creeping Charlie

It is also called Ground Ivy and is scientifically known as Glechoma hederacea. This flower has always been used for medicinal purposes including treating diarrhea, sinus problems, and bronchitis among other illnesses. It is found in yards, especially under the shades or along the spaces of the buildings.

Canada Thistle

Also called Creeping Thistle. This plant is scientifically known as Cirsium arvense and grows fast. It is an invasive weed that can reproduce through its vegetative shoots. As the name suggests, its origin is traced to Canada and has been useful in coagulating milk among other uses.


Henbit weed with pinkish-purple flowers
Henbit is a common purple flowering weed

Scientifically known as Lamium amplexicaule. Some people would confuse Henbit for Deadnettle but these are different flowers. Henbit has pink to purple colors and the purple spots are darker as compared to that of Deadnettle. This weed grows in the fields, home gardens, and also has edible leaves, stems, and flowers.

Bittersweet Nightshade

This weed comes from the same family as potatoes and tomatoes. Their stems are a bit hairy and the plant is considered poisonous. It grows in loose soil and is moderately invasive. To remove this weed, you need to dig it up and pull it out.

Infographic – 5 weeds with purple flowers

What are those purple weeds called?
What are the purple flower weeds in my yard?


Scientifically known as Prunella vulgaris. It is a wildflower and native to the United Kingdom. The flower grows in lawns, grasslands, and meadows. It is also a perennial and semi-evergreen flower that is edible, and has other medicinal uses as well.

These weeds bloom from June to October where you can begin to spot these purple flowers all over the place.

Purple Clover

It is Scientifically known as Trifolium pratense and is a perennial weed that grows rapidly and yields purple flowers. There are other varieties that yield pink and red flowers as well. This flower can grow like a weed but is also planted for its fragrant and edible leaves.

What Are the Weeds with Purple Flowers Called?

There are several types of weed that grow in yards. During their flowering stage, you will notice different colors of flowers, mostly in the spring or fall. This is because most are dormant during winter and also in the hot weather of summer. Some of these weeds that produce purple colors include the ones in the table below:

Table – 4 Garden weeds with purple flowers and their scientific names

Common NameScientific NameOther details
Wild VioletViola labradoricaIs a perennial weed that blooms in mid-May and nearly all year-round when good care is taken and grows in all areas that have moist, fertile, and shady soil.
Canada thistleCirsium arvenseIt begins flowering from late May to mid-June. The plant spreads aggressively and can be toxic to animals if ingested in reasonable quantities.
Forget Me NotsMyosotis sylvaticaThese are perennial weeds that come back every year. They grow in rich moist soil and blooms from April to May.
HenbitLamium amplexicauleThey bloom in the fall or the spring. It is an annual weed and hence does not come back to bloom year after year.

Common Garden Weeds Colored Purple

The common garden weeds colored purple include Purple Clovers, Creeping Charlie, Purple Deadnettle, Wild Violets, Forget Me Not, and Bittersweet Nightshade among others. These are just some of the common ones that you can find around the world.

Purple Deadnettle Weeds with Purple Flowers

The purple flowers of the purple deadnettle are edible
Purple Deadnettle has light purple flowers and is easily identified in your garden

The Purple Deadnettle has its origin traced to Asia and Europe. It is an annual and invasive weed with purple flowers as the name puts it. The plant blooms in April or earlier depending on many factors including the climatic conditions.

The leaves of the Purple Deadnettle plant are edible and you can eat them raw. The flowers are also edible and with sweet floral tops. This makes it useful for making salads, teas, and soups among other dishes.

What Are the Tall Weeds with Purple Flowers Called?

The Purple Loosestrife, scientifically known as the Lythrum salicaria is the tallest weed that has purple flowers. This weed is easily identifiable since it grows to about 6 – 10 feet tall. These flowers bloom from July through September and the flowers turn to seeds ready for the next growing cycle.

This weed grows in moist and good soils. It also thrives when it grows in full sun for blooming, but it does well in partial shade.

Another tall weed with purple flowers are Wildflowers. These grow to 2 feet tall and bloom in late summer to fall. That is May through to July.

However, there are many varieties or species of Windflowers and some grow to only 1 foot tall. Compared to other weeds that bear purple flowers, the Wildflower is considered the tallest.

Wildflowers thrive in full sun and they thus need at least 6 hours of sun exposure per day. They can also do pretty well partial shade. When it comes to soil conditions, the plant needs well-drained, quality soil.

Wild Purple Flowers

There exist so many purple wildflowers including the Lupine, Domestic Lilac, Blue-eyed Mary, Common Phlox, Clarkia, Dagger Pod, Creeping Charlie, Midget Phlox, Beeding Hearts, Selfheal, Clasping Henbit, and Nightshade among others.

The common ones that are found in almost all parts of the world include the Cobwebby Thistle, Bull Thistle, Musk Thistle, Fringed Onion, Pennyroyal, and Meadow Lupine.

Some of these wildflowers are annuals and bloom only once while others are perennials and thus bloom from year to year. Their flowering period is also during the warm seasons from spring through to fall.

Other resources related to Purple Flower Yard Weeds

11 Weeds With Purple Flowers: Identification and Pictures

Weeds with Purple Flowers (Common Lawn Weed Guide)

Clarisse Walters
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