22 Weeds With Purple Flowers (Pros, Cons & Identifications)

Weed has been mainly termed as unfavorable as it causes unnecessary blockage in the garden, which further hinders the growth of other plants. However, weeds can grow beautiful flowers that may beautify your garden effortlessly. Purple weed flowers bring colors to your garden with their soft vibrancy.

Spiky Weeds with Purple Flowers

01. Canada Thistle

Canada thistle is a purple-pinkish flower and contains spikes in the flower and leaves too. They look similar to the firecrackers in the sky.

Scientific Name	CIRSIUM ARVENSE
Availability	Europe, western Asia, Northern Africa
Blooming Period	Between July and august
Height	150cm
Soil Type	Clay to gravely

Pros: They help in the nitrogen fixation process of the soil. Stalks and roots are edible Though people don’t use them frequently.

Cons: They contain a spine that may poke you. But severe toxicity isn’t caused by it.

2. DOVE’S-FOOT GERANIUM

Scientific Name	GERANIUM MOLLE
Availability	Europe, Northwestern Asia and North Africa
Blooming Period	April to September
Height	2 to 11.8 inches
Soil Type	Neutral to acidic

Pros: Treatment of internal and external injuries.

Cons: Geranium Molle may contain some chemical compounds naturally. But none of them are that much harmful that they will cause severe toxicity to the environment and living beings.

Purple Flower Weed with Spiky Leaves

3. BUGLEWEED

Scientific Name	AJUGA SP.
Availability	North Carolina
Blooming Period	Bugleweed flower blooms throughout the summer and it extends up to fall
Height	6 to 9 inches
Soil Type	Bugleweed flower blooms throughout the summer and extends up to fall

Pros: In the medical field the use of bugleweed is highly appreciated.The medicines for insomnia, Premenstrual Syndrome (PMS), and hyperthyroidism.

Cons: It is unsafe to consume bugle weed during pregnancy as it may affect milk production and other hormonal activities.

Weed with Tiny Purple Flower

4. Creeping Charlie

Scientific Name	acidic and humus-rich soil
Availability	Northern Europe and Asia.They grow mostly in China
Blooming Period	Early spring and summer
Height	2 to 19.7 inches
Soil Type	Acidic and humus-rich soil

Pros: Creeping Charlie is a great source of potassium and iron. It contains some natural chemicals which help to reduce swelling.

Cons: Creeping Charlie is used widely as a medicine but it can cause toxicity if taken more than the required amount. It can cause miscarriage and liver damage for excessive intake.

5. Purple Dead Nettle

Scientific Name	Lamium purpureum
Availability	sandy, well-drained soil.It can also survive in clay soil
Blooming Period	March to October
Height	5 to 20 cm
Soil Type	sandy, well-drained soil. It can also survive in clay soil

Pros: It has anti-inflammatory properties. It also can help you to cure hypertension, paralysis, trauma, fracture, etc. It is great if you have problems with sebaceous secretion.

Cons: It may seem toxic due to its appearance but it doesn’t have any poisonous effect.

Purple Flower with Yellow Center Weed

6. Forget-Me-Nots

Scientific Name	Myosotis sylvatica
Availability	England, Wales, Scotland
Blooming Period	hydrated, moist, and well drained well is great for their growth.
Height	5 to 12 inches
Soil Type	hydrated, moist, and well-drained well is great for their growth.

Pros: People have been using Myosotis Sylvatica for decorating their homes. Some people prefer to keep the plants in their garden. Again some people love to keep the flowers in the vase to enhance the beauty of the drawing room.

Cons: As they are nectar-filled flowers, they tend to attract insects, bees, and butterflies. Though it is really great, sometimes an excessive amount of caterpillars can be harmful to your other plants in the garden.

Winter Weed with Purple Flower

7. Sweet Violet

Scientific Name	Viola odorata
Availability	Europe and Asia
Blooming Period	Late winter to early spring.
Height	15 to 20 cm
Soil Type	chalk, clay and sand stone

Pros: Sweet violets are used to prepare emollient creams due to their moisturizing properties. In the medical field, they are used in medicines for abdominal pain, anti-inflammatory, and diuretic cases.

To cure joint pain, cough, bronchitis, flu, minor fever, insomnia, headache, and skin issues the usage of sweet violets is mentionable.

Cons: Sweet violets are not harmful if taken properly with a doctor’s guidance.

Spring Weed with Purple Flower

8. Violet Wood Sorrel

Scientific Name	Oxalis violacea
Availability	mid-spring to early summer
Blooming Period	Wood sorrels mostly grow where the pH level is low in the soil. They prefer acidic soil to spread out properly
Height	4 to 8 inches
Soil Type	Wood sorrels mostly grow where the pH level is low in soil. They prefer acidic soil to spread out properly

Pros: Wood sorrel is used to treat influenza, fever, urinary tract infection, diarrhea, and sprain and even it can cure the poison snake bite.

Cons: Wood sorrels are edible and not dangerous if you cook them after cleaning them properly.

9. Spotted Knapweed

Scientific Name	Centaurea maculosa
Availability	Eastern Europe and United States
Blooming Period	June to October
Height	20 to 150 cm
Soil Type	Eastern Europe and the United States

Pros: They are nutritious and sometimes people use them as livestock food.

Cons: Though no specific experiment has proven it, touching the flower barehanded is considered toxic.

Weed with Round Purple Flower

10. Henbit Deadnettle

Scientific Name	Lamium amplexicaule
Availability	moist and fertile soil. But they have the ability to adapt to the dry, adverse environment
Blooming Period	During spring and fall
Height	6 to 15 inches
Soil Type	moist and fertile soil. But they have the ability to adapt to the dry, adverse environment

Pros: Lamium amplexicaule is full of nutrients. It can provide you with vitamin C, A, iron, calcium, etc. Some of parts of Asia, people use it as herbal tea due to its medicinal properties. For stomach issues, it is also famous to cure.

Cons: If you consume the flower in a huge amount, it may show some stomach issues. But itself it is nontoxic.

11. Musk Thistle

Scientific Name	Carduus nutans
Availability	Europe, Scotland, Sicilia, Yogoslavia, Ukraine
Blooming Period	June to September
Height	6 feet
Soil Type	From neutral to acidic in all sorts of soil is great for their growth

Pros: Musk thistle is used to purify blood. It has a moisturizing property as it formulates oils rich in linoleic acid.

Cons: Musk thistle is known as invasive as it may cause harm if you touch it carelessly with bare hands.

12. Purpletop Verbena

Scientific Name	Verbena bonariensis
Availability	South America, North Carolina, Florida, and Texas
Blooming Period	South America, North Carolina, Florida, and texas
Height	3 to 6 feet
Soil Type	neutral to clay soil

Pros: They have the ability to attract butterflies and insects to your garden.

Cons: Not toxic to mammals.

13. BLUE VERVAIN

Scientific Name	Verbena Hastata
Availability	Columbia, Canada, New Brunswick, Manitoba
Blooming Period	July to September
Height	2 to 6 feet
Soil Type	Neutral to clay

Pros: Blue vervain is widely famous for its medicinal properties. It can cure anxiety, convulsion, infection, and abdominal issues. It is famous in the Sachweketon region of Canada.

Cons: It contains some active ingredients. Consuming without doctors’ consultation can lead you to severe reactions if you are allergic to it.

14. BULL THISTLE

Scientific Name	Cirsium Vulgarae
Availability	North America, Africa and Australia
Blooming Period	July to August
Height	up to 6 feet
Soil Type	neutral to acidic

Pros: Bull thistle can be a great source to maintain good health and can be used to enhance the capacity of the defense mechanism of our body.

Cons: It can sometimes form heavy strands and can inhibit the growth of other plants in your garden. It can sometimes invite mosquitoes if not maintained properly.

15. CHIVES

Scientific Name	Allium SchoenopraSum
Availability	Mid-spring to early summer
Blooming Period	Mid spring to early summer
Height	1 to 2 feet
Soil Type	Europe, Asia, and North America

Pros: Allium schoenoprasum is used in the medical field in preparing supplements. It can help you to attain good health and improve your sleep cycle. It is also famous for being enriched with nutrients that can provide you with a good and strong bone structure. It also contains anti-cancer properties.

Cons: Allium schoenoprasum has no toxicity to mammals. But we should be careful about the doses we take.

16. COMFREY

Scientific Name	Sympythum Officinale
Availability	Usa and Uk
Blooming Period	moist soil. It can also survive in the clay soil
Height	1 to 5 feet
Soil Type	moist soil.It can also survive in the clay soil

Pros: Comfreys are not traditional foods. But they play a vital role in preparing the medicines. The medicines for the treatment of bone-related issues and painkillers use Comfreys as one of the most important ingredients.

Cons: Without a doctor’s consultation consuming raw Comfreys can be harmful to your health.

Weed with Purple Flower Georgia

17. GROUND IVY

Scientific Name	fertile and humus-rich moist soil is required for their proper growth
Availability	Northern Asia and Europe
Blooming Period	Early spring and summer
Height	2 to 19 inches
Soil Type	fertile and humus rich moist soil is required for their proper growth

Pros: Ground Ivy helps to treat respiratory diseases. The medicines that help to treat cough, bronchitis, asthma, diabetes, and inflammation use ground ivy as a prior ingredient.

Cons: Ground ivy is not toxic to living beings. But you should keep your pets away from it as it may cause stomach issues.

18. NIGHTSHADE

Scientific Name	Solanum Sp
Availability	America, Australia and Africa
Blooming Period	mid to late summer
Height	1 to 3 feet
Soil Type	fertile to clay

Pros: Nightshades are entitled to Beta carotene which further helps to meet the demand for nutrients in the absence of tomato intake. Their bright pink color brings variation to your garden during summer.

Cons: There are no toxic elements in nightshades.

19. PURPLE DEAD NETTLE

Scientific Name	Lamium purpureum
Availability	USA, Canada, Ireland
Blooming Period	During winter
Height	5 to 20 cm
Soil Type	well-drained moist soil. But it can survive in clay soil for a certain period of time

Pros: Lamium purpureum is known as the cure for hypertension, hemorrhage, trauma, and fracture. People usually don’t use it traditionally.

Cons: No toxicity for living beings unless consumed in a huge amount.

20. PURPLE LOOSESTRIFE

Scientific Name	Lythrum Salicaria
Availability	Australia and Europe
Blooming Period	early to late summer
Height	2 to 4 feet
Soil Type	clay to neutral soil

Pros: They contain chemicals like astringent that further help to cure diseases like diarrhea and inflammation. They also contain tannins and salicarins. Those are mostly known as the well-known astringent.

Cons: You should not consume it during pregnancy and the breastfeeding period.

21. SPOTTED KNAPWEED

Scientific Name	Eastern Europe, can’t, and Mexico
Availability	Eastern Europe, can’t and Mexico
Blooming Period	during fall(July to August)
Height	2 to 3 feet
Soil Type	dry and sterile soil

Pros: Knapweeds are nutritious and most people use them as food for livestock.

Cons: People discourage it as raw food.

22. WILD VIOLET

Scientific Name	VIOLA SP
Availability	Canada and New Jersey
Blooming Period	spring and summer
Height	5 to 6 feet
Soil Type	humus soil or potting mixture are great for their growth

Pros: People don’t use it traditionally but it has a great use in the medical field. It contains astringent and diuretic properties that help to cure urinary tract issues.

Cons: Excessive growth sometimes causes mismanagement of the garden and invites mosquitoes.

Though there are 22 types of purple weeds there are many weeds that show some pinkish, purple color. Some of them are invasive. Again, some of them play a vital role in the medical field. Having proper knowledge about weeds can help you to have the best usage out of it.