Check the list of Weeds with Blue Flowers! They might sound like invasive plants but they do have some beautiful blooms!
Though they might sound like an invasive specimens at first, but these Weeds with Blue Flowers can be a standout addition in garden and pots! Read ahead!
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Weeds with Blue Flowers
Some of the plants on this list may have a mix of purple-blue and might not have an entirely blue flowers.
1. Blue Oxalis
Botanical Name: Parochetus communis
These Weeds with Blue Flowers stays alive for many years. The blooms of the plant match really well with the light green foliage.
2. Chicory
Botanical Name: Cichorium intybus
Chicory are Weeds with Blue Flowers that originally comes from Europe. The plant usually grows between three to five feet tall. Its leaves resemble dandelion.
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3. Columbine Aquilegia
Botanical Name: Aquilegia vulgaris
Columbine has slightly hairy stems and long, floppy flowers. These flowers come back year after year, but some gardeners treat them as plants that live for two years.
4. Bush Vetch
Botanical Name: Vicia sepium
Bush vetch is a beautiful climbing plant with small deep blue or purple flowers. It comes from Asia and Europe but can also be found in North America.
5. Carpetweed
Botanical Name: Ajuga pyramidalis
Carpetweed is a usual weed that grows quickly and covers the ground fast. You can use common weed killers to control it. It looks great in gardens, lawns, and landscapes.
6. Creeping Bellflower
Botanical Name: Campanula rapunculoides
Creeping bellflower is a plant with bell-shaped flowers that bloom in the summer. These Weeds with Blue Flowers spread fast and can take over other plants in no time.
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7. Forget-Me-Not
Botanical Name: Myosotis scorpioides
Forget-me-not is a small very light blue-white flower with five petals and a yellow center. These medium-sized weeds with tiny blue blooms grow in wet, shaded places.
8. Asiatic Dayflower
Botanical Name: Commelina communis
The Asiatic dayflower has broad, thin leaves and beautiful blue flowers. The leaves have pointy tips, with two big blue petals on top and one white petal underneath.
9. Common Blue Violet
Botanical Name: Viola sororia
The common blue violet is a short plant found in gardens, fields, paths, and forests. Its pretty bluish-purple flowers bloom in spring from April to June.
10. Slender Speedwell
Botanical Name: Veronica filiformis
Slender Speedwell is a beautiful weed that comes back every year. These Weeds with Blue Flowers originally came from Asia and Europe.
11. Henbit
Botanical Name: Lamium amplexicaule
Henbit is a pretty weed that has purplish-to-blue colors. It grows in the cold autumn or winter months. Originally from Asia and Europe, it is now common in North America too.
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12. Creeping Charlie
Botanical Name: Glechoma hederacea
Creeping Charlie is a blue weed that has been in the US for a long time. It grows near the ground and has bright green leaves with wavy edges.
13. Germander Speedwell
Botanical Name: Veronica chamaedrys
It is a small plant that hugs the ground and has blue or violet flowers. Each flower has four petals evenly arranged around the center.
14. Tiny Bluets
Botanical Name: Houstonia pusilla
These Weeds with Blue Flowers have five petals and can be white or blue in color. These flowers have leaves that grow opposite each other.
15. Siberian Squill
Botanical Name: Scilla siberica
Siberian squill is a lovely blue weed that appears in your garden in early spring. It blooms early in the spring and adds beauty to the surroundings.
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16. Bugloss
Botanical Name: Anchusa azurea
Anchusa azurea, or Italian Bugloss has pretty blue flowers that look like forget-me-nots. It grows on tall stems with big green leaves and blooms a lot in late spring to early summer.
17. Viper’s Bugloss
Botanical Name: Echium vulgare
Echium vulgare, or Viper’s Bugloss is a plant with tall spikes of bright blue or purple flowers. It attracts bees and blooms during spring and summer.
18. Purple Deadnettle
Botanical Name: Lamium purpureum
Originating from Europe and Asia, these Weeds with Blue Flowers display blooms consistently throughout the year, including in the warmer winter months.
19. Selfheal
Botanical Name: Prunella vulgaris
Prunella vulgaris, common as Self-Heal, is a small herb with purple flowers, often considered a weed. It grows in grassy areas and blooms in spring and summer.
20. Lungwort
Botanical Name: Pulmonaria spp.
Lungwort has pretty flowers that change color as they age, usually in shades of pink and blue. This plant is common in gardens and woodlands, adding beauty to spring landscapes.
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21. Field Scabious
Botanical Name: Knautia arvensis
Field Scabious is a wildflower with lavender or blue flowers that resemble pincushions. It grows in fields and meadows, attracting butterflies and bees.
22. Blue Dicks
Botanical Name: Dichelostemma capitatum
These Weeds with Blue Flowers bloom in spring and thrive in grassy areas or open woodlands. These flowers contribute to the beauty of natural surroundings.
23. Mountain Violet
Botanical Name: Viola calcarata
Mountain Violet is a small plant with delicate purple or blue flowers. It grows in mountainous regions and blooms in spring.
24. Common Bluebell
Botanical Name: Hyacinthoides non-scripta
Common Bluebell blooms in woodlands and meadows during spring. These Weeds with Blue Flowers create colorful carpets beneath trees and in grassy areas.
25. Greater Periwinkle
Botanical Name: Vinca major
Greater Periwinkle is a trailing plant with glossy green leaves and purple-blue flowers. It grows in gardens and can spread to cover the ground.
26. Salvia lyrata
Botanical Name: Lyreleaf sage
Salvia lyrata, also known as Lyreleaf Sage, is a plant with unique, lyre-shaped leaves and spikes of purple or blue flowers. It thrives in open areas and blooms in spring.
27. Pickerelweed
Botanical Name: Pontederia cordata
Pickerelweed is a water-loving plant with large green leaves and spikes of blue-purple flowers. It grows near ponds and marshes, attracting insects and birds.
28. Sheep’s Bit
Botanical Name: Jasione montana
Sheep’s Bit is a wildflower with round clusters of small blue or purple flowers. These Weeds with Blue Flowers blooms in grasslands and meadows during summer.
29. Skullcap
Botanical Name: Scutellaria spp.
Skullcap displays tiny, tube-like flowers ranging from blue to purple. It grows in sunny areas and is known for its calming properties.
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30. Wild Heliotrope
Botanical Name: Phacelia distans
Wild Heliotrope displays clusters of small purple flowers. These Weeds with Blue Flowers bring a touch of purple beauty to various outdoor settings.
