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Biennial Plants

Silene coronaria

Silene coronaria

Silene coronaria is also known as the Lychnis coronaria, Agrostemma coronaria, Agrostemma tomentosum, Rose Campion, Dusty Miller, Mullein-Pink, or Bloody William. It is from the Caryophyllaceae family of plants. Silene coronaria is native to Europe and Asia. The name coronaria in Latin means used for garlands. Silene coronaria is a biennial or short-lived perennial. Silene coronaria Silene coronaria grows to 80cm or 30in tall. It has grayish-green leaves. The leaves ...

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Conium maculatum or Hemlock

Conium maculatum

Conium maculatum is also known as the Hemlock, Poison Hemlock, California Fern, St Benedict’s Herb, Shakeweed, Spotted Hemlock, Spotted Parsley, Spotted Corobane, Carrot Fern, Devil’s Bread, Devil’s Porridge, Winter Fern, Cashes, Herb Bennet, Poison Parsley, Nebraska Fern. Conium maculatum is native to the Mediterranean region in particular Europe and North Africa. Conium maculatum is part of the Apiaceae family of plants. Conium maculatum Conium maculatum is a herbaceous biennial plant. ...

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Cirsium vulgare

Cirsium vulgare

Cirsium vulgare is also known as Cirsium lanceolatum, Carduus lanceolatus, Common Thistle, Bank Thistle, Birth Thistle, Blue Thistle, Boar Thistle, Button Thistle, Bull Thistle, Horse Thistle, Spear Thistle, or Bur Thistle. It is part of the Asteraceae family of plants. Thistle is the national flower of Scotland. Sir Walter Scott selected it in 1822. The thistle selected is Onopordum acanthium. Onopordum acanthium is not a native Thistle. But Cirsium vulgare ...

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Verbascum pulverulentum

Verbascum pulverulentum

Verbascum pulverulentum is also known as Hoary mullein. It is part of the Scrophulariaceae family of plants. It is a biennial. It grows up to 1.8m or 6ft tall. Verbascum pulverulentum leaves contain rotenone used as an insecticide and coumarin which helps prevent blood from clotting. It is native to Europe. Verbascum pulverulentum creates a rosette of leaves and a tall branching spike of yellow flowers in late spring and ...

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Exacum affine

Exacum affine © onlineflowergarden.com

Exacum affine is also known as Persian Violet, Arabian Violet, or German Violet. It is part of the Gentianaceae family of plants. It is native to Yemen. Exacum affine is a biennial. But sometimes it is planted as an annual. Exacum affine can grow to 30cm or 1ft. It has ovate dark green leaves. It flowers in the summer. It has fragrant flowers. Exacum affine flowers are 5-petaled. They are ...

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Glaucium flavum

Glaucium flavum © onlineflowergarden.com

Glaucium flavum, or Glaucium luteum, or Glaucium flavum f. flavum is also known as the Hornpoppy, Horned Poppy, Yellow Horned Poppy, Caillichín na trá, Bruiswort, Seaside Poppy, or Sea Poppy. It usually grows close to the sea therefore the common name Sea Poppy. It is part of the Papaveraceae family of plants. This short-lived perennial is usually grown as a biennial. It is native to North Africa, Macaronesia (a collection of 4 archipelagos in ...

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Dipsacus fullonum

Dipsacus fullonum

Dipsacus fullonum or Dipsacus sylvestris is also commonly known as the Wild Teasel, Adam’s Flannel, Indian Thistle, Prickly Back, Venus’ Cup, Water Thistle, or Fuller’s Teasel. It is a member of the Caprifoliaceae family of plants. It is native to North Africa and Eurasia. This is an herbaceous biennial. Dipsacus fullonum could become evasive in the right climate. The leaves are bright green and they are prickly on the lower part of ...

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Echium candicans

Echium candicans

Echium candicans is a large herbaceous biennial. It is also known as the Pride of Madeira or Echium ‘Pride of Madeira’. As its common name suggests it is native to the island of Madeira. Madeira is an autonomous region in Portugal, about 400km or 250mi north of the Canary Islands and to the west of Morocco. Echium candicans is part of the Boraginaceae family of plants. It is drought tolerant. ...

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Alcea rosea – Hollyhock

Alcea Rosea - Hollyhock

I wrote about Hollyhock or Alcea rosea or Althaea rosea almost 9 years ago. Today as I was walking in the Bankside area of London I came across it on the sidewalk. It was such a wonderful display I decided to write about this flower again. I had never seen Alcea rosea planted in the street. They are deciduous biennials, or sometimes perennials. Alcea rosea can grow pretty tall almost 2m ...

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Dianthus barbatus

Dianthus barbatus

Dianthus barbatus also known as Sweet William or Bearded Pink is from the Caryophyllaceae family of plants. Dianthus barbatus is a biennial in the pictures below it has white flowers but it also can be found with pink, purple, dark pink, and reddish flowers in spring and summer. Dianthus barbatus is native to Southern Europe and part of Asia. Dianthus barbatus Grow Dianthus barbatus in full sun. Plant it preferably ...

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