Poisonous Plant Herbaceous Plant For Sale In United States

* Veratrum nigrum ( Black Hellebore ) is a medicinal plant and poisonous plant native to Asia and Europe . In China, it, and other false hellebore species are collectively called "li lu".

Division after flowering or in autumn. * Helleborus niger is an evergreen plant with dark, leathery, pedate leaves carried on stems to 9–12 in (23–30 cm) tall. * In antiquity the most famous place for the black hellebore was the Phokian city of Antikyra...

Division after flowering or in autumn. * Helleborus niger is an evergreen plant with dark, leathery, pedate leaves carried on stems to 9–12 in (23–30 cm) tall. * In antiquity the most famous place for the black hellebore was the Phokian city of Antikyra...

* It is considered an aggressive invasive plant in natural areas (both woods and fields). The leaves are lobed and crenate , 30 cm long. The sap is yellow to orange.The flowers consist of four yellow petals , each about 1 cm long, with two sepals .

* This Clematis is very fast growing and will cover an area quickly with beautiful yellow flowers that last most of the season.

Other common names are Bouncing Bet and Sweet William; locally it is simply "the Soapwort" although there are about 20 species of soapworts altogether. * An herbaceous perennial, erect; with 3/4"white or pinkish fragrant flowers in terminal clusters and...

* It is considered an aggressive invasive plant in natural areas (both woods and fields). The leaves are lobed and crenate , 30 cm long. The sap is yellow to orange.The flowers consist of four yellow petals , each about 1 cm long, with two sepals .

Other common names are Bouncing Bet and Sweet William; locally it is simply "the Soapwort" although there are about 20 species of soapworts altogether. * An herbaceous perennial, erect; with 3/4"white or pinkish fragrant flowers in terminal clusters and...

Its effectiveness has never been reliably proven or disproven since controlled studies have not been carried out. * Rheum palmatum , known as Turkey rhubarb , Chinese rhubarb , ornamental rhubarb , and East Indian rhubarb , is a plant in the family Polygonaceae...

Its effectiveness has never been reliably proven or disproven since controlled studies have not been carried out. * Rheum palmatum , known as Turkey rhubarb , Chinese rhubarb , ornamental rhubarb , and East Indian rhubarb , is a plant in the family Polygonaceae...

The dried leaves can also be used, they remain effective for 6 months after drying. * All parts of the plant contain nicotine, this has been extracted and used as an insecticide. It is found only in cultivation, where it is the most commonly grown of...

* The species is commonly cultivated in temperate areas. * The name "naked lady" comes from the fact that the flowers emerge from the ground long after the leaves have died back. * The poisonous alkaloid 'colchicine' is extracted from this plant and used...

* The species is commonly cultivated in temperate areas. * The name "naked lady" comes from the fact that the flowers emerge from the ground long after the leaves have died back. * The poisonous alkaloid 'colchicine' is extracted from this plant and used...

The dried leaves can also be used, they remain effective for 6 months after drying. * All parts of the plant contain nicotine, this has been extracted and used as an insecticide. It is found only in cultivation, where it is the most commonly grown of...

* A form with reddish-purple flowers, otherwise similar to the species, which see.

* Perennial with small yellow flowers throughout the summer; makes a nice bluish mound of delicate foliage; will grow in deep shade; can seed itself about rather freely; native to southern Europe.

It thrives well in heavy loam in England (Bowley, l.c.). Mathew (l.c. 110), this species is said to have originated in Kashmir. However, as it is associated with cemetries, it is not clear whether it is a truly wild plant in Kashmir or an introduction...

* It is a popular garden plant both for its flowers and for its fragrance. * A good border plant with white or pinkish flowers on a vertical stalk; a long-lived plant, makes a substantial clump in the garden.

Flowers are heart-shaped and 1–2 inches (3–5 cm) long, with pink outer petals and white inner petals , hanging in a horizontal raceme . They bloom from late spring to early summer .

Flowers are heart-shaped and 1–2 inches (3–5 cm) long, with pink outer petals and white inner petals , hanging in a horizontal raceme . They bloom from late spring to early summer .

* The leaves are cardiac, stimulant and tonic. * Yellowish flowers marked with rusty red, particularly on the inside; in spikes; biennial or short-lived perennial; full or part sun, dry, well-drained soil; flowering in summer; native to southern Europe...

It thrives well in heavy loam in England (Bowley, l.c.). Mathew (l.c. 110), this species is said to have originated in Kashmir. However, as it is associated with cemetries, it is not clear whether it is a truly wild plant in Kashmir or an introduction...

* Perennial with small yellow flowers throughout the summer; makes a nice bluish mound of delicate foliage; will grow in deep shade; can seed itself about rather freely; native to southern Europe.

The dried leaves can also be used, they remain effective for 6 months after drying. * All parts of the plant contain nicotine, this has been extracted and used as an insecticide. It is found only in cultivation, where it is the most commonly grown of...

* The leaves are cardiac, stimulant and tonic. * Yellowish flowers marked with rusty red, particularly on the inside; in spikes; biennial or short-lived perennial; full or part sun, dry, well-drained soil; flowering in summer; native to southern Europe...

* The plants flower from late spring to late summer, and are pollinated by butterflies and bumble bees. * The leaves are deeply lobed with 3 to 7 toothed, pointed lobes in a palmate shape.

* Mostly identical to the species, which see, but with white flowers.