Poisonous Plant Seeds For Sale In Knoxville

* The leaves are deeply lobed with 3 to 7 toothed, pointed lobes in a palmate shape. * All parts of these plants are considered toxic to humans, causing severe digestive discomfort if ingested, and also skin irritation.

* Profuse scarlet fruit in early fall; leaves pale yellow in fall; sun or part shade; native to northeastern Asia. * The white inner bark is used in making string shoes.

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

* An herbaceous perennial, erect; with 3/4"white or pinkish fragrant flowers in terminal clusters and in the leaf axils; blooms throughout summer; spreads by creeping rhizomes; roots used as a soap substitute; grows on roadsides; native to Europe, but...

* Small, delicate plant forms a rounded mound, often loose and open; evergreen; 3" flowers in May, parents of this strain have flowers in variations of pink and purple; acid soil, good drainage; in the U.S. needs light shade in the North, more shade in...

* Helleborus niger is an evergreen plant with dark, leathery, pedate leaves carried on stems to 9–12 in (23–30 cm) tall. Division after flowering or in autumn. The large, flat flowers, borne on short stems from midwinter to early spring, are white,...

* Nicotiana tabacum, or cultivated tobacco, is an annually-grown herbaceous plant. It is found only in cultivation, where it is the most commonly grown of all plants in the Nicotiana genus, and its leaves are commercially grown in many countries to be...

* Celastrus scandens , commonly called American Bittersweet or Bittersweet , is a species of staff vines that blooms mostly in June and is commonly found on rich, well-drained soils of woodlands .

* A good ground cover plant. Although it is clump forming rather than spreading it increases freely by self-sowing. It is a perennial shrub reaching up to 1.5 m in height. * Hypericum androsaemum , commonly known as tutsan , is a plant in the genus Hypericum...

* Modern research has shown that yew trees contain the substance 'taxol' in their shoots and bark. * Much used for hedges, foundation and bank plantings, and similar purposes; can be pruned to grow as a tree; likes moist, well-drained soil; new growth...

* Euonymus europaeus , known as spindle , and also as European spindle and common spindle , is a deciduous shrub or small tree in the family Celastraceae , native to much of Europe from Ireland and southern Scandinavia in the north, to northern Spain...

Prefers almost full sun. * Sheep laurel is a very poisonous narcotic plant the leaves of which were at one time used by some native North American Indian tribes in order to commit suicide.

* Cycas revoluta ( sago cycad ), is an attractive plant native to southern Japan . * The leaves are used in the treatment of cancer and hepatoma. Though often known by the common name of king sago palm , or just sago palm , it is not a palm at all, but...

Paniculata is the most common of these, and is widespread in forest throughout the country. As with all Clematis species it is somewhat poisonous so shouldn't be grown where people or animals may be tempted to eat it.

* Helleborus niger is an evergreen plant with dark, leathery, pedate leaves carried on stems to 9–12 in (23–30 cm) tall. Division after flowering or in autumn. The large, flat flowers, borne on short stems from midwinter to early spring, are white,...

* Plants are sometimes grown as a hedge. Wood - close grained, moderately hard. * An evergreen shrub with dark green leaves, 2" golden-yellow bowl-shaped flowers in July; native to China, Japan.

* Nicotiana alata is a species of tobacco . * All parts of the plant contain nicotine, this has been extracted and used as an insecticide. It is called Winged Tobacco , Jasmine Tobacco , tanbaku , and sometimes Persian Tobacco , though the latter name...

* Commonly found in parks and gardens and is one of the dominant landscape species. * With its white flowers it is beloved of bees in May and children in fall for the mahogany nuts.

* The fruit can be made into jams and preserves.

The bark can also be made into a string. Wood - close-grained, soft, brittle. * A green dye can be obtained from the leaves. The bark is used to ornament baskets and is also split into strips and used for making baskets that are watertight and resist...

* Asclepias tuberosa is a species of milkweed native to eastern North America . It was much used by the North American Indians and acquired a reputation as a heal-all amongst the earlier white settlers.

* It is a shrub or small tree that grows to 3–12 metres (9.8–39.4 ft) in height, with leathery leaves that are oblong to oblong-elliptic, 8–14.5 cm (3 1?8–5 3?4 in) by 3–9.2 cm (1 3?16–3 5?8 in) in size.

* The leaves are deeply lobed with 3 to 7 toothed, pointed lobes in a palmate shape. * All parts of these plants are considered toxic to humans, causing severe digestive discomfort if ingested, and also skin irritation.

It is smaller in size than the Giant Hogweed ( Heracleum mantegazzianum ). The plant is little used in modern herbalism but has been employed in the treatment of laryngitis and bronchitis.

* Wormwood is a very bitter plant with a long history of use as a medicinal herb. It is valued especially for its tonic effect on the liver, gallbladder and digestive system, and for its vermicidal activity.

* Most garden specimens are of the hybrid between the two species, Laburnum × watereri (Voss's laburnum), which combines the longer racemes of L. Alpinum with the denser flowers of L.

* Deciduous twining shrubs; branchlets dark brown, 4-6-angular; lenticels dense, prominent, orbicular to elliptic, white; axillary buds ovate, 2-4 mm. * Many plants in this genus contain compounds of interest for their antitumour activity