Poisonous Plant Herbaceous Plant For Sale In Norman

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

* Striking in the woodland garden; likes woodland soil; red berries in fall. It can cause irritation of the mouth and digestive system, and on rare occasions the swelling of the mouth and throat may be severe enough to affect breathing.If the plant is...

Umbelliferous plants are so named because of the umbrella-like arrangement of flowers they produce. * The roots and the leaves are aphrodisiac, digestive, mildly expectorant and sedative.

* Perennial with characteristic palmate leaves. The flowers, blue to blue violet, pea like and produced at the end of branches. * Lupinus polyphyllus ( Large-leaved Lupine , Big-leaved Lupine , or, primarily in cultivation, Garden Lupin ) is a species...

Temperatures of 20–30 °C (68–86 °F) are best for adequate growth; an atmospheric humidity of 80 to 85% and soil without a high level of nitrogen are also optimal. * All parts of the plant contain nicotine, this has been extracted and used as an...

Crocea is a beautiful and stately plant, probably the most striking of all spurias. Mathew (l.c. 110), this species is said to have originated in Kashmir. It thrives well in heavy loam in England (Bowley, l.c.).

Its long tuberous root has cream-colored skin and flesh and can be left in the ground when mature as it becomes sweeter in flavor after winter frosts. It has been used as a vegetable since antiquity and was cultivated by the Romans, although there is...

It fell out of favour in the nineteenth century but recent research has brought it back to prominence as an extremely valuable remedy for nervous problems. Perforatum is sometimes called Common St John's wort to differentiate it.

A good black dye is obtained from the root if it is mixed with iron sulphate. Its specific epithet , meaning "false acorus," refers to the similarity of its leaves to those of Acorus calamus , as they have a prominently veined mid-rib and sword-like shape.

Each has an elaiosome , which attracts ants to disperse the seeds ( myrmecochory ). * The plant self-sows freely and should not need much encouragement. The leaves are lobed and crenate , 30 cm long.

It should be used with extreme caution and only under the supervision of a qualified practitioner since all parts of the plant are very poisonous and the difference between a medicinal dose and a toxic dose is very small.

A good black dye is obtained from the root if it is mixed with iron sulphate. Its specific epithet , meaning "false acorus," refers to the similarity of its leaves to those of Acorus calamus , as they have a prominently veined mid-rib and sword-like shape.

Veratrum lobelianum Bernh. ), is a medicinal plant of the Liliaceae (lily family) or Melanthiaceae which is native to Europe . * Upright stems topped by 1/2-1" flowers in a branched flower head, white, green, or yellowish; grows in wet, grassy subalpine...

* This is the red flowered form. However it is commonly cultivated in gardens away from its native range. * Primula denticulata , commonly known as Drumstick primrose or the Himalayan Primrose is a species of primrose that is native to moist alpine regions...

Native to subpolar regions of northern Europe and North America, Iceland poppies are hardy but short-lived perennials ,grown as biennials , that yield large, papery, bowl-shaped, lightly fragrant flowers supported by hairy, 1-foot, curved stems among...

* Something like a 6" wide daisy, with this difference: it is stemless, growing prostrate on the ground; blooms in May or June; coarse, deeply lobed leaves; likes a scree soil; a rock garden plant or curiosity native to the Mediterranean.

* Securinega suffruticosa (Pall.) Rehder = Flueggea suffruticosa (Pall.) Baill. * This plant is commonly used in Chinese herbalism, where it is considered to be one of the 50 fundamental herbs.

The species is commonly known as Virginia snakeroot and is native to eastern North America, from Connecticut to southern Michigan and south to Texas and Florida. It is used in a number of proprietary medicines for treating skin, circulatory and kidney...

Native to subpolar regions of northern Europe and North America, Iceland poppies are hardy but short-lived perennials ,grown as biennials , that yield large, papery, bowl-shaped, lightly fragrant flowers supported by hairy, 1-foot, curved stems among...

Umbelliferous plants are so named because of the umbrella-like arrangement of flowers they produce. * The roots and the leaves are aphrodisiac, digestive, mildly expectorant and sedative.

Prune in the autumn months and The taxus is a slow grower, with a slim and elegantly shaped trunk. * 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...

It can bloom from April to October. There are five narrow points spaced symmetrically around the rim. States, as far north as southern Utah, in open land with well-drained soils. * All parts of Datura plants contain dangerous levels of anticholinergic...

* Spotting on the flowers gives rise to the additional common name of leopard lily. Prick out the seedlings into individual pots as soon as they are large enough to handle. In 2005, based on molecular DNA sequence evidence, Belamcanda chinensis , the...

Plants are best spaced about 90cm apart each way. It is a perennial shrub reaching up to 1.5 m in height. * A good ground cover plant. * Hypericum androsaemum , commonly known as tutsan , is a plant in the genus Hypericum native to open woods and hillsides...

Plants flower the second year from seed, so the wait isn't too long. Well worth putting in a partial shade location. * This is a great little flower that really livens up the spring garden.

In spring it bears large, single, lemon-yellow flowers five inches (10–12 cm) in diameter, the ovary pubescent, the two to four carpels white, pink or yellow, and the stamen filaments yellow-green.

* Liriope muscari is a species of low, herbaceous flowering plants from East Asia . Established plants are fairly drought tolerant, they succeed in dry shade. * Seedlings grown from our seed will not be variegated as the plants are in some of the pictures...