Poisonous Plant Seeds For Sale In Philadelphia

* Aristolochia manshuriensis Komarov, Trudy Imp. S.-Peterburgsk. Guan mu tong Hocquartia manshuriensis (Komarov) Nakai; Isotrema manshuriense (Komarov) H.

Used for stamps, printing blocks, mosaics etc. * Wood - hard, elastic, very fine grained.

* 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 yellow-green, later a rich dark green; tolerates shade well; slow growing; prefers to be out of strong...

* Requires an acid humus-rich soil, succeeding in part shade or in full sun in cooler areas. Prefers almost full sun. * A very ornamental and variable plant. * It has attractive small, deep crimson-pink flowers that occur early summer.

The main flowering stem is erect. * 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.

* The whole plant contains a very aromatic essential oil, giving out a scent somewhat like lemon peel. * A good border plant with white or pinkish flowers on a vertical stalk; a long-lived plant, makes a substantial clump in the garden.

Maximum is an evergreen shrub growing to 4 m (13 ft), rarely 10 m (33 ft), tall. It produces large, showy, white to purple flowers each June. Leaves are sclerophyllous, simple, alternate, and oblong (10 to 30 cm long, 5 to 8 cm wide).

Although it is clump forming rather than spreading it increases freely by self-sowing. * A good ground cover plant. It is a perennial shrub reaching up to 1.5 m in height. Plants are best spaced about 90cm apart each way.

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 from places unknown.

It prefers rich humid soils. It is smaller in size than the Giant Hogweed ( Heracleum mantegazzianum ). It is an umbelliferous plant, in the same group as fennel, cow parsley, elder and giant hogweed.

The foliage forms a tight rosette at ground level in the first year. * Great care should be exercised in the use of this plant, the therapeutic dose is very close to the lethal dose.

* It is a medium-sized deciduous tree growing to 20-47 m tall. * It has greenish yellow flowers in May and the dark green leaves turn yellow to pumpkin-orange in the fall. * A species of buckeye native to the Ohio Valley and Appalachian Mountains of the...

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

States, as far north as southern Utah, in open land with well-drained soils. It is sometimes used as a hallucinogen. * All parts of Datura plants contain dangerous levels of anticholinergic tropane alkaloids and may be fatal if ingested by humans, livestock,...

* All parts of the plant have a distinguishing strong odour that is often likened to rotting peanuts or cashews. * The bark is smooth and light grey, often becoming somewhat rougher with light tan fissures as the tree ages.

Its range stretches from southern Maine south to northern Florida , and west to Indiana and Louisiana . * Requires an acid humus-rich soil, succeeding in part shade or in full sun in cooler areas.

It occurs in thickets, moist woods, and the banks of streams. * A vigorous and fast-growing climbing plant that twines around supports, it also spreads freely by underground suckers.

* Aristolochia manshuriensis Komarov, Trudy Imp. S.-Peterburgsk. Guan mu tong Hocquartia manshuriensis (Komarov) Nakai; Isotrema manshuriense (Komarov) H.

* Striking in the woodland garden; likes woodland soil; red berries in fall. * Stored seed remains viable for at least a year and can be sown in spring in the greenhouse but it will probably require a period of cold stratification.

* It is in flower from Jul to August, and the seeds ripen in September. * A decidious Tree growing to 12 m. * Species of buckeye endemic to California , and the only buckeye native to the state.

The flowers are 3.5-5 cm diameter, violet-purple, often with small greenish-yellow spots or streaks. Rhododendron ponticum subsp. The fruit is a dry capsule 15-25 mm long, containing numerous small seeds .There are two subspecies : Rhododendron ponticum...

The main flowering stem is erect. * 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.

Petiole 1.5-3 cm, strong; leaf blade ovate to orbicular, 7-18 × 5-14 cm, leathery, light green, glabrous, base cuneate, margin crenate, apex acute to shortly acuminate; secondary veins 5-7 pairs, obviously prominent on adaxial surface.

* The fruit can be made into jams and preserves.

* The fruit can be made into jams and preserves.

The seed can be boiled and used in soups, porridges etc. The tree has an angular crown and long, somewhat erratic branches, and is usually deep rooted and resistant to wind and snow damage.

The flowers are 3.5-5 cm diameter, violet-purple, often with small greenish-yellow spots or streaks. Rhododendron ponticum subsp. The fruit is a dry capsule 15-25 mm long, containing numerous small seeds .There are two subspecies : Rhododendron ponticum...