Syringa reticulata subsp. pekinensis capsules. The bark is a red-brown color. They grow well in moist, well-drained soil. They prefer full sun but will tolerate light shade. Syringa reticulata subsp. pekinensis Syringa reticulata subsp. pekinensis (formerly known as "Syringa pekinensis"), also known as the Pekin lilac or the Chinese tree lilac, grows in an open, multi-stemmed form to a height of , with a spread of . They are native to northern China but grow in USDA hardiness zones 3 through 7. It is grown as an ornamental tree in Europe and North America. Pekin lilacs have arching branches and ovate dark green leaves
The Alnwick Garden as architectural landscaping, topiary and decorative gates. A garden featuring intoxicating and poisonous plants was added in February 2005. Species of the Poison Garden include "Strychnos nux-vomica" (source of strychnine), hemlock, "Ricinus communis" (source of harmless castor oil but also deadly ricin), foxglove, "Atropa belladonna" (commonly called Deadly Nightshade")", "Brugmansia" and "Laburnum". The mission of the Poison Garden also includes drug education, with featured plantings of cannabis, coca and the opium poppy "Papaver somniferum". The Alnwick Garden The Alnwick Garden is a complex of formal gardens adjacent to Alnwick Castle in the town of Alnwick, Northumberland, England. The gardens have