Nepeta 'Chartreuse on the Loose' is a compact catmint with lavender-blue flowers and contrasting yellow-green foliage.

Nepeta 'Neptune' is a compact catmint forming a low mound of intense blue to almost purple full sized flowers.

Nepeta 'Picture Purrfect' is a compact catmint forming a low mound of large, purple-blue flowers from early summer to early fall.

Lovely mounds of silvery green foliage topped by a continuous supply of blue-purple flowers all summer long.

Nipponanthemum nipponicum or Nippon daisy is a little-known yet easy-to-grow, fall-flowering daisy.

Oemleria cerasiformis is a BC native known as Indian plum or osoberry. It blooms early in the spring with fruit in early summer.

Olea europaea 'Frantoio' along with 'Leccino' are the two principal olive cultivars of Tuscany.

Olea europaea 'Koroneiki' is from the Peloponnese area of Greece and produces small olives that yield exceptional oil.

Olea europaea 'Manzanillo' is a the most important Spanish olive. It originated near Seville.

Olea europaea 'Manzanillo' is a the most important Spanish olive. It originated near Seville.

Olea europaea 'Maurino' is an excellent Tuscan olive oil cultivar that produces a delicate and aromatic oil.

Olea europaea 'Mission' is a distinctive Californian cultivar developed in the 1780s by Franciscan monks .

Olea europaea 'Nocellara' hails from the Valle de Belice area of Sicily and is used to produce Castelvetrano olives.

Olea europaea 'Pendolino' is an old Italian variety with nice pendulous branches and high fruit production.

Olea europaea 'Taggiasca' is the most common variety grown in Liguria, Italy along the Mediterranean adjacent to France.

Carpets of small, forget-me-not blue flowers with white edges.

Opuntia aurea 'Coombes Winter Glow' is a hardy evergreen Prickly Pear with bright pink flowers and green pads that turn dark purple in winter.

'Peachy' is a beavertail cactus (Opuntia basilaris) with glowing deep pink flowers on powder blue pads.

Opuntia basilaris var. brachyclada 'San Bernardino' is a cylindrical-leaved beavertail prickly pear cactus.

Opuntia basilaris x violacea has large, light blue pads that flush with pink.

Opuntia fragilis 'Alberta Sunset' has yellow flowers aging to apricot and pink with nearly spineless pads.