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.

Nepeta 'Purple Haze' has a clean mat habit with continuous bloom of purple blue spikes all summer long.

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.

Oenothera 'Silver Blade' is a stunning evening primrose with huge, lemon yellow flowers for months atop silver-blue foliage.

Origanum 'Gilt Trip' is an ornamental oregano with lilac flowers, mauve calyxes and aromatic, chartreuse-yellow foliage.

Origanum 'Kirigami' forms mounds of aromatic, light green foliage and purple, pink, and green, hops-like inflorescences.

Origanum 'Drops of Jupiter' is an ornamental oregano with pink flowers and aromatic, chartreuse-yellow foliage.

Origanum 'Kent Beauty' has cute shrimp-like, pink flowers held in pendulous clusters from blue-green foliage.

Ornithogalum saundersiae is a South African bulb with clusters of fragrant, upward facing, white flowers on long stems.

Osteospermum 'Purple Mountain' is a super hardy African Daisy with warm lavender purple daisies with yellow centres for months on end.

Osteospermum 'Avalanche' is a super hardy African daisy that blooms from spring until fall with masses of large, dazzling white daisies.

Othonna capensis or little pickles is an extremely hardy ground-covering succulent with blue-green leaves and yellow daisy flowers.

Oxalis oregana 'Klamath Ruby' is a special redwood sorrel with darker green leaves with wine red undersides.

Packera is a daisy relative that forms a great groundcover for sun or shade with cheerful yellow flowers.

Packera obovata is a daisy relative that forms a great ground cover for sun or shade with cheerful yellow flowers.

Paeonia lactiflora 'Green Halo' is an unusual semi-double peony with light green outer petals and creamy white inner petals. Lightly perfumed.

Paeonia Patio Peony 'Athens' has semi-double, bright rose-pink flowers with a yellow centre on compact plants.

Paeonia 'High Noon' is a lutea hybrid with fragrant, golden yellow flowers and stamens.

Paeonia suffruticosa 'Chojuraku' is a tree peony with lavender flowers and yellow stamens.

Paeonia suffruticosa 'Houki' has large, double ruby red flowers with yellow stamens.

Paeonbia suffruticosa 'Kaoukamon' has smaller, dark red to maroon flowers with yellow stamens.

Paeonia tenuifolia is a rare, fernleaf peony with single, dark red flowers and yellow stamens.