The common name of myrica gale is sweet gale. The flowers are brownish green and bloom February to March.…
Nemophila maculata flowers are white with a violet purple blotch on each lobe of the large corolla.…
Oenothera amoena rubicunda is a variety of evening primrose with rose flowers with four crimson spots.…
Oenothera speciosa is a variety of evening primrose with white flowers that become reddish as they fade.…
Olearia gunnia flowers are white and bloom in September. The branches are hoary. Pictured is a flowering…
Optunia multiflora is a variety of prickly pear. The flowers are yellow and bloom in summer. The branches…
Pictured is a flowering branch and detached flower head of oreopanax andreanum. The flowers are globe…
Pictured is a tip of a flowering branch and the leaf of oreopanax epremesnilianum. There are seven to…
Osmanthus fragrans flowers are yellowish or almost white. The flowers bloom June to August. Pictured…
Oswego Tea is the common name of monarda didyma. The flowers are bright scarlet and blue July to September.…
Paeonia albiflora flore-pleno blanc is a pure white, double herbaceous variety of peony. Pictured is…
Paeonia tenuifolia flore-pleno is a variety of peony. Flore-pleno is the double state. The tenuifolia…
The common name of paeonia is peony. The wittmanniana variety yellowish white flowers. The flowers bloom…
The common names of pavia are buckeye and smooth-fruited horse chestnut. The californica variety has…
The common name of pavia rubra is red buckeye. The flowers are bright red and bloom in May. The plant…
This flowering branch of pear shows to corymbs of flowers. A large portion of flowers fall off at an…
Pelargonium inquinans flowers vary from intense scarlet, to rose colored, to white. The flowers bloom…
The common name of pelargonium zonale is horseshoe geranium. The flowers vary from all shades of red…
Pentas carnea flowers are disposed in numerous, large heads. The flowers bloom almost all year round.…
Petunia nyctaginiflora flowers grow on alone on small stems. The flowers are large and white. The flowers…
Petunia violacea flowers are purplish violet and every elegant. The flowers appear in August. The stems…
Philadelphus gordonianus is a variety of mock orange. The flowers are white and scentless. The plant…
The common names of phlox subulata are ground or moss pink. The flowers are pinkish with a dark center.…
The flowers of sweet gum are greenish yellow. The flowers bloom in spring. The tree somewhat resembles…