Polygala chamaebuxus var. grandiflora – Box-Leaved Milkwort is an evergreen sub-shrub that is native to the Alps and Carpathian mountains. It has small dark green lance-shaped leaves and eye catching purple and yellow pea-like flowers that are borne from late spring to early summer. A good container or alpine garden specimen. Grows 4-6″ high by 16″ wide. Zone 6.
Bignonia capreolata ‘Tangerine Beauty’ – Cross Vine can be difficult to find in coastal BC and bears abundant bright tangerine orange trumpet-shaped blooms (with a golden throat) in late spring. The foliage remains evergreen in regions with warm winters but turns reddish-purple before dropping in colder areas. Shade tolerant. Grows 20-30′ high by 8-10′ wide. Zone 6.
x Digiplexis ‘Illumination Flame’ – This newer tender perennial won the 2012 Chelsea Flower Show plant of the year and is a bigeneric cross between Foxglove (Digitalis) and Isoplexis, a close relative from the Canary Islands. It features tall spires of pinkish-orange tubular flowers with a yellow throat, borne until frost. Good cut flower. Grows 3′ tall by 18″ wide. Hardy to zone 8.
Torenia fournieri YELLOW MOON – A tropical-looking summer flower that will add a splash of colour to those hanging baskets or containers in partial shade. Commonly known as Wishbone flower, YELLOW MOON bears snapdragon-like yellow flowers with a contrasting maroon-purple throat all summer long. Requires constant moisture. Grows 6″ high by 12″ wide. Hardy to zone 10.
Feijoa sellowiana (renamed Acca sellowiana) – This evergreen shrub is native to South America but has been naturalized in many tropical regions. It produces beautiful fleshy white and purplish-red flowers with prominent red stamens, followed by sweet green fruits. Both are edible, hence the common name Pineapple Guava. Grows 6-10’+ high by 6-8′ wide. Zone 8.