Canna Cannova 'Bronze Scarlet' has luscious black foliage and bright red flowers and is virus-free.

Canna Cannova 'Rose' has lush, green, tropical foliage on stems to about four feet tall topped with glowing rose-pink flowers in summer.

Canna Cannova 'Yellow' has lush, green, tropical foliage with glowing bright, lemon yellow flowers with light orange speckling.

Canna 'Durban' is a canna lily with striking variegated foliage or oranges, yellows and green topped with orange flowers.

Canna 'King Kong' is a giant canna lily that can grow to 7-9 feet tall with big, burgundy-infused leaves.

Canna 'Picasso' is a canna lily with unusual yellow flowers heavily spotted in red against green leaves.

'Pretoria'/'Bengal Tiger' is one of the best canna lilies for foliage with green leaves with yellow veins and red edges.

Canna 'Red King Humbert' has deep burgundy foliage and bright red flowers in summer.

Canna 'Vanillal Cream' is a compact canna lily with creamy white and yellow flowers and large green leaves.

Be among the first to grow Canna 'Wolf Song' with its light green on dark green variegation and red flowers.

Carex elata 'Aurea' or Bowles golden sedge is a superlative grass-like plant for sun to shade in average to moist garden soils.

Carex flacca 'Blue Zinger' is an evergreen sedge with startling, steel-blue, pleated foliage.

Carex morrowii 'Ice Dance' is a beautiful sedge with broad green leaves edged with creamy white forming low, slowly spreading mounds.

Mounds of glossy green blades when you need something quiet and lush.

Shapely deep green blades with snowy white edges puts Carex Evercolor 'Everest' at the height of evergreen sedges.

Carex Evercolor 'Everglow' has a central green stripe with orange margins from fall to winter.

The superlative evergreen sedge, Carex Evercolor 'Everillo', emerges lime green, then turns to golden yellow.

Carex 'Everlime' is a sedge with deep green, evergreen leaves edged with lime. Fantastic in pots or the garden.

Yellow and gold striped, not unlike 'Evergold' but with improved form and vigour.

An evergreen sedge, Carex Evercolor 'Eversheen' has boldly contrasting gold and dark green variegation.

Carpenteria californica 'Elizabeth' offers open clusters of ruffled white flowers centred with spheres of yellow stamens.

Ceratostigma willmotianum produces true blue to lilac-blue flowers in late summer and fall against autumn red foliage.

Cercidiphyllum japonicum 'Rotfuchs' is a special katsura with burgundy foliage that turns blue-green by mid summer.