The upright stems of Abutilon 'Biltmore Ballgown' are festooned with dangling two-inch orange bells streaked with scarlet throughout summer.

Agapanthus 'Galaxy Blue' has large umbels of royal blue, trumpet-shaped blossoms. Hardy to zone 6!

Agapanthus 'Galaxy White' has five inch wide umbels of white, trumpet-shaped blossoms on tall stems. Hardy to zone 6!

Agapanthus 'Little Galaxy' has large umbels of indigo blue, trumpet-shaped blossoms with a blue stripe on each petal. Hardy to zone 6!

Agapanthus 'Poppin' Purple' is a compact, fast-growing lily-of-the-Nile with violet purple flowers.

Agapanthus 'Silver Moon' has variegated leaves light lavender-blue flowers in rounded clusters.

Agapanthus 'Summer Love Blue' has fragrant violet-blue flowers on strong green stems and green, strap-like foliage.

Agapanthus 'Twister' is a striking bicolour lily-of-the-nile with rich blue and white flowers.

Alocasia macrorrhizos 'Variegata' has thick, sculpted and glossy green leaves with cream variegation.

Anigozanthos 'Joe Joe Orange' has tubular orange and yellow flowers for months that look like kangaroo's paws.

Anigozanthos 'Kanga Pink' has tubular pink flowers with creamy-white undertones for months that look like kangaroo's paws.

Anigozanthos 'Kanga Red' has tubular red flowers that look like kangaroo's paws blooming for months.

Asclepias curassavica 'Monarch's Banquet' is a tender variegated milkweed with nectar-rich blooms in bright orange-reds all summer long.

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

Colocasia 'Coffee Cups' is an elephant ear with cupped olive green foliage with burgundy veining on burgundy stems.

Colocasia esculenta 'Diamond Head' is a taro or elephant ear with large, ruffled, dark brown, tropical foliage.

Colocasia Thailand Giant is a taro or elephant ear with gigantic foliage. Buy first, worry about where to put it later. ;-)

Colocasia 'Mojito' has incredible black-speckled taro/elephant ear leaves. A magnificent focal point for containers or garden.

Colocasia 'White Lava' is a taro or elephant ear with shiny, green tropical foliage displaying broad cream coloured veins.

Colocasia Pharaoh's Mask has large bright green leaves with bulging dark burgundy purple veins.

Coniogramme emeiensis 'Golden Zebra' is a variegated form of the bamboo fern with lime green horizontal stripes.

Cordyline 'Dancing Paso Doble' is a subtropical cabbage palm with dramatic deep purple foliage with hot pink edges.

Cuphea 'Hummingbird's Lunch' has masses of tubular flowers in red and yellow that will feed hummingbirds all season long.

Cuphea 'Vermillionaire' is a low-mounding, tender, evergreen perennial with tubular, orange and yellow flowers popular with hummingbirds.

Curcuma longa, or turmeric, is the bright orange spice integral to South Asian & Middle Eastern cuisines.

Dichondra 'Silver Falls' is a tender perennial with small, shimmering, silver foliage that trails up to 4 feet.

Ensete glaucum is a rare snow banana and a Musa relative with large, paddle-shaped leaves. Zone 7b hardy with protection.

Ensete ventricosum 'Maurellii' has 6-8 foot long paddle-like green leaves infused with rich burgundy red.

Eucalyptus pulverulenta 'Baby Blue' is the wonderful silver dollar of florist shops with baby blue foliage and great fragrance.

'Spider's Web' is a version of Fatsia japonica with dramatic evergreen foliage speckled with white.