Asclepias curassavica is a milkweed with blooms in scarlet red and orange.

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

Asclepias curassavica 'Monarch's Promise' is a variegated milkweed with blooms in scarlet red and orange all summer and fall.

Asclepias tuberosa 'Hello Yellow' is an Eastern North American Butterfly milkweed with nectar-rich yellow flowers that feeds Monarch butterflies.

Asclepias viridis is the green milkweed with large clusters of green petals and purple throats.

The rare red angel's trumpet, Brugmansia sanguinea, is of the most distinctive and striking species with red and yellow trumpets.

The yellow form of the red angel's trumpet, Brugmansia sanguinea, has distinctive, small, deep yellow flowers.

A compact butterfly bush with masses of lightly scented, sterile, lilac flowers for months on end atop willowy, silvery foliage.

Buddleia 'Asian Moon' a sterile cultivar that will not reseed with light purple flowers with orange throats over an extended period.

Buddleja ‘Bicolor’ is the first cultivar to offer two completely different colours on the same inflorescence!

One of the best of all Buddleja cultivars -- dark purple fragrant flowers attract lots of butterflies and bees to the garden.

Buddleja ‘Dartmoor’ has giant clusters of warm purple flowers that dwarf all other cultivars.

Buddleja davidii 'Santana' is an exciting new variegated butterfly bush with green leaves edged in bright yellow.

Buddleia davidii 'Wisteria Lane' is a compact cultivar with cascading, honey-scented sprays of purple flowers that resemble Wisteria.

Buddleia fallowiana var. Alba is a butterfly bush with grey-white leaves and pure white fragrant flowers.

Buddleja lindleyana has small, dainty flower spikes with silvery-lavender and warm purple flowers on stems arching to 10 feet.

A unique colour for Buddleja ‘Honeycomb’ sports clusters of yellow flowers that deepen towards orange at the centres.

Buddleia 'Birthday Cake' is a butterfly bush with upright, fragrant purple flowers that bloom from summer into fall.

Buddleia 'Blueberry Pie' is a compact butterfly bush with fragrant blue-purple flowers with white and yellow centres.

Buddleja 'Butterfly Gold' has variegated gold and green foliage fading to white and green as the season progresses. Lilac flowers bloom all summer long.

Buddleja 'Buzz Hot Raspberry' is a dwarf, sterile butterfly bush that blooms continuously with fragrant, hot-raspberry-pink flowers.

Buddleja 'Buzz Midnight' is a dwarf butterfly bush that blooms continuously with fragrant, dark purple flowers.

Buddleja Buzz 'Sky Blue' is a dwarf butterfly bush that blooms from summer to fall with fragrant, lavender-blue flowers.

Buddleia 'Lilac Cascade' is a mid-sized, long-blooming, sterile butterfly bush with huge cones of fragrant lilac flowers.

Buddleia 'Pink Cascade II' is a mid-sized, long-blooming, sterile butterfly bush with huge cones of fragrant, pink flowers.