Plant Search » List of Hardy Subtropical Plants
'Blue Yonder' is reported hardy to zone 5 and has big, luscious heads of royal blue flowers from July to September. Let's go ROC ("Rest of Canada")! Give it a try.
Agapanthus 'Galaxy Blue' has large umbels of royal blue, trumpet-shaped blossoms with a dark blue stripe on each petal. Hardy to zone 6!
Agapanthus 'Galaxy White' has five inch wide umbels of white, trumpet-shaped blossoms on tall stems. Hardy to zone 6!
'Golden Drops' is a hardy Agapanthus with gold variegated foliage and blue flowers.
Agapanthus 'Little Galaxy' has large umbels of indigo blue, trumpet-shaped blossoms with a blue stripe on each petal. Hardy to zone 6!
Agapanthus 'Moonlight Star' has gorgeous and unique bicolour flowers of pale blue with dark violet blue stripes down the middle of each petal.
Agapanthus 'Northern Star' has gorgeous bicolour flowers of dark blue with dark violet stripes down the middle of each petal.
Agapanthus 'Polar Ice' is a cold hardy lily-of-the-Nile with pure white flowers.
Agapanthus 'Purple Cloud' is one of the darkest lily-of-the-Nile with rich, purple-blue, tubular flowers.
Agapanthus 'Stevie's Wonder' is a relatively large, hardy lily-of-the-nile with dark purple-blue flowers over lush green strap-like leaves.
Agapanthus 'Storm Cloud' has deep cobalt blue flowers held in loose spheres atop subtropical foliage. Great in pots or in the ground.
Agapanthus 'Summer Skies' has light blue flowers with dark blue streaks on tall sturdy stems rising above green strap-like foliage.
Agapanthus 'Twister' is a striking bicolour lily-of-the-nile with rich blue and white flowers.
'White Heaven' produces large heads of white flowers.
Agave albopilosa 'Tufts' is a rare, dwarf century plant with stiff, dark green leavestipped with white hairs like little cotton balls!
A classic blue agave forming large specimens.
Bluish green foliage edged in yellow. A very popular agave, great for dramatic containers.
Agave bracteosa 'Calamar' looks more marine-like than plant-like with long, narrow, notably spineless, bluish to apple green leaves.
Agave bracteosa 'Monterrey Frost' is a small, spineles cultivar perfect for pot culture or protected microclimates.
Agave deserti var. simplex hails from the northern part of desert agave's range in southern California and Arizona. It is small to medium-sized and has silver-blue leaves.