Camellia japonica 'Kramer's Supreme' features beautifully ruffled, rich red flowers that show some of the golden stamens.

Camellia japonica 'Nuccio's Bella Rossa' has gorgeous formal red flowers produced over a long period from early to late season.

Camellia japonica 'Nuccio's Bella Rossa' has gorgeous formal red flowers produced over a long period from early to late season.

Camellia japonica 'Vestito Rosso' has stunning, formal, crimson red flowers that bloom over a long period.

Camellia japonica 'Vestito Rosso' has stunning, formal, crimson red flowers that bloom over a long period.

Camellia sasanqua 'Yuletide' offers a profusion of wonderfully fragrant, small, red, single flowers with cheerful yellow stamens.

Campsis radicans 'Madame Galen' produces many clusters of fiery trumpet shaped flowers in mid to late summer.

Canna speciosa has green, tropical foliage on stems 4-6 feet tall with brilliant red flowers and narrow petals.

Canna 'Australis' has somewhat narrow and pointed, rich, warm, maroon foliage with red flowers in summer.

Canna 'Black Knight' is a canna lily with big, dark burgundy leaves and red flowers.

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

Canna 'Cleopatra' is a canna lily with an unusual colour combination of green to brown leaves and yellow to red 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.

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

Canna 'Tropicanna Black' is a stately canna lily with big, dark bronze leaves and red flowers.

Indian paintbrush (Castilleja miniata) is beautiful West Coast native with inflorescences that look like a paintbrush dipped in fiery colours.

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

Chrysanthemum Mammoth 'Red Daisy' is a long-lived perennial with semi-double, deep red to fiery red flowers.

Cirsium rivulare 'Atropurpureum' is a rare perennial with long-blooming, lipstick red, thistle-like flowers.

Clematis texensis ‘Gravetye Beauty’ has small, lipstick red, outward facing, tulip-shaped flowers from July-October.

Clematis viticella 'Rubra' is one of the reddest cultivars available with dark centres and a small white central flare.

Burning Love is one of the reddest of all clematis! It will certainly light your fire!

Clematis 'Avant Garde' is a late-blooming Evison clematis with magenta-red petals and a double centre in pink with yellow stamens.

Clematis 'Avant Garde' is a late-blooming Evison clematis with magenta-red petals and a double centre in pink with yellow stamens.