Tecophilaea cyanocrocus 'Storm Cloud' is a rare form of the Chilean blue crocus with white flowers tipped with lavender and bluish lavender in early spring.

Tecophilaea cyanocrocus 'Violacea' has velvety purple-blue flowers in early spring with thin white stripes.

Teucrium 'Greystone' produces a drought tolerant silver-grey mat perfect for use as a groundcover or at the front of the border.

Thalictrum delavayi is a tall, ethereal beauty with pendulous buds like lavender raindrops opening to reveal lavender wing-like petals.

Thalictrum Evening Star strain is a choice, dwarf meadow rue with luscious multi-coloured foliage and dainty lavender flowers.

Clouds of small four-petalled amethyst flowers with lemon yellow central stamens float above dark stems and airy foliage.

Tibouchina urvilleana, or the princess flower, can grow up to five metres tall with spectacular, bright purple-indigo flowers.

Tricyrtis formosana has white flowers with heavy magenta-purple spotting.

Classic toad lily flowers atop lush variegated foliage. Provides interest all season as you wait for the fall flowers.

An incredible selection with sky blue, royal blue, and purple flowers with red and yellow centres and light speckling. Better colours in more light.

Warm purple spots on white and purple flowers provide botanical intrigue in the shade garden.

Tricyrtis ‘Fuji no Niji’ has white orchid-like flowers with multitudes of lavender purple spots and yellow tints toward the centre.

Warm purple spots on white flowers provide botanical intrigue in the shade garden.

Tricyrtis 'Oniji' is a unique toadlily with purple and blue petals and a central white stripe.

Tricyrtis 'Seiryu' is a toad lily with light purple flowers with dark purple spots.

Triteleia 'Queen Fabiola' offers umbels of up to 25 funnel, star-shaped blue/mauve flowers on wiry stems.

Triteleia 'Rudy' offers umbels of up to 25 funnel-shaped, white flowers with a glowing purple stripe down the middle of each tepal.

Tulipa humilis 'Magenta Queen' has goblet shaped flowers in mid March and April in a unqieu shade of lavender purple.

Tulipa 'Crown of Negrita' has lovely, ruffled, plum purple flowers with hints of raspberry.