Teucrium fruiticans, also known as Shrubby germander. Evergreen Mediterranean shrub with bright silver grey aromatic foliage and in summer azure blue flowers. Easy to grow in most soils needs full sun and a sheltered position.
Thalictrum a. Thundercloud, also known as Meadow Rue, an erect deciduous perennial, Bluish red stamens with pink-purple fluffy flowers. Very similar to the common Aquilegia.
Tulbaghia Silver Lace, also known as Society Garlic. A vigorous, semi-evergreen perennial with narrow silver variegated leaves with pink flowers in summer-autumn.