Colquhounia Coccinea PICK UP ONLY. This woody perennial will grow long stems of soft woolly silver-green leaves. Commonly called Himalayan mint shrub can be evergreen or semi-evergreen. Flashes of scarlet orange flowers from under leaves in spring are very eye catching. This plant like it hot and dry! Can get up to 2.5m by 2.5m but easily controlled at 1m.