There are varieties of Nasturtium (T. majus) for all sorts of purposes – climbers for clothing walls and fences or covering banks, semi-trailers for window boxes and dwarfs for bedding and edging. For a blaze of red, yellowor orange plant in poor, free-draining soil and do not. Spray, if necessary, against blackfly. Canary Creeper(T.peregrinum)issuitable for richersoil – avigorousclimberwithsmall.yellowflowersandlobed .
VARIETIES: Nasturtiums are grouped according to size – the Climbers grow up to 6 ft (look for ‘Tall Mixed’ or ‘Climbing Mixed’) and the Semitrailers reach about 1 ft. This latter group is dominated by the fragrant semi-double Gleam varieties – ‘Golden Gleam’ (yellow) and ‘Scarlet Gleam’ (red). There are also the compact Dwarfs which grow 6-9 in. high – popular varieties include ‘Red Roulette’ (orange-red), ‘Empress of India’(dark red),’Whirlybird’(mixed) and’Tom Thumb’ (mixed).
SITE AND SOIL: Thrives in poor sandy soil in either full sun or partial shade.
PLANT DETAILS: Height 6 in.-6ft.
Spacing: 6 in.-1.5 ft.
Flowering period: June-October.
PROPAGATION: Sowin under glass in February or in April where they are to flower.