Plants for your Windowboxes.
Viola x wittrockiana pansy is a perennial. It will flower in your window box from June to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by insects, grown as an annual, with large, round, clear orange flowers.
Height & Spread: 20x20cm
Cultivation: Plant in autumn and site in sun or shade.
Water in dry spells. Deadhead regularly to prolong flowering. Loved by slugs and snails.
Campanula carpatica 'Bellflower'
A beautiful, compact campanula covered for a long season in summer with masses of blue, upright, bell flowers. Ideal for window boxes. Dead-head old flowers to tidy up the plant and promote further blooms. It thrives in sun or shade.
Height & Spread: 10x45cm
Cultivation: Plant in window boxes after the last frosts in a good quality potting mix. It should be sited in full sun or in partial shade. Water freely while the plant is growing, applying a balanced liquid feed monthiy. Dead heading regularly will help to prolong flowering. May be infected by a rust,powdery mildews and leaf spot and can also be damaged by slugs and snail.
Nepeta x faassenii 'catmint' A perennial covered in flower from early summer with pale, lavender-blue flowers. With hairy, scalloped, silvery, blue-green leaves. When you brush past your window box you will catch the full scent from its aromatic leaves.
Height & Spread: 45x45cm
Cultivation: Best grown in average, dry to medium moisture, well-drained compost in full sun to part shade. Thrives in dry soils in full sun, and is very drought tolerant. Divide it in spring or in autumn.
Vinca minor 'Atropurpurea' lesser periwinkle
The flowers are dark plum-purple coloured and will flower in your window boxes from April to September. The leaves are evergreen, broad, glossy and dark green with a leathery texture.
Height & Spread: 20x50cm
Cultivation: Provide dry to moist growing medium in full sun or deep shade. Old growth may be cut back to about 10 cm high in early spring to stimulate new growth. New roots form where stems touch the ground.
Hebe Carl Teschner, (Youngii). Evergreen shrub with a low growing habit, foliage is green small and narrow Dark-green, Flushed red in All seasons. Flowers in early summer producing small racemes of violet blue flowers contrasted by white throats.
Height & Spread: 20x30cm
Cultivation: Water the window box thoroughly and allow to drain fully.Plant in spring or autumn in pots of John Innes No.3. Site in full sun. Water freely in the growing season and apply a balanced liquid feed monthly. Prune shrubs lightly to shape in spring if necessary. These plants are prone to powdery mildew.