The Thompson and Morgan Verbena Union Jack Collection lets you join in on the fun and help celebrate the Queens Birthday with a wonderful display of red, white, and blue flowers, ideal for bringing a patriotic theme to your garden this summer June through to September.. The red, white, and blue colours of Verbena 'Union Jack' mix are ideally suited to fill your hanging baskets and patio containers or grow them from a window box for a cascade of colour. The Verbena have a Height and spread: 25cm (10").. Please note: The Thompson and Morgan Verbena Union Jack is sent as a mix; the plants are not individually labelled to indicate their colour. Grow Verbena in beds, borders, and containers in a sheltered position in any moist, well-drained soil in full sun. Feed and water plants regularly until they are fully established. Verbena flowers do not require dead heading. In autumn, apply a dry mulch of bark chips or straw to protect the crown of the plant throughout the winter months. Cut back the old stems when new shoots emerge at the base of the plant in spring. Plant Size - Height Up to 25cm (9.8in) & Spread Up to 25cm (9.8in). Hardiness & Longevity – Hardy Perennial. Ideal For – Hanging Baskets, Window Boxes & Patio Containers. Position In – Full sun. Flowering Months – June to September. Images shown are for guidance only of the expected results from plants upon maturity. Different growing conditions might vary results. Image may be included for illustration of supply but can vary due to seasonality changes (e.g. deciduous plants lose leaves in colder months).