Ammi Seed - Snowflake - A fantastic border filler, producing masses of elegant snow-white flower heads atop lime green stems. Why not try sowing it alongside cornflowers, poppies and dahlias to create a beautiful display in... Price: £2.49 (Price correct on 2021-05-12)

Aster Seeds - Tall Fraggle Mix - Vigorous, bushy plants covered in semi-double flowers up to 5cm (2) across. In shades of lavender, dark blue, rose, white and purple. It bloomed until the end of September in our trials. Height 70cm... Price: £1.99 (Price correct on 2021-05-12)

Aster Seeds - Matsumoto Pink-Tipped White - Excellent for mid-late summer colour, asters are invaluable for bedding and edging, and in arrangements. Sow March-May under glass for flowers July-October, or sow outdoors in April-May. Price: £2.49 (Price correct on 2021-05-12)

Begonia (Tuberous) Seeds - Parisienne Trailing Mix - Cascades of large blooms in a range of shades. Flowers June-September. Height 24cm (10). HHA/HHP - Half hardy annual/Half hardy perennial. Price: £4.99 (Price correct on 2021-05-12)

Buddleia Seeds - Butterfly Magnet Mix - Aptly named, this gorgeous mixture of mauves, pinks and white will flower throughout the summer, attracting butterflies and bees. The flowers have a subtle, sweet, honey-like scent. Ideal for the back... Price: £2.99 (Price correct on 2021-05-12)