How to create a white-themed flower border In this video clip, Monty Don adds white-flowered astrantia, cosmos and bishop's weed to his Writing Garden. By BBC Gardeners' World Magazine Published: Sunday, 4 August, 2019 at 10:19 am Share on Facebook Share on Twitter Share on Pinterest Share on Whatsapp Share on Blogger Email to a friend Picking a border theme, for example by colour, is a great way to ensure it has a sense of cohesion. In this video clip, Monty Don plants Astrantia ‘White Giant’, Cosmos ‘Purity’ and bishop’s weed, Ammi majus – all of which have white flowers. Advertisement Advertisement Share on Facebook Share on Twitter Share on Pinterest Share on Whatsapp Share on Blogger Email to a friend Tags Broadcast 2013 Cut flowers Flowers GW TV programme Monty Don Native wildflower Planting Video White Shady garden Woodland garden Advertisement MPU how_to Advertisement MPU how_to