This bidens reminds me of my brother – which variety is it?

Alison Tucker, by email

AMATT SAYS Your photo shows a striking bidens called ‘Hawaiian Flare Bicolor Star’, which produces bright displays from spring to autumn. It’s ideal for a warm sunny spot, in containers or hanging baskets. To track it down, search for the name online – it can either be grown from seed or bought as plug plants in spring and grown on.

Put up pheromone traps in May to catch some of the male plum moths