6 fast-growing flowers to sow in May for summer colour

It’s well and truly time to crack open those seed packets, and if you’re hoping to fill the gaps in your garden with colourful blooms, there are plenty of fast-growing flowers you can sow in May.

This week, I’m starting my list of things to plant in May with flowers – more specifically, annuals and perennials that will bloom this summer. These varieties have so many merits in the garden, from warding off pests in a vegetable patch to sprucing up sparse garden borders.

Here’s a list of fast-growing flowers to sow in May to get you started – including a few I’ll be sowing this week!