What to Plant in May UK (2026 Guide) | Hota
Discover what to plant in May in the UK. Find flowers, vegetables and garden plants suited to spring conditions across England and Wales.
What to Plant in May in the UK (2026 Guide)
May is one of the best months for planting in England and Wales. With longer days, warmer temperatures and reduced risk of frost, conditions are ideal for establishing a wide range of plants.
This is the time when gardens really begin to take shape, with opportunities to plant flowers, vegetables and perennials that will carry through into summer.
Understanding UK conditions in May
By May, most areas of the UK are past the risk of frost, making it a safe time to plant more tender species outdoors. Soil is warmer and more consistent, helping plants establish quickly.
It’s one of the most productive months for both ornamental and edible planting.
Flowers to plant in May
Zinnia – vibrant summer flowers that thrive in sunny conditions
Cosmos – fast-growing and long-flowering
Marigolds – easy to grow and great for borders or containers
Vegetables to plant in May
Tomatoes – plant out after the last frost in a sunny position
Courgettes – fast-growing and highly productive
Runner beans – ideal for vertical growing and summer harvests
Perennials and bedding plants
Salvia – thrives in warm, sunny conditions
Petunias – ideal for containers and hanging baskets
Geraniums (Pelargoniums) – classic summer bedding plants
Tips for planting in May
Water regularly, especially during dry spells
Feed plants as growth accelerates
Space plants correctly to allow airflow and reduce disease
Stake taller plants early to support growth
Understanding UK conditions in May
Conditions across England and Wales are generally mild in May, but weather can still vary. Southern regions may warm up earlier, while northern or coastal areas can remain cooler.
Checking local conditions will help you get the best results from your planting.
Not sure what will work in your exact garden?
Hota uses your location, soil and garden conditions to recommend the right plants instantly, helping you plan with confidence.