How to overseed a lawn to boost the health and vibrancy of your grass

Manicured lawn with mower stripes in a summer garden
(Image credit: Chris Rose/PropertyStock / Alamy Stock Photo)

Learning how to overseed a lawn, is key for strengthening and revitalising your existing garden. It is also environmentally friendly as it reduces the need to use chemicals to support your lawn, so you can improve your garden sustainably.

Overseeding is the act of spreading lawn seed to help thicken lawns and encourage healthier growth. Cutting lawns beforehand with the best petrol lawnmower is an essential first step.

Josh Novell headshot
Josh Novell

Josh has over six years' worth of experience in the horticulture industry. He began his career as a strategy manager before working his way up to become a director and is now a key part of the day-to-day running of Polhill garden centre.

Guy Jenkins headshot
Guy Jenkins

Guy is the Consumer Manager for Johnsons Lawn Seed, the UK’s oldest provider of lawn seed, and is an expert in the field of lawn seed and lawn care.

Jane Dobbs  headshot
Jane Dobbs

Responsible for leading the gardening team at Allan's Gardeners, a landscaping and garden maintenance business based in London. She has 10 years experience as a gardener.

Russell Birchell headshot
Russell Birchell

Russel is an expert on lawn and plant health. With a passion for horticulture and expertise in landscaping.

Teresa Conway
Deputy editor on Homebuilding & Renovating

Teresa was part of a team that launched Easy Gardens in 2018 and worked as the Editor on this magazine. She has extensive experience writing and editing content on gardens and landscaping on brands such as Homes & Gardens, Country Homes & Interiors and Living Etc magazine. She has developed close working relationships with top landscape architects and leading industry experts, and has been exposed to an array of rich content and expertise.

In 2020 Teresa bought her first home. She and her partner worked alongside architects and builders to transform the downstairs area of her two bedroom Victorian house in north London into a usable space for her family. Along the way she learned the stresses, woes and joys of home renovation, and is now looking to her next project, landscaping the back garden. 

With contributions from