Founded in 1855,[1] Thompson & Morgan offer English plants, seeds and sundries worldwide through their websites.

Thompson and Morgan seeds are stocked in the following countries: Great Britain, Ireland, France, Germany, Holland, Belgium, Italy, Austria, Switzerland, Greece, Turkey, Norway, Denmark, Finland, Sweden, USA, Canada, Korea, and Japan.

John provided the business acumen that enabled Thompson & Morgan's continued solid growth.

John Morgan spent the next ten years as sole owner until he partnered with Joseph Sangster in 1913.

In 1982, Bruce Sangster headed the company's expansion in the U.S. after previously having a distribution base in Jackson, New Jersey.

In May 2002, Thompson & Morgan returned to independent private ownership by Primary Capital Partners, the Sangster brothers and key management.

[6][7][8] In the RHS Chelsea Flower Show 2018's 'plant of the year' competition, Thompson & Morgan plants were awarded first and third place.