The incident at Beckworth in Northamptonshire happened shortly before 7pm on Monday, December 28. A member of staff noticed a suspicious car in the car park.
The driver of the suspicious vehicle then rammed the member of staff’s car before three people got out of the vehicle and forced the man into the garden centre’s office.
The thieves then searched the office and stole cash.
Witnesses, or anyone who knows anything about this incident can call police on 101 or Crimestoppers anonymously on 0800 555111.
At Brigg Garden Centre in Lincolnshire a staff member was injured after being assaulted by two men who were allegedly trying to gain access to the grounds.
Police are appealing for information linked to the incident, which happened at the centre at around 6.20pm on Bigby Road on December 13.
Witnesses should contact DC Jim Wilson at Gainsborough CID on 101 quoting incident 346 of December 13.