Horticulturist average salary is $37,834, median salary is $35,755 with a salary range from $20,800 to $85,000.Horticulturist salaries are collected from government agencies and companies.Each salary is associated with a real job position. Horticulturist salary statistics is not exclusive and is for reference only. They are presented as is and updated regularly.orticulturist salary is full-time annual starting salary.