Growing plants from fresh seed. Community › Community › General Gardening › Sowing and Growing › Growing plants from fresh seed. This topic contains 1 reply, has 2 voices, and was last updated by charles 8 years, 8 months ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 27th April 2013 at 2:35 pm #21615 Sahira WardMember Hello Charles I enjoyed eating a San Marzano mini plum tomato bought from a shop and have grown 14 plants from the fresh seed. Will these plants produce fruit true to type? Regards Sahira 28th April 2013 at 5:37 am #23977 charlesModerator As long as the fruit were not grown from hybrid seed! I think that San Marzano plums are in fact grown from open pollintaed seed but growing them is the only way to find out. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.