true to seed

Adjective

(horticulture) Yielding the same type of plant as that from which a seed was taken.

Japanese Meaning

種子を採取した原植物と同じ性質の植物が育つこと。（園芸用語）

These heirloom tomatoes are true to seed, producing plants that match the parent in every characteristic.

これらの在来種のトマトは、種から育てても親と同じ特徴を持つ植物が育ちます。

Sense（1）

(horticulture) Yielding the same type of plant as that from which a seed was taken.