Verb
plant a seed (third-person singular simple present plants a seed, present participle planting a seed, simple past and past participle planted a seed)
(idiomatic) To do something that will produce results or change in the future.
The fact that I can plant a seed and it becomes a flower, share a bit of knowledge and it becomes another's, smile at someone and receive a smile in return, are to me continual spiritual exercises. Leo Buscaglia
Literally, if someone says I am grounded, everyday I am at home, I actually have my hands in the ground and dirt under my fingernails. I don't have a staff to do it all for me. I still plant a seed and I'm amazed it grows. Emilio Estevez
It's easy to plant a seed and sprinkle it with water, but once the sun scorches the ground, and the earth soaks up all the moisture, you're left with nothing but a thirsty little flower trying desperately to make it out of the dirt. Tiffanie DeBartolo
Don't plant a seed in the sea. Swahili Proverb