I think the seeds of this story at the core concern
apple
A golden one's responsible for sparking a great war.
The golden apple which Zeus sent to Paris of Troy caused the Trojan war.
An earthly one has earthly tones – no green, no red, no core.
A grown potato (pomme de terre) is commonly brownish with seeds on the skin.
A big one's home to sights that numerous travellers adore.
New York City - the Big Apple.
To purchase eye products one needs to find a certain store.
iMacs, iPads and iPhones from the Apple store.