All types of seed show whether there is enough time to plant left in the season, and which fertilizer is required if there isn't.
All types of seed show their produce and the sell value of each quality (normal, silver, gold, and iridium).
Flowers show honey sell value of each quality level.
Coffee beans, hops, wheat, tea leaves, and flowers show their respective keg product (Coffee, Pale Ale, Beer, Green Tea, Mead) values of each quality level.
Everything else shows pickle/jelly and juice/wine sell values of each quality level.
Prices and grow times should take into account any modifiers that exist like professions, etc.
Config
You can customize this mod by editing the config file or using Generic Mod Config Menu.
Technical
Requires SMAPI.
Implements a Generic Mod Config Menu interface to change config settings in-game.
Compatible with Mod Updater for automatic updates.
Code is at https://github.com/aedenthorn/StardewValleyMods.
If you want to complain or ask for help or help me test my mods, you can visit my Discord server.
A list of all my mods for Stardew Valley is available at https://www.nexusmods.com/stardewvalley/articles/895.