Should fix issues with invisible seeds/products/plants.

code/modules/hydroponics/seed_controller.dm

@@ -66,7 +66,9 @@ var/global/datum/controller/plants/plant_controller // Set in New().
 			plant_sprites[base] = ikey
 
 	for(var/icostate in icon_states('icons/obj/hydroponics_products.dmi'))
-		plant_product_sprites |= icostate
+		var/split = findtext(icostate,"-")
+		if(split)
+			plant_product_sprites |= copytext(icostate,1,split)
 
 	// Populate the global seed datum list.
 	for(var/type in typesof(/datum/seed)-/datum/seed)