وَحَدَآئِقَ غُلْبًا
Sentence structure
حَدَآئِقَ is another coordinated accusative noun, and غُلْبًا is its accusative adjective.
Ayah summary
And He grew densely planted gardens.
وَحَدَآئِقَ — And gardens
Grammar: وَ is a conjunction. accusative noun functioning as the coordinated element.
غُلْبًۭا — (of) thick foliage
Grammar: accusative adjective functioning as the adjective.