two green walnuts grow on a tree with green leaves against a blue sky

walnut tree nut harvest plant agriculture background branch closeup farm farming food fresh fruit garden green grow healthy leaf natural summer orchard botanical growing health ingredient nutrition vegetarian vitamin white agricultural crop cultivated fall freshness harvesting heap kernel object organic path produce raw ripe season seasonal seed snack vegan group growth nature nutshell shell sun sunny husk autumn brown close couple cover design fat flora macro nobody open texture wood young baking crust detail graphic