diff --git a/code/modules/hydroponics/grown.dm b/code/modules/hydroponics/grown.dm
index c83be1a3a7a..4769153e1fd 100644
--- a/code/modules/hydroponics/grown.dm
+++ b/code/modules/hydroponics/grown.dm
@@ -182,3 +182,11 @@
 		user.put_in_hands(T)
 		to_chat(user, "<span class='notice'>You open [src]\'s shell, revealing \a [T].</span>")
 	qdel(src)
+
+// Diona Nymphs can eat these as well as weeds to gain nutrition.
+/obj/item/reagent_containers/food/snacks/grown/attack_animal(mob/living/simple_animal/M)
+	if(isnymph(M))
+		var/mob/living/simple_animal/diona/D = M
+		D.consume(src)
+	else
+		return ..()
\ No newline at end of file
diff --git a/code/modules/mob/living/simple_animal/friendly/diona.dm b/code/modules/mob/living/simple_animal/friendly/diona.dm
index e8c108a11de..7d6f90b7d0d 100644
--- a/code/modules/mob/living/simple_animal/friendly/diona.dm
+++ b/code/modules/mob/living/simple_animal/friendly/diona.dm
@@ -202,6 +202,20 @@
 	qdel(src)
 	return TRUE
 
+// Consumes plant matter other than weeds to evolve
+/mob/living/simple_animal/diona/proc/consume(obj/item/reagent_containers/food/snacks/grown/G)
+	if(nutrition >= nutrition_need) // Prevents griefing by overeating plant items without evolving.
+		to_chat(src, "<span class='warning'>You're too full to consume this! Perhaps it's time to grow bigger...</span>")
+	else
+		if(do_after_once(src, 20, target = G))
+			visible_message("[src] ravenously consumes [G].", "You ravenously devour [G].")
+			playsound(loc, 'sound/items/eatfood.ogg', 30, 0, frequency = 1.5)
+			if(G.reagents.get_reagent_amount("nutriment") + G.reagents.get_reagent_amount("plantmatter") < 1)
+				adjust_nutrition(2)
+			else
+				adjust_nutrition((G.reagents.get_reagent_amount("nutriment") + G.reagents.get_reagent_amount("plantmatter")) * 2)
+			qdel(G)
+
 /mob/living/simple_animal/diona/proc/steal_blood()
 	if(stat != CONSCIOUS)
 		return FALSE