diff --git a/code/__HELPERS/type2type.dm b/code/__HELPERS/type2type.dm
index 216a45ee1c..36fa534fa9 100644
--- a/code/__HELPERS/type2type.dm
+++ b/code/__HELPERS/type2type.dm
@@ -49,7 +49,7 @@
 	var/n     = 1
 
 	// Figure out power. (power of 2)
-	while (n < num)
+	while (n <= num)
 		power += 4
 		n     *= 16
 
@@ -60,7 +60,7 @@
 		power -= 4
 
 	// Append zeroes to make sure that hex is atleast digits long.
-	var/left = length(hex) - digits
+	var/left = digits - length(hex)
 	while (left-- > 0)
 		hex = text("0[]", hex)
 
diff --git a/code/modules/hydroponics/spreading/spreading.dm b/code/modules/hydroponics/spreading/spreading.dm
index 87894c6d73..cea1353573 100644
--- a/code/modules/hydroponics/spreading/spreading.dm
+++ b/code/modules/hydroponics/spreading/spreading.dm
@@ -62,6 +62,7 @@
 	var/list/neighbors = list()
 	var/obj/effect/plant/parent
 	var/datum/seed/seed
+	var/sampled = 0
 	var/floor = 0
 	var/spread_chance = 40
 	var/spread_distance = 3
@@ -237,8 +238,14 @@
 	plant_controller.add_plant(src)
 
 	if(istype(W, /obj/item/weapon/wirecutters) || istype(W, /obj/item/weapon/scalpel))
+		if(sampled)
+			user << "<span class='warning'>\The [src] has already been sampled recently.</span>"
+			return
+		if(!is_mature())
+			user << "<span class='warning'>\The [src] is not mature enough to yield a sample yet.</span>"
+			return
 		if(!seed)
-			user << "<span class='danger'>There is nothing to take a sample from.</span>"
+			user << "<span class='warning'>There is nothing to take a sample from.</span>"
 			return
 		if(sampled)
 			user << "<span class='danger'>You cannot take another sample from \the [src].</span>"
@@ -246,7 +253,8 @@
 		if(prob(70))
 			sampled = 1
 		seed.harvest(user,0,1)
-		health -= (rand(3,5)*10)
+		health -= (rand(3,5)*5)
+		sampled = 1
 	else
 		..()
 		if(W.force)
diff --git a/code/modules/hydroponics/spreading/spreading_growth.dm b/code/modules/hydroponics/spreading/spreading_growth.dm
index 80b55b7227..0b8ead0476 100644
--- a/code/modules/hydroponics/spreading/spreading_growth.dm
+++ b/code/modules/hydroponics/spreading/spreading_growth.dm
@@ -69,6 +69,12 @@
 		last_tick = world.time
 		update_neighbors()
 
+	if(sampled)
+		//Should be between 2-7 for given the default range of values for TRAIT_PRODUCTION
+		var/chance = max(1, round(30/seed.get_trait(TRAIT_PRODUCTION)))
+		if(prob(chance))
+			sampled = 0
+
 	if(is_mature() && neighbors.len && prob(spread_chance))
 		//spread to 1-3 adjacent turfs depending on yield trait.
 		var/max_spread = between(1, round(seed.get_trait(TRAIT_YIELD)*3/14), 3)
diff --git a/code/modules/hydroponics/trays/tray.dm b/code/modules/hydroponics/trays/tray.dm
index 7726775a1d..d397138317 100644
--- a/code/modules/hydroponics/trays/tray.dm
+++ b/code/modules/hydroponics/trays/tray.dm
@@ -260,7 +260,6 @@
 		seed.harvest(user,yield_mod)
 	else
 		seed.harvest(get_turf(src),yield_mod)
-
 	// Reset values.
 	harvest = 0
 	lastproduce = age
@@ -292,6 +291,7 @@
 	mutation_mod = 0
 
 	user << "You remove the dead plant."
+	lastproduce = 0
 	check_health()
 	return
 
@@ -461,6 +461,7 @@
 				return
 
 			user << "You plant the [S.seed.seed_name] [S.seed.seed_noun]."
+			lastproduce = 0
 			seed = S.seed //Grab the seed datum.
 			dead = 0
 			age = 1