diff --git a/code/modules/hydroponics/grown/berries.dm b/code/modules/hydroponics/grown/berries.dm
index 5f457d83d27..697c7eb41ee 100644
--- a/code/modules/hydroponics/grown/berries.dm
+++ b/code/modules/hydroponics/grown/berries.dm
@@ -68,8 +68,10 @@
 	lifespan = 30
 	potency = 50
 	mutatelist = null
+	genes = list(/datum/plant_gene/trait/repeated_harvest, /datum/plant_gene/trait/tox_resistance)
 	reagents_add = list(/datum/reagent/toxin/coniine = 0.08, /datum/reagent/toxin/staminatoxin = 0.1, /datum/reagent/consumable/nutriment/vitamin = 0.04, /datum/reagent/consumable/nutriment = 0.1)
 	rarity = 30
+	graft_gene = /datum/plant_gene/trait/tox_resistance
 
 /obj/item/food/grown/berries/death
 	seed = /obj/item/seeds/berry/death
diff --git a/code/modules/hydroponics/hydroponics.dm b/code/modules/hydroponics/hydroponics.dm
index 104c4e4384c..8eda5c23fab 100644
--- a/code/modules/hydroponics/hydroponics.dm
+++ b/code/modules/hydroponics/hydroponics.dm
@@ -333,20 +333,26 @@
 //Toxins/////////////////////////////////////////////////////////////////
 
 			// Too much toxins cause harm, but when the plant drinks the contaiminated water, the toxins disappear slowly
-			if(toxic >= 40 && toxic < 80)
-				adjust_plant_health(-1 / rating)
-				adjust_toxic(-rating * 2)
-			else if(toxic >= 80) // I don't think it ever gets here tbh unless above is commented out
-				adjust_plant_health(-3)
-				adjust_toxic(-rating * 3)
+			if(toxic >= 10)
+				if(myseed.get_gene(/datum/plant_gene/trait/plant_type/toxin_adaptation))
+					adjust_plant_health(round(toxic / rand(10, 16)))
+					myseed.adjust_potency(round(toxic / rand(20, 30)))
+
+				else if(toxic >= 40 && !myseed.get_gene(/datum/plant_gene/trait/tox_resistance))
+					if(toxic < 80)
+						adjust_plant_health(-1 / rating)
+						adjust_toxic(-rating * 2)
+					else
+						adjust_plant_health(-3)
+						adjust_toxic(-rating * 3)
 
 //Pests & Weeds//////////////////////////////////////////////////////////
 
 			if(pestlevel >= 8)
 				if(!myseed.get_gene(/datum/plant_gene/trait/carnivory))
 					if(myseed.potency >= 30)
-						myseed.adjust_potency(-rand(2,6)) //Pests eat leaves and nibble on fruit, lowering potency.
-						myseed.set_potency(min((myseed.potency), CARNIVORY_POTENCY_MIN, MAX_PLANT_POTENCY))
+						// Pests eat leaves and nibble on fruit, lowering potency.
+						myseed.set_potency(min(myseed.potency - rand(2, 6), CARNIVORY_POTENCY_MIN))
 				else
 					adjust_plant_health(2 / rating)
 					adjust_pestlevel(-1 / rating)
@@ -354,8 +360,7 @@
 			else if(pestlevel >= 4)
 				if(!myseed.get_gene(/datum/plant_gene/trait/carnivory))
 					if(myseed.potency >= 30)
-						myseed.adjust_potency(-rand(1,4))
-						myseed.set_potency(min((myseed.potency), CARNIVORY_POTENCY_MIN, MAX_PLANT_POTENCY))
+						myseed.set_potency(min(myseed.potency - rand(1, 4) , CARNIVORY_POTENCY_MIN))
 
 				else
 					adjust_plant_health(1 / rating)
@@ -399,7 +404,7 @@
 
 			// If the plant is too old, lose health fast
 			if(age > myseed.lifespan)
-				adjust_plant_health(-rand(1,5) / rating)
+				adjust_plant_health(-rand(1, 5) / rating)
 
 			// Harvest code
 			if(age > myseed.production && (age - lastproduce) > myseed.production && plant_status == HYDROTRAY_PLANT_GROWING)
@@ -713,19 +718,21 @@
 	addtimer(CALLBACK(src, PROC_REF(after_mutation), message), 0.5 SECONDS)
 
 /obj/machinery/hydroponics/proc/mutateweed() // If the weeds gets the mutagent instead. Mind you, this pretty much destroys the old plant
-	if( weedlevel > 5 )
-		set_seed(null)
-		var/newWeed = pick(/obj/item/seeds/liberty, /obj/item/seeds/angel, /obj/item/seeds/nettle/death, /obj/item/seeds/kudzu)
-		set_seed(new newWeed(src))
-		hardmutate()
-		set_plant_health(myseed.endurance, update_icon = FALSE)
-		lastcycle = world.time
-		set_weedlevel(0, update_icon = FALSE) // Reset
+	if(weedlevel <= 5)
+		visible_message(span_warning("The few weeds in [src] seem to react, but only for a moment..."))
+		return
+
+	set_seed(null)
+	var/newWeed = pick(/obj/item/seeds/liberty, /obj/item/seeds/angel, /obj/item/seeds/nettle/death, /obj/item/seeds/kudzu)
+	set_seed(new newWeed(src))
+	hardmutate()
+	set_plant_health(myseed.endurance, update_icon = FALSE)
+	lastcycle = world.time
+	set_weedlevel(0, update_icon = FALSE) // Reset
+
+	var/message = span_warning("The mutated weeds in [src] spawn some [myseed.plantname]!")
+	addtimer(CALLBACK(src, PROC_REF(after_mutation), message), 0.5 SECONDS)
 
-		var/message = span_warning("The mutated weeds in [src] spawn some [myseed.plantname]!")
-		addtimer(CALLBACK(src, PROC_REF(after_mutation), message), 0.5 SECONDS)
-	else
-		to_chat(usr, span_warning("The few weeds in [src] seem to react, but only for a moment..."))
 /**
  * Called after plant mutation, update the appearance of the tray content and send a visible_message()
  */
@@ -785,14 +792,18 @@
  * When a tray is mutated with high pest values, it will spawn spiders.
  * * User - Person who last added chemicals to the tray for logging purposes.
  */
-/obj/machinery/hydroponics/proc/mutatepest(mob/user)
-	if(pestlevel > 5)
+/obj/machinery/hydroponics/proc/mutatepest()
+	if(pestlevel <= 5)
+		visible_message(span_warning("The pests seem to behave oddly in [src], but quickly settle down..."))
+		return
+
+	var/mob/user = lastuser?.resolve()
+	if(!isnull(user))
 		message_admins("[ADMIN_LOOKUPFLW(user)] last altered a hydro tray's contents which spawned spiderlings.")
 		user.log_message("last altered a hydro tray, which spiderlings spawned from.", LOG_GAME)
-		visible_message(span_warning("The pests seem to behave oddly..."))
-		spawn_atom_to_turf(/mob/living/basic/spider/growing/spiderling/hunter, src, 3, FALSE)
-	else if(myseed)
-		visible_message(span_warning("The pests seem to behave oddly in [myseed.name] tray, but quickly settle down..."))
+
+	visible_message(span_warning("The pests seem to behave oddly..."))
+	spawn_atom_to_turf(/mob/living/basic/spider/growing/spiderling/hunter, src, 3, FALSE)
 
 /obj/machinery/hydroponics/wrench_act(mob/living/user, obj/item/tool)
 	. = ..()
diff --git a/code/modules/hydroponics/hydroponics_chemreact.dm b/code/modules/hydroponics/hydroponics_chemreact.dm
index 0af7c258f8f..8e10cbb04dc 100644
--- a/code/modules/hydroponics/hydroponics_chemreact.dm
+++ b/code/modules/hydroponics/hydroponics_chemreact.dm
@@ -26,22 +26,32 @@
 			src.reagents.add_reagent(reagent.type, reagents[reagent])
 	update_appearance()
 
-/obj/machinery/hydroponics/proc/mutation_roll(mob/user)
-	switch(rand(100))
-		if(91 to 100)
-			adjust_plant_health(-10)
+/// Called when a radioactive reagent is applied to the tray
+/obj/machinery/hydroponics/proc/radioactive_exposure(modifier = 1)
+	if(isnull(myseed))
+		return
+
+	if(prob(min(75, 25 * modifier)))
+		myseed.adjust_instability(round(2 * modifier))
+		adjust_toxic(round(1.5 * modifier)) // It is still toxic, mind you
+		return
+
+	switch(rand(0, 50))
+		if(41 to 50)
+			adjust_plant_health(round(-5 * modifier))
 			visible_message(span_warning("\The [myseed.plantname] starts to wilt and burn!"))
-			return
-		if(41 to 90)
-			if(myseed && !self_sustaining) //Stability
-				myseed.adjust_instability(5)
-				return
+
 		if(21 to 40)
 			visible_message(span_notice("\The [myseed.plantname] appears unusually reactive..."))
-			return
+
 		if(11 to 20)
-			mutateweed()
-			return
+			if(modifier >= 0.5)
+				mutateweed()
+			else
+				adjust_weedlevel(max(1, round(modifier)))
+
 		if(0 to 10)
-			mutatepest(user)
-			return
+			if(modifier >= 0.5)
+				mutatepest()
+			else
+				adjust_pestlevel(max(1, round(modifier)))
diff --git a/code/modules/hydroponics/plant_genes.dm b/code/modules/hydroponics/plant_genes.dm
index 4437353b1d3..0844708b3ff 100644
--- a/code/modules/hydroponics/plant_genes.dm
+++ b/code/modules/hydroponics/plant_genes.dm
@@ -958,6 +958,13 @@
 	if(istype(grown_plant))
 		grown_plant.preserved_food = TRUE
 
+/// Ignores tox damage
+/datum/plant_gene/trait/tox_resistance
+	name = "Toxin Resistance"
+	description = "It is immune to the negative effects of a toxic environment."
+	icon = FA_ICON_SKULL_CROSSBONES
+	mutability_flags = PLANT_GENE_REMOVABLE | PLANT_GENE_MUTATABLE | PLANT_GENE_GRAFTABLE
+
 /datum/plant_gene/trait/carnivory
 	name = "Obligate Carnivory"
 	description = "Pests have positive effect on the plant health."
@@ -981,6 +988,12 @@
 	description = "It is a mushroom that needs no water, less light and can't be overtaken by weeds."
 	icon = FA_ICON_DROPLET_SLASH
 
+/// A plant that thrives in toxic environments.
+/datum/plant_gene/trait/plant_type/toxin_adaptation
+	name = "Toxin Adaptation"
+	description = "It is a toxic plant that thrives in poisonous environments."
+	icon = FA_ICON_SKULL_CROSSBONES
+
 /// Currently unused and does nothing. Appears in strange seeds.
 /datum/plant_gene/trait/plant_type/alien_properties
 	name ="?????"
@@ -1002,4 +1015,3 @@
 	description = "A plant that needs the firm embrace of soil to develop properly, produces small irregular produce when grown hydroponically."
 	icon =  FA_ICON_MOUND
 	mutability_flags = PLANT_GENE_REMOVABLE | PLANT_GENE_MUTATABLE | PLANT_GENE_GRAFTABLE
-
diff --git a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
index 5354662a390..c5357772f04 100644
--- a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
@@ -60,7 +60,7 @@
 		if(33 to 65)
 			mytray.mutateweed()
 		if(1 to 32)
-			mytray.mutatepest(user)
+			mytray.mutatepest()
 		else
 			if(prob(20))
 				mytray.visible_message(span_warning("Nothing happens..."))
diff --git a/code/modules/reagents/chemistry/reagents/other_reagents.dm b/code/modules/reagents/chemistry/reagents/other_reagents.dm
index e55e1b33b32..70685934419 100644
--- a/code/modules/reagents/chemistry/reagents/other_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/other_reagents.dm
@@ -1205,9 +1205,9 @@
 
 //Mutagenic chem side-effects.
 /datum/reagent/uranium/on_hydroponics_apply(obj/machinery/hydroponics/mytray, mob/user)
-	mytray.mutation_roll(user)
-	mytray.adjust_plant_health(-round(volume))
-	mytray.adjust_toxic(round(volume / tox_damage)) // more damage = more
+	mytray.radioactive_exposure(modifier = volume * 0.1)
+	mytray.myseed?.adjust_instability(round(volume * 0.1))
+	mytray.adjust_toxic(round(0.5 * volume * tox_damage))
 
 /datum/reagent/uranium/radium
 	name = "Radium"
diff --git a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
index 0d6988abb69..944fcac731f 100644
--- a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
@@ -71,8 +71,8 @@
 		return UPDATE_MOB_HEALTH
 
 /datum/reagent/toxin/mutagen/on_hydroponics_apply(obj/machinery/hydroponics/mytray, mob/user)
-	mytray.mutation_roll(user)
-	mytray.adjust_toxic(3) //It is still toxic, mind you, but not to the same degree.
+	mytray.radioactive_exposure(modifier = volume * 0.1)
+	mytray.myseed?.adjust_instability(round(volume * 0.2))
 
 /datum/reagent/toxin/mutagen/used_on_fish(obj/item/fish/fish)
 	ADD_TRAIT(fish, TRAIT_FISH_MUTAGENIC, type)