diff --git a/code/__DEFINES/botany.dm b/code/__DEFINES/botany.dm
index d2e4d4e739c..f5c20b91c05 100644
--- a/code/__DEFINES/botany.dm
+++ b/code/__DEFINES/botany.dm
@@ -3,6 +3,7 @@
 #define YIELD_WEED_MINIMUM 3
 #define YIELD_WEED_MAXIMUM 10
 #define STATIC_NUTRIENT_CAPACITY 10
+#define GENE_SHEAR_MIN_HEALTH 15
 
 //Both available scanning modes for the plant analyzer.
 #define PLANT_SCANMODE_STATS		0
diff --git a/code/modules/hydroponics/hydroponics.dm b/code/modules/hydroponics/hydroponics.dm
index 90c86cbbd7b..569b62d4268 100644
--- a/code/modules/hydroponics/hydroponics.dm
+++ b/code/modules/hydroponics/hydroponics.dm
@@ -657,7 +657,7 @@
 		if(!myseed)
 			to_chat(user, "<span class='notice'>The tray is empty.</span>")
 			return
-		if(plant_health <= 15)
+		if(plant_health <= GENE_SHEAR_MIN_HEALTH)
 			to_chat(user, "<span class='notice'>This plant looks too unhealty to be sheared right now.</span>")
 			return
 
@@ -673,6 +673,10 @@
 			return
 		if(!user.canUseTopic(src, BE_CLOSE))
 			return
+		if(!myseed)
+			return
+		if(plant_health <= GENE_SHEAR_MIN_HEALTH) //Check health again to make sure they're not keeping inputs open to get free shears.
+			return
 		for(var/datum/plant_gene/gene in myseed.genes)
 			if(gene.name == removed_trait)
 				if(myseed.genes.Remove(gene))