diff --git a/Content.Server/Botany/Components/PlantHolderComponent.cs b/Content.Server/Botany/Components/PlantHolderComponent.cs
index 6f716e5f1c..bc95c41726 100644
--- a/Content.Server/Botany/Components/PlantHolderComponent.cs
+++ b/Content.Server/Botany/Components/PlantHolderComponent.cs
@@ -588,6 +588,8 @@ namespace Content.Server.Botany.Components
                 var light = _entMan.EnsureComponent<PointLightComponent>(Owner);
                 light.Radius = Seed.BioluminescentRadius;
                 light.Color = Seed.BioluminescentColor;
+                light.CastShadows = false; // this is expensive, and botanists make lots of plants
+                light.Dirty();
             }
             else
             {
diff --git a/Content.Server/Botany/Systems/BotanySystem.Seed.cs b/Content.Server/Botany/Systems/BotanySystem.Seed.cs
index 7e6d7df2f3..0e5a1ad52c 100644
--- a/Content.Server/Botany/Systems/BotanySystem.Seed.cs
+++ b/Content.Server/Botany/Systems/BotanySystem.Seed.cs
@@ -167,6 +167,8 @@ public sealed partial class BotanySystem
                 var light = EnsureComp<PointLightComponent>(entity);
                 light.Radius = proto.BioluminescentRadius;
                 light.Color = proto.BioluminescentColor;
+                light.CastShadows = false; // this is expensive, and botanists make lots of plants
+                light.Dirty();
             }
 
             if (proto.Slip)