diff --git a/src/main/java/de/ellpeck/naturesaura/chunk/effect/PlantBoostEffect.java b/src/main/java/de/ellpeck/naturesaura/chunk/effect/PlantBoostEffect.java
index 2c590336..a8404637 100644
--- a/src/main/java/de/ellpeck/naturesaura/chunk/effect/PlantBoostEffect.java
+++ b/src/main/java/de/ellpeck/naturesaura/chunk/effect/PlantBoostEffect.java
@@ -27,8 +27,8 @@ public class PlantBoostEffect implements IDrainSpotEffect {
     public void update(World world, Chunk chunk, IAuraChunk auraChunk, BlockPos pos, MutableInt spot) {
         if (spot.intValue() <= 0)
             return;
-        int aura = IAuraChunk.getAuraInArea(world, pos, 25);
-        if (aura <= 0)
+        int aura = IAuraChunk.getAuraInArea(world, pos, 30);
+        if (aura < 15000)
             return;
         int amount = Math.min(45, Math.abs(aura) / 1000);
         if (amount <= 1)
diff --git a/src/main/resources/assets/naturesaura/patchouli_books/book/en_us/entries/effects/plant_boost.json b/src/main/resources/assets/naturesaura/patchouli_books/book/en_us/entries/effects/plant_boost.json
index 669588a3..6b3d38d7 100644
--- a/src/main/resources/assets/naturesaura/patchouli_books/book/en_us/entries/effects/plant_boost.json
+++ b/src/main/resources/assets/naturesaura/patchouli_books/book/en_us/entries/effects/plant_boost.json
@@ -10,7 +10,7 @@
         },
         {
             "type":"text",
-            "text":"Effects like these become apparent around the time that the meter of the $(l:items/eye)Environmental Eye$() fills up fully.$(br)This effect is known to only occur in the $(thing)overworld$()."
+            "text":"Effects like these become apparent around the time that the meter of the $(l:items/eye)Environmental Eye$() fills up by about three quarters.$(br)This effect is known to only occur in the $(thing)overworld$()."
         }
     ]
 }
\ No newline at end of file