diff --git a/mods/cnc/rules/trees.yaml b/mods/cnc/rules/trees.yaml
index de6acff067..371bce46a8 100644
--- a/mods/cnc/rules/trees.yaml
+++ b/mods/cnc/rules/trees.yaml
@@ -4,6 +4,7 @@ SPLIT2:
 		ResourceType: Tiberium
 		Interval: 55
 	WithIdleAnimation:
+		Interval: 500, 1000
 
 SPLIT3:
 	Inherits: ^TibTree
@@ -13,6 +14,7 @@ SPLIT3:
 		ResourceType: Tiberium
 		Interval: 55
 	WithIdleAnimation:
+		Interval: 500, 1000
 
 SPLITBLUE:
 	Inherits: ^TibTree
@@ -22,6 +24,7 @@ SPLITBLUE:
 		ResourceType: BlueTiberium
 		Interval: 110
 	WithIdleAnimation:
+		Interval: 500, 1000
 	Tooltip:
 		Name: Blossom Tree (blue)
 	RadarColorFromTerrain:
diff --git a/mods/ts/rules/defaults.yaml b/mods/ts/rules/defaults.yaml
index bd2fda37da..7d71119043 100644
--- a/mods/ts/rules/defaults.yaml
+++ b/mods/ts/rules/defaults.yaml
@@ -1008,6 +1008,7 @@
 		ResourceType: Tiberium
 		Interval: 55
 	WithIdleAnimation:
+		Interval: 500, 1000
 	MapEditorData:
 		Categories: Resource spawn