diff --git a/lignumis/prototypes/content/gold/stromatolite.lua b/lignumis/prototypes/content/gold/stromatolite.lua
index a2b621e..598f5d8 100644
--- a/lignumis/prototypes/content/gold/stromatolite.lua
+++ b/lignumis/prototypes/content/gold/stromatolite.lua
@@ -161,6 +161,7 @@ plant.autoplace = {
     probability_expression = "0",
     tile_restriction = { "natural-gold-soil" }
 }
+plant.surface_conditions[1].min = 900
 
 local seed = {
     type = "item",