diff --git a/plants_lib/init.lua b/plants_lib/init.lua
index 604f2ef..c6abf93 100644
--- a/plants_lib/init.lua
+++ b/plants_lib/init.lua
@@ -92,6 +92,7 @@ end
 
 function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or_model)
 	return function(minp, maxp, blockseed)
+	        plantslib:dbg("Started this chunk at "..os.clock())
 
 		local biome = biomedef
 		plantslib:set_defaults(biome)
@@ -185,7 +186,7 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
 				end
 			end
 		end
-		plantslib:dbg("Finished checking generated area.")
+                plantslib:dbg("Finished this chunk at "..os.clock())
 	end
 end
 
@@ -419,13 +420,17 @@ end
 -- into it.
 
 function plantslib:generate_tree(pos, node_or_function_or_model)
+	plantslib:dbg("Started this tree at "..os.clock())
 	minetest.env:spawn_tree(pos, node_or_function_or_model)
+	plantslib:dbg("Finished at "..os.clock())
 end
 
 -- and this one's for the call used in the growing code
 
 function plantslib:grow_tree(pos, node_or_function_or_model)
+	plantslib:dbg("Started this tree at "..os.clock())
 	minetest.env:spawn_tree(pos, node_or_function_or_model)
+	plantslib:dbg("Finished at "..os.clock())
 end