diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 624e911bc..c26d11950 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -1907,7 +1907,9 @@ BattleScript_GrowthDoMoveAnim::
 	waitanimation
 	setbyte sSTAT_ANIM_PLAYED, FALSE
 	playstatchangeanimation BS_ATTACKER, BIT_ATK | BIT_SPATK, 0
+.if B_GROWTH_UNDER_SUN >= GEN_5
 	jumpifweatheraffected BS_ATTACKER, B_WEATHER_SUN, BattleScript_GrowthAtk2
+.endif
 	setstatchanger STAT_ATK, 1, FALSE
 	goto BattleScript_GrowthAtk
 BattleScript_GrowthAtk2:
@@ -1918,7 +1920,9 @@ BattleScript_GrowthAtk:
 	printfromtable gStatUpStringIds
 	waitmessage B_WAIT_TIME_LONG
 BattleScript_GrowthTrySpAtk::
+.if B_GROWTH_UNDER_SUN >= GEN_5
 	jumpifweatheraffected BS_ATTACKER, B_WEATHER_SUN, BattleScript_GrowthSpAtk2
+.endif
 	setstatchanger STAT_SPATK, 1, FALSE
 	goto BattleScript_GrowthSpAtk
 BattleScript_GrowthSpAtk2:
diff --git a/include/constants/battle_config.h b/include/constants/battle_config.h
index 9715e802f..29ecf2135 100644
--- a/include/constants/battle_config.h
+++ b/include/constants/battle_config.h
@@ -171,6 +171,7 @@
 #define B_WISH_HP_SOURCE            GEN_7 // In Gen5+, Wish heals half of the user's max HP instead of the target's.
 #define B_RAMPAGE_CANCELLING        GEN_7 // In Gen5+, a failed Thrash, etc, will cancel except on its last turn.
 #define B_ROOTED_GROUNDING          GEN_7 // In Gen4+, Ingrain causes the affected Pokémon to become grounded.
+#define B_GROWTH_UNDER_SUN          GEN_7 // In Gen5+, Growth's effects are doubled when under the effects of the sun.
 
 // Ability settings
 #define B_EXPANDED_ABILITY_NAMES    TRUE  // If TRUE, ability names are increased from 12 characters to 16 characters.