my plant went like this after thunderstorm

[wakeyno1]

my leaves on my plants turn like a rust color after that bad thunderstorm we had in uk after that hot weather ill upload some pic any help welcome

[TANKJR]

Check soil Ph. Might have gotten an acidic rain changed the Ph. It could've also washed out any nutes you had and may be lacking a specific nutrient, but ck Ph first and correct as needed.