Do Deleted Texts Stay on iCloud?

In a word, if you mistakenly deleted text messages after making a backup with iCloud, fortunately, the answer is YES, iCloud backed up your deleted text messages.

Does iCloud save text messages that were deleted?

Once you delete a message, you can't get it back. If you don't need to keep your conversations up to date across your devices, you can turn off the Messages in iCloud feature. If you turn off Messages in iCloud on an iPhone or iPad, your message history is included in a separate iCloud backup.

How long do deleted messages stay in iCloud?

Deleted messages are moved to the Trash mailbox. When you delete a message, it's saved in your Trash for 30 days, after which it's permanently erased.