How to get rid of aphids and squash beetles organically

Ms. M
by Ms. M
Hi! Each year I struggle with aphids! The decimate my roses!! My pumpkins and cucumbers were killed by beetles! I really want to get rid of all the chemicals and become healthy thru organic foods! Help! Thank you!! :-D
This is an example of what's happening to my roses! Only there are probably 2x the amount on each rose bud!
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