Prickly Pair: Another variant for Sudoku

Today's Video:

The constructor community creativity is incredible. Another variant that plays nothing quite like anything else I have come across yet.

Should remain approachable though with the 1* difficulty rating!

Link to Play:

Prickly Pair by Nordy https://tinyurl.com/SudokuSleuthPricklyPair

Rules:

Normal Sudoku rules apply.

The sum of the digits on a green cactus is less than or equal to every digit that shares an edge with it.

The difference between the digits on an orange cactus is greater than or equal to every digit that shares an edge with it.