It was part of a DairyNZ initiative aimed at empowering pupils to work together to restore local wetlands and waterways.
Outram school was given $500 to buy the plants and about 65 plants were planted. While farm staff helped dig the holes, some pupils did a "pretty good" job of digging them, Mrs Wells said.
The response from the children was "amazing" and they seemed to be very proud of their efforts.
"There was no mucking around ...
They all pitched in and got into it and worked really well. It was so nice to look at it afterwards," she said.