Kill the evil plants that infest Hakunin's garden

Kill the evil plants that infest Hakunin's garden is a quest in Fallout 2.

Background
This quest can be received from Hakunin in Arroyo. He can be found be asking the tribes people where they can find him, but his is the furthest tent back. His garden is being ruined by spore plants, and he wants them cleared out. He asks the Chosen One for help. The garden he speaks of is the closest one to the back of his tent.

The only way to solve this quest is by killing the plants in combat.

Hints
The spore plants do little damage with their ranged attacks, so either defeat them at a distance or hit them up close and move back at least three hexes in the same turn.

Reward

 * 100 EXP and 2 healing powders
 * Hakunin will mix up healing powders for the Chosen One if the correct ingredients are brought to him (Xander Root and Broc Flower). These can be collected from the hunting grounds to the west of Arroyo Village.