Final answer:
The correct clause to complete the sentence is Individuals who water it daily.
Step-by-step explanation:
The correct clause to complete the sentence is option C) Individuals who water it daily. This clause describes the specific group of people who would be able to grow the plant well by providing daily watering. The other options, A) Those with green thumbs and B) Anyone with gardening experience, do not provide specific information about the care required for the plant to grow well.