Water: Average levels of watering is required. When you do water make sure you aim to get all of the compost evenly moist, then wait until it has dried out some before watering again.
Temperature: These plants really prefer semi shade areas. Avoid cold drafts and temperatures below 55 F, if possible.
Soil: ZZ Plant like a rich, loose potting soil containing plenty of organic material.
Fertilizer: Feed weekly in the summer or use slow-release pellets at the beginning of the season.