Watering:
Watering regularly throughout the growing season and less during the winter season.
Fertilizer:
Fertilize the plant with compost during spring season.
Re-potting:
Re-pot with fresh potting soil and some fertilizer when it outgrows from the plant.
Temperature:
Kochia Scoparia is a cold-tolerant species that germinates well in a wide thermal range between 4 and 41 degree Celsius.