Any project with vegetated landscaping, including exterior planters, must establish a plan for minimizing the use of chemical fertilizers. Strategies include:landscaping with native or adapted plants,using organic or natural fertilizers,and maintaining so

Any project with vegetated landscaping, including exterior planter boxes, must establish a plan for minimizing the use of chemical fertilizers. Strategies include:

• landscaping with native or adapted plants,
• using organic or natural fertilizers,
• fertilizing based on need, rather than on a pre-determined schedule,
• and maintaining soil health to limit the need for chemical fertilizers.