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Florida Water StarSM Technical Manual

Landscape criteria

General practices for a Florida Water StarSM landscape design

Evapotranspiration Diagram

Less evapotranspiration occurs in shaded areas.

Increasing shade from trees

Background

Florida Water StarSM gives credit for landscapes that have a tree canopy that provides shading to a significant portion of the landscape, which can substantially reduce on-site evapotranspiration (ET).

Requirements and certification

Trees will provide shade to a percentage of the total landscaped area at maturity.

Percentage

Silver

Gold

Commercial/​Institutional

50

NA

20

NA

40

NA

15

NA

30

Required

Required

NA

This practice pertains to all trees on the lot, recently planted or existing. Landscape designers and certifiers should use the waterwise plant database, or comparable reference, to assess the mature shade area of the trees.

This practice does not give credit to overlapping portions of tree canopies or to the portions of canopies that provide shade beyond lot boundaries to adjacent lots.

Shade Tree Example

Shade tree example — The darker green areas count towards points; the overhanging faded green areas do not. It might be better to focus on a small area, include a specific radius, and have an actual calculation.

St. Johns River Water Management District
4049 Reid Street, Palatka, FL 32177
800-725-5922