SOMA · TENDERLOIN · CIVIC CENTER · DOWNTOWN ADJACENT
The densest, most paved parts of San Francisco create localized warmth — the urban heat island effect adds 3–5°F compared to surrounding neighborhoods. Gardens here are often in containers, raised beds, or narrow tree pits, with compacted or imported soils. Despite the challenging setting, the extra warmth opens up possibilities for California natives that need summer heat to truly perform.
