Highlights: The science is real. Biophilic design isn’t just aesthetic — indoor plants measurably suppress the stress response, lower blood pressure, reduce depressive symptoms, and improve cognitive performance, with as little as 15 minutes of plant interaction making a measurable difference. Easy plants are actually better biophilic plants. A thriving, low-maintenance plant delivers more psychological benefit than a struggling, high-maintenance one. Choosing species suited to your real conditions beats chasing aspirational ones. Air purification is a genuine bonus. Plants like snake plants, pothos, peace lilies, and ZZ plants remove real indoor toxins — formaldehyde, benzene, toluene — making them functional…