These city guides compare local 1991–2020 NASA POWER climate normals with a CHELSA Climate DNA sampled at quality-filtered GBIF records for Philodendron hederaceum. The outdoor score and the indoor care-pressure calendar answer different questions: whether outdoor macroclimate overlaps the plant’s recorded native climate, and when a local potted plant may need closer observation.

City Outdoor match Interpretation Fully suitable normal window
Perth 60/100 limited outdoor match Indoor-first
Sydney 60/100 limited outdoor match March–April
Toronto 40/100 indoor-first climate July–August
Montreal 35/100 indoor-first climate Indoor-first
Munich 35/100 indoor-first climate Indoor-first
London 30/100 indoor-first climate Indoor-first
Paris 30/100 indoor-first climate Indoor-first
Berlin 25/100 indoor-first climate Indoor-first
Manchester 25/100 indoor-first climate Indoor-first
Edinburgh 20/100 indoor-first climate Indoor-first

Scores are rounded to the nearest five and are not survival probabilities. For species-level basics, read the complete Heartleaf Philodendron indoor care guide.