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Swamp sunflower (Helianthus angustifolius) Care Guide
Care guide for Swamp sunflower: light, watering, humidity, soil and temperature, based on the species' botanical profile.
📷 Rich Sommer · CC BY 4.0 · GBIF/iNaturalist
Care at a glance
LightPlenty of light; some direct sun is tolerated.
WaterWater roughly every 10 days, let the top 2-3 cm of soil dry out between waterings. Tolerates the occasional missed watering.
HumidityModerate to high humidity (30-60%).
TemperatureTypical indoor temperatures (16-26 °C / 60-79 °F); protect from frost.
SoilWell-draining mix, slightly acidic to neutral pH (4.0-7.0).
Growthmoderate growth. Mature height ~1.7 m (5.6 ft).
Origin
Native to: Alabama, Arkansas, Florida, Georgia, Indiana, Iowa.
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