Peperomia maculosa
Peperomia maculosa
Radiator Plant
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Taxonomy
Family Gesneriaceae · Genus Peperomia
Common Names
Radiator PlantPeperomia
Context
nativeRegion
Atlantic rainforest, Brazil
usdaZones
10-12 (grown as a houseplant outside these zones)
companionPlants
African Violets (Saintpaulia), Begonias, Peperomia
culturalUses
Primarily grown as an ornamental foliage plant, especially in terrariums or as a houseplant.
Care
Care Requirements
LightBright, indirect light; avoid direct sun, which can scorch leaves.
WateringKeep soil consistently moist but not soggy; water when the top inch feels dry.
SoilWell-draining, loose potting mix, ideally with perlite and peat moss.
FertilizerDiluted balanced liquid fertilizer every 4-6 weeks during spring and summer.
HumidityPrefers high humidity (50% or higher); thrives with regular misting or in a terrarium.
Temperature18-24°C (65-75°F); protect from drafts and cold.
Growth & Life Cycle
HabitTufted, low-growing perennial with a clumping habit.
Mature SizeUp to 15 cm (6 in) tall and wide.
Growth RateModerate growth rate.
BloomingSmall lavender or violet tubular flowers over spring to fall; grown mainly for foliage.
DormancyMay go dormant if temperatures drop significantly or if kept too dry.
Propagation
MethodsLeaf cuttings, Division, Seed
DifficultyModerate
Best SeasonSpring and early summer
Maintenance & Notes
PruningTrim dead or damaged leaves to encourage new growth.
RepottingRepot every 2-3 years or when rootbound in early spring.
Pests & DiseasesSusceptible to mealybugs, aphids, root rot if overwatered.
ToxicityNon-toxic to pets and humans.
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