Hylocereus undatus
Hylocereus undatus
white-fleshed pitahaya
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Taxonomy
Family Cactaceae · Genus Hylocereus
Common Names
white-fleshed pitahayadragon fruitpitaya
Context
nativeRegion
Native to southern Mexico, Central America, and northern South America.
usdaZones
10–12
companionPlants
Other epiphytic cacti, Orchids, Bromeliads
culturalUses
Cultivated commercially for its edible fruit known as dragon fruit or pitaya; used ornamentally and for living fences.
Care
Care Requirements
LightFull sun to partial shade; thrives with at least 6 hours of direct sunlight daily.
WateringWater deeply but allow soil to mostly dry between waterings; drought tolerant but responds well to regular moisture during the growing season.
SoilWell-draining sandy or loamy soils; prefers slightly acidic to neutral pH (5.5–7).
FertilizerFeed monthly during the growing season with a balanced, diluted fertilizer.
HumidityPrefers moderate humidity but tolerates dry conditions.
TemperatureOptimal temperatures are 18–30°C (65–86°F); not frost tolerant.
Growth & Life Cycle
HabitClimbing cactus, often epiphytic, uses aerial roots to support itself.
Mature Size2–5 meters (6–16 feet) long; may sprawl or climb depending on support.
Growth RateModerate to fast-growing under optimal conditions.
BloomingNocturnal, large white flowers bloom in summer; flowers are fragrant and pollinated by moths or bats.
DormancyRest period in cooler months with reduced watering.
Propagation
MethodsStem cuttings, Seeds
DifficultyEasy to moderate (stem cuttings are most reliable).
Best SeasonSpring to early summer for stem cuttings.
Maintenance & Notes
PruningPrune malformed or crowded stems to encourage airflow and light penetration.
RepottingRepot every 2–3 years or when outgrowing its space.
Pests & DiseasesSusceptible to mealybugs, scale, and root rot if overwatered.
ToxicityNon-toxic to humans and pets.
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