Euphorbia lactea
Euphorbia lactea
Crested Euphorbia
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Taxonomy
Family Euphorbiaceae · Genus Euphorbia
Common Names
Crested EuphorbiaCoral CactusCrested Elkhorn'Cristata'
Context
nativeRegion
Tropical Asia, especially India and Sri Lanka.
usdaZones
10–11
companionPlants
Other succulents, Cacti, Sansevieria
culturalUses
Used ornamentally; sap sometimes used in traditional folk remedies but is toxic.
Care
Care Requirements
LightBright, indirect sunlight or partial direct sun.
WateringAllow soil to dry out between waterings; water sparingly.
SoilWell-draining, sandy or cactus potting mix.
FertilizerFeed monthly with balanced, diluted fertilizer during growing season (spring-summer).
HumidityTolerates normal indoor humidity; prefers dry air.
TemperaturePrefers 15–29°C (60–85°F); protect from frost.
Growth & Life Cycle
HabitUpright, branching succulent with thick, angular stems.
Mature SizeUp to 1.5–3 meters (5–10 feet) tall.
Growth RateModerate growth rate.
BloomingRarely blooms indoors; small, inconspicuous flowers when mature.
DormancyDormant in cooler months; growth slows in winter.
Propagation
MethodsStem cuttings
DifficultyModerately easy; use care due to milky, toxic sap.
Best SeasonSpring or early summer.
Maintenance & Notes
PruningPrune to maintain shape and remove damaged stems.
RepottingRepot every 2–3 years or when root-bound.
Pests & DiseasesWatch for mealybugs, spider mites, root rot if overwatered.
ToxicityHighly toxic (caustic latex sap); keep away from children and pets.
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