Dischidia nummularia

String of nickels

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Taxonomy

Common Names

String of nickelsButton orchid

Context

nativeRegion

Southeast Asia (India, China, Indochina, Malaysia, Indonesia, Philippines, Australia).

usdaZones

10-12 (as a perennial outdoors); grown as a houseplant elsewhere.

companionPlants

Hoya, Orchids, Tillandsia (air plants), Ferns

culturalUses

Ornamental use in hanging baskets, terrariums, and as a living accent for vertical gardens or vivariums.

Care

LightBright, indirect light; can tolerate filtered sunlight but avoid harsh, direct sun.

WateringAllow the soil or substrate to dry out between waterings; water sparingly, especially in lower light or cooler conditions.

SoilEpiphytic orchid mix, sphagnum moss, or well-draining potting mix; prefers airy, loose media.

FertilizerFeed monthly during growing season (spring and summer) with a balanced, diluted fertilizer.

HumidityPrefers high humidity (50-80%); thrives with regular misting or in terrariums.

TemperatureOptimal range is 18-28°C (65-83°F); avoid exposure below 10°C (50°F).

HabitEpiphytic, trailing or creeping succulent vine with small, round, coin-like leaves.

Mature SizeStems up to 1-2 meters long; leaves around 1 cm across.

Growth RateModerate grower under suitable, warm and humid conditions.

BloomingProduces small, inconspicuous, whitish to yellowish flowers, mainly in spring and summer.

DormancyNo strict dormancy; growth slows in winter.

MethodsStem cuttings, Division

DifficultyModerate; cuttings root best with high humidity and warmth.

Best SeasonSpring to summer

PruningPrune to shape or remove dead stems after flowering or as needed to encourage bushier growth.

RepottingRepot every 2-3 years or when overcrowded, using fresh epiphytic substrate.

Pests & DiseasesGenerally pest resistant but watch for mealybugs, scale, and root rot in overly wet conditions.

ToxicityNot reported to be toxic to humans or pets.

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