Diphasiastrum tristachyum

Tree Clubmoss

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Taxonomy

Family Lycopodiaceae · Genus Diphasiastrum

Description

Diphasiastrum tristachyum, commonly known as the Tree Clubmoss, is a perennial woodland plant that resembles tiny conifer trees. Its striking green, evergreen foliage and unique growth habit make it a charming addition to shaded areas and gardens. This resilient plant thrives in specific conditions, primarily found in forested regions where it contributes to the ecological beauty of the habitat.

Common Names

Tree ClubmossGround PinePrincess Pine

Context

nativeRegion

Eastern North America

usdaZones

3-7

companionPlants

Ferns, Heuchera, Athyrium, Mosses

culturalUses

Used in traditional medicine by indigenous peoples, often valued for its unique appearance in landscaping.

Care

Care Requirements

LightPartial to full shade

WateringModerate, do not let soil dry out completely

SoilWell-draining, acidic soil

FertilizerLow-nitrogen fertilizer during growing season

HumidityPrefers high humidity

TemperatureCool to moderate temperatures, ideally 60-75°F (15-24°C)

Growth & Life Cycle

HabitLow-growing, mat-forming

Mature Size6-12 inches tall

Growth RateSlow-growing

BloomingDoes not produce showy flowers, reproduces via spores

DormancyDormant in winter months

Propagation

MethodsSpores, Division

DifficultyModerate

Best SeasonSpring to early summer

Maintenance & Notes

PruningMinimal, remove dead leaves as necessary

RepottingDoes not require frequent repotting, prefers to remain undisturbed

Pests & DiseasesGenerally pest-resistant, but susceptible to rot if overwatered

ToxicityNon-toxic to pets and humans

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