Trillium undulatum
TAXONOMY
FamilyMelanthiaceae
GenusTrillium
Zone4
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Trillium undulatum, commonly known as Painted Trillium, is a perennial herbaceous plant native to the eastern United States and Canada. It thrives in temperate climates and is typically found in moist, acidic soils in shaded woodland areas. The plant is known for its distinctive three-petaled white flowers with a central red or purple marking. It has a rhizomatous growth habit and undergoes a dormancy period during the winter months.
ALSO KNOWN AS
Painted trillium
Trillium cleavelandicum
Trillium erythrocarpum
Trillium erythrocarpum var. cleavelandicum
Trillium pictum
Trillium undulatum f. cleavelandicum
Trillium undulatum f. enotatum
Trillium undulatum f. polymerum
Trillium undulatum f. striatum
Trillium undulatum f. undulatum
OVERVIEW
VPDCalculate
WaterWet
SoilLoamy
LightIndirect Bright (6 Hours)
Temperature15° C
Humidity70%
Dormancy4 Months
pH5.5
Pressure1,013 mbar
DETAILS
Care Instructions
Painted Trillium requires indirect bright light and should be kept in a location with moderate temperatures and high humidity. Water the plant regularly to keep the soil evenly moist but not waterlogged. It is best suited for outdoor growth in shaded woodland areas.Soil
Trillium undulatum prefers loamy soil that is well-draining yet retains moisture. The soil should be acidic with a pH around 5.5. Adding organic matter such as leaf mold or compost can help improve soil structure and nutrient content.Fertilizer
This plant does not have high fertilizer requirements. If needed, a light application of a balanced, slow-release fertilizer in early spring can support growth. Avoid over-fertilizing as it can harm the plant.Repotting
Repotting is generally not necessary for Trillium undulatum as it is best grown in its natural outdoor habitat. If growing in a container, repot every few years to refresh the soil and provide more space for the rhizomes.Propagation
Propagation of Painted Trillium is typically done through division of the rhizomes in early spring or late fall. Carefully dig up the plant and separate the rhizomes, ensuring each division has at least one growth bud. Replant immediately in suitable soil conditions.Pruning
Pruning is not required for Trillium undulatum. Simply remove any dead or damaged leaves to maintain plant health and appearance.Toxicity
Trillium undulatum is not known to be toxic to pets or humans. However, as with all plants, it is best to avoid ingestion and contact with the sap, which can cause mild skin irritation in sensitive individuals.Additional
Trillium undulatum is a beautiful addition to shaded woodland gardens and naturalized areas. It is important to protect this plant from over-collection in the wild, as it is considered vulnerable in some regions. Providing a suitable habitat and proper care can help ensure its survival and propagation.REVOLUTIONIZE YOUR PLANT CARE
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