Oenothera triloba
TAXONOMY
FamilyOnagraceae
GenusOenothera
Zone5
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Plants of the World OnlineABOUT
Oenothera triloba, commonly known as stemless evening primrose, is a perennial plant native to North America. It belongs to the Onagraceae family and is known for its bright yellow flowers that bloom in the evening. The plant typically grows in prairies and open woodlands. It has a dormancy period during the winter months.
ALSO KNOWN AS
Three-Lobe Evening Primrose
Lavauxia nuttalliana
Lavauxia triloba
Lavauxia triloba var. watsonii
Lavauxia watsonii
Oenothera rhizocarpa
Oenothera roemeriana
Oenothera triloba var. parviflora
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Oenothera triloba is relatively easy to care for. It prefers bright, direct sunlight and moderate temperatures. The plant thrives in environments with moderate humidity. Watering should be done sparingly, allowing the soil to dry out almost completely between waterings.Soil
This plant prefers well-draining loamy soil. It can tolerate a range of soil types but performs best in soil that is not too rich in nutrients. Good drainage is essential to prevent root rot.Fertilizer
Oenothera triloba does not require frequent fertilization. If needed, a balanced, slow-release fertilizer can be applied sparingly during the growing season.Repotting
Repotting is generally not necessary for this plant as it is typically grown outdoors. However, if grown in a container, repotting can be done in the spring when the plant shows new growth. Ensure the new pot has good drainage.Propagation
Propagation of Oenothera triloba can be done through seeds or division. Seeds can be sown in the spring, while division is best done in the fall or early spring. Ensure the divisions have adequate roots before replanting.Pruning
Pruning is not typically required for this plant. However, deadheading spent flowers can encourage more blooms and prevent self-seeding if that is not desired.Toxicity
Oenothera triloba is not known to be toxic to pets or humans. It is generally considered safe to grow in gardens where pets and children are present.REVOLUTIONIZE YOUR PLANT CARE
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