Romneya coulteri
TAXONOMY
FamilyPapaveraceae
GenusRomneya
Zone8
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Plants of the World OnlineABOUT
Romneya coulteri, commonly known as the Matilija poppy or Coulter's Matilija poppy, is a perennial shrub native to California and northern Mexico. It is known for its large, white, crepe-paper-like flowers with bright yellow centers. The plant thrives in subtropical climates and can grow up to 8 feet tall. It has a dormancy period during the winter months.
ALSO KNOWN AS
Matilija Poppy
Romneya coulteri var. coulteri
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Romneya coulteri requires bright, direct sunlight for optimal growth. It prefers moderate temperatures and can tolerate dry conditions. The plant should be watered sparingly, allowing the soil to dry out almost completely between waterings. It thrives in moderate humidity levels.Soil
The Matilija poppy prefers well-draining loam soil. It can tolerate poor soil conditions but performs best in soil that is slightly acidic to neutral. Good drainage is essential to prevent root rot.Fertilizer
Fertilize Romneya coulteri with a balanced fertilizer, such as 5-10-10, during the growing season. Apply the fertilizer sparingly, as the plant does not require high nutrient concentrations.Repotting
Repotting is generally not necessary for Romneya coulteri, as it prefers to grow outdoors in the ground. However, if grown in a container, repot the plant every 2-3 years to refresh the soil and provide more space for root growth.Propagation
Romneya coulteri can be propagated through root cuttings or division. The best time to propagate is in the early spring before new growth begins. Take root cuttings or divide the plant, ensuring each section has a healthy root system, and plant them in well-draining soil.Pruning
Pruning is required to maintain the shape and health of Romneya coulteri. Prune the plant in late winter or early spring before new growth starts. Remove any dead or damaged stems and cut back the plant to encourage new growth.Toxicity
Romneya coulteri is not known to be toxic to pets or humans. However, as with all plants, it is best to keep it out of reach of pets and children to prevent any accidental ingestion.Additional
Romneya coulteri is a striking addition to any garden, known for its large, showy flowers. It is drought-tolerant once established and can be used in xeriscaping. The plant may take some time to establish but will reward patience with its stunning blooms.REVOLUTIONIZE YOUR PLANT CARE
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