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PlantSnap
Plant Care
Matilija poppy
(Romneya Harv)
Also Known As
Matilija poppy, California tree poppy
About This Plant
Romneya Harv is a species of flowering plant in the poppy family, Papaveraceae, native to southern California and northern Mexico. It is commonly known as Matilija poppy or fried egg plant due to its large, white, crepe-paper like flowers with a bright yellow center resembling a fried egg. The plant can grow up to 6-8 feet in height and spread up to 4-6 feet wide.
Plant Care Instructions
Outdoor Size Range
Height: 6-8 feet (180-240 cm), Spread: 4-6 feet (120-180 cm)
Light Requirements
Matilija poppy requires full sun exposure for at least 6 hours a day. It can tolerate some shade but the plant will not bloom as well.
Humidity Needs
Matilija poppy prefers low humidity environments and can tolerate dry conditions.
Fertilizing Schedule
The plant does not require regular fertilization. However, it can benefit from a balanced fertilizer application in early spring to promote healthy growth and flowering.
Pruning Guidelines
Matilija poppy requires minimal pruning. Deadheading spent flowers can promote continued blooming. The plant can be pruned in late winter or early spring to remove damaged or diseased branches.
Common Pests and Diseases
The plant is generally pest and disease resistant. However, it can be affected by aphids, spider mites, and powdery mildew in humid conditions.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
The plant is drought tolerant and does not require frequent watering. However, it needs regular watering during its first year of growth to establish a strong root system. After that, it can be watered occasionally.
Temperature Range
The plant is hardy to USDA zones 7-10 and can tolerate temperatures as low as 0°F (-18°C). It prefers warm temperatures and does not tolerate frost.
Growing Season
Matilija poppy blooms in the summer and fall seasons.
Growing Difficulty Level
Matilija poppy is relatively easy to grow and care for. It is drought tolerant and does not require frequent watering. However, it can be difficult to establish in the first year of growth.
USDA Hardiness Zones
7-10
Did You Know?
Matilija poppy is the official flower of the city of Los Angeles, California.
