Romneya coulteri Poppy Seeds - Flower Plant

Romneya Coulteri Poppy is a perennial flowering plant known for its large white blooms and silvery-green foliage. It grows with an upright spreading habit and is commonly cultivated in drought-tolerant gardens, borders, and naturalized landscape settings. This plant adapts well to warm, dry climates and performs best in full sun with well-drained soil. Once established, it tolerates dry conditions and develops extensive underground rhizomes.

Features

• Produces large white ornamental flowers
• Upright perennial growth with spreading habit
• Suitable for drought-tolerant landscapes
• Adapted to warm and dry climates
• Performs well in sunny planting locations
• Suitable for borders and naturalized gardens

Specifications

• Scientific Name: Romneya coulteri
• Common Name (US): Matilija Poppy
• Seed Type / Variety: Romneya Coulteri Variety
• Growth Habit: Upright spreading perennial
• USDA Zones: 8-10
• Planting Season: Spring or fall
• Growing Season: Spring through summer
• Sowing Season: February to April or September to October
• Germination Time and Conditions: 2-6 weeks with light and warm soil around 65-75°F (18-24°C)
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained sandy or rocky soil
• Watering Needs: Low watering once established
• Mature Plant Size: 4-8 feet tall, 3-6 feet spread
• Plant Spacing: 3-5 feet apart