Royal Red Catchfly (Silene Regia) Color: Scarlet Red Planting Instructions: Sow Seeds: Fall sow seeds or cold stratify. Plant Details: Height: 36 - 48 inches Spacing: 12 - 24 inches apart Bloom Time: June - August Hardiness Zone: 4 - 9 Light Requirements: Full sun to part shade Soil Water Preferences: Tolerates average to dry soil Quantity: 20 Seeds Other Information: The Royal Red Catchfly is a striking native wildflower that has become quite rare in parts of the U.S. due to habitat loss and is listed as endangered in some areas. Its name comes from the sticky substance found in the plant's calyx, which can trap small insects. This resilient plant thrives in shallow, rocky, or sandy soils, making it a fantastic addition to challenging garden spaces. The large, star-shaped scarlet flowers, measuring about 2 inches wide, bloom from June to August and are a favorite of butterflies, particularly the Swallowtail. Additionally, its elongated 1-inch calyx is perfectly suited for long-beaked pollinators like the ruby-throated hummingbird, ensuring that your garden remains vibrant and full of life.