| Plant Habit: | Herb/Forb |
| Life cycle: | Perennial |
| Sun Requirements: | Full Sun Full Sun to Partial Shade |
| Water Preferences: | Mesic |
| Soil pH Preferences: | Slightly acid (6.1 – 6.5) Neutral (6.6 – 7.3) Slightly alkaline (7.4 – 7.8) |
| Minimum cold hardiness: | Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F) |
| Maximum recommended zone: | Zone 9b |
| Plant Height: | 24 to 36 inches (60-90 cm) |
| Plant Spread: | 6 to 8 inches (15-20 cm) |
| Flowers: | Showy |
| Flower Color: | Yellow |
| Flower Time: | Late spring or early summer Summer Late summer or early fall |
| Underground structures: | Bulb |
| Propagation: Seeds: | Stratify seeds: 8 weeks if you sow indoors Depth to plant seed: Cover the seeds with thin layer of soil Suitable for wintersowing Sow in situ Start indoors Can handle transplanting |
| Awards and Recognitions: | RHS AGM |
