Erysimum Erysistible Yellow

Erysimum Erysistible Yellow (Erysimum linifolium) is a compact, evergreen perennial wallflower featuring vibrant canary-yellow blooms on 16-22 inch stems from spring to summer. It is cold-hardy (Zones 5-9), drought-tolerant once established, and ideal for sunny, well-drained borders or containers. The plant thrives in full sun, requires little fertilizer, and benefits from light pruning to encourage rebloom. 
Key Features and Care:
Flowers: Bright, bold yellow flowers produced in long spikes, often lasting until the first frosts.
Habit: Compact and bushy, typically growing 16-22 inches tall and 12-16 inches wide.
Conditions: Prefers full sun and poor to moderately fertile, well-drained soil.
Maintenance: Low maintenance, but requires deadheading to encourage more blooms and a light prune in midsummer to keep it tidy.
Usage: Excellent for containers, rock gardens, and perennial borders. 
This variety is noted for its strong, sturdy stems and long, consistent blooming period.