Aurinia saxatilis
Basket-of-gold

• Hardiness: USDA zone 3 .
• Water use: Low. 
• Light: Full sun to very light shade.   
• Size: 9-12" tall, 18" spread.
• Plant habit:  Horizontal, sprawling, herbaceous perennial.  Plants are looser and more sprawling with shade.  Semi-evergreen or deciduous, depending on severity of winter. 
• Season of bloom:  Early spring.  
• Culture: Grows best in well-drained, infertile soil.  
• Maintenance: Plant appearance and life expectancy will be improved by pruning plants back by 1/3 after flowering.  Plants will self-sow if spent flower heads are not removed. 
• Pests/Diseases:  Insect- and disease-free.