Growth typePerennial
Plant height60 cm to 100 cm
Growth characteristicsUpright, clumping
Flower coloryellow
PrimeAugust, July
Flower shapehollow
Leaf colorblue-green
Leaf shapelanceolate, linear
Soil typestony to gravelly
Lightsunny
Decorative or utility valueFoliage, picturesque growth
Toxicitypoisonous