|'Royal Flush' is a seedling of 'Red Ace'. The flowers are yellow-centered and rosy pink, fading to cream in hot summers. Height is 12 to 18 inches tall, spread is twice that. Foliage is a dark green.
Bushy, compact, deciduous shrub with pinnate leaves. Flowers are saucer shaped and come in a variety of colors, yellow being most common. These hardy plants flower continuously from June through October with little preference to soil or water conditions.