Penstemon serrulatus Location:GTN B16/17 Nugget Ninebark will grow to

Nugget Ninebark will grow to be about 6 feet tall at maturity

but one of the hardiest tree magnolias

It has green foliage with light green undersides

It has dark green deciduous  foliage

this selection features mounds of deep green foliage topped with gorgeous violet-blue flowers

Penstemon serrulatus Location:GTN B16/17 Nugget Ninebark will grow toCascade Penstemon is a slender evergreen perennial featuring several unbranched stems emerging from a moderately woody base. These upright stems reach up to 28 inches tall and may be finely hairy. The broad, sharply serrated leaves are arranged oppositely along the stems, ranging from elliptic to lanceolate shapes. Lower leaves have petioles, while upper leaves clasp the stem directly. Flowering stalks bear single or up to five whorled flower