Quercus rubra ~ Northern Red Oak climbing C2-1-Ilex opaca (American Holly)

C2-1-Ilex opaca (American Holly)

Tall spikes holding large two-lipped bright violet-blue flowers bloom in late spring through summer and can continue into fall if deadheaded

A strong tall spire packed with large pendular copper-pink tubular flowers rises above the foliage in summer

(4) Photos by PennState Flower Trials

Very showy and dense flat-topped clusters of vibrant reddish-violet flowers bloom from late spring into summer

Quercus rubra ~ Northern Red Oak climbing C2-1-Ilex opaca (American Holly)Northern Red Oak is a native deciduous tree with a rounded to spreading irregular crown. The lustrous dark green foliage with pointed lobes and pale undersides turn brownish red in fall. The acorns have saucer shaped cups, but can take up to 40 years to produce an abundant crop. Best grown in full sun and rich, sandy well drained acidic soils. Quercus rubra supports a wide variety of moths and butterflies, including: the Imperial Moth, Banded