Terminal clusters of waxy, trumpet-shaped, butter-yellow flowers Long, bean-like, seed pods, 15 cm long, open when ripe Compound, pinnate, green leaves, 40 cm long Very aggressive and suckers by underground runners Clings to surfaces by aerial roots along its branches Bloom Time: July and sporadically until frost Flower Size: 8 cm Is it invasive? This is an extremely aggressive vine, but it is native to Ontario and as so is not considered invasive. (Chaz says, plant at your own risk.) Growing Tips: Campsis grows best in a moist to average soil, in full sun to partial shade. Flowers best in full sun locations, an excellent foliage plant in full shade. Flowers are produced on new wood, so plant can be pruned in the spring to the desired size. Mature plants have heavy, woody stems and need a strong structure or trellis for support. Zone: 5 Height: Height: 8-10 m Width: Spread: 1-3 m Colour: Colour: Yellow Features: Native Sun Exposure: Sun, Part-Sun, Shade