Plant Profile: Quercus acutissima

The Sawtooth Oak is a medium-sized tree native to Asia, recognized as invasive in certain regions. It can reach heights of up to 75 feet, exhibiting a broad pyramidal shape that eventually becomes oval. This species begins to produce acorns as early as ten years old, with mature trees yielding a significant quantity of acorns that are often bitter and not favored by wildlife. In autumn, its foliage turns yellow, though it may appear brownish in southern areas, and it tends to shed its leaves later in the season. The tree is known for its rapid growth during its early years and its ability to withstand heat.

Ideal growing conditions for the Sawtooth Oak include acidic, humus-rich, well-drained, and moist soils in full sunlight, although it can adapt to various soil types. The fallen acorns and involucral cups create a messy layer of debris consisting of fruits and twigs. This tree is suitable for use as a shade or street tree.

It is advisable to consider planting native oak species instead.

In terms of pests and diseases, the Sawtooth Oak may face threats from insects such as scale, oak skeletonizers, leaf miners, galls, oak lace bugs, borers, caterpillars, and nut weevils. Additionally, chlorosis, characterized by yellowing leaves, is frequently observed in neutral to alkaline soils and can significantly harm the tree. In North Carolina, it is monitored as a potential invasive species.

**Quick Identification Tips:**