What Are Invasive Plants
Invasive vs. Aggressive Plants The key characteristic of an invasive plant is that is not indigenous to the area in question. Indigenous plants that spread rapidly and overpower the competition tend to be referred to now by the experts as simply “aggressive,” “thuggish,” or “ill-behaved.” But confusion over terminology remains because “invasive” and “aggressive” are often interchangeable words. For example, some American gardeners will refer to sumac shrubs as “invasive” because they tend to spread, while others will point out that they are native to North America....