though the spiny fruits are often left with spines sticking upwards even though the plant has died. It doesn't always grow as a winter annual though, as it can also establish in spring under some ...

Periwinkle plant is a vine-like perennial. It has evergreen leaves and small flowers. The flowers can be lavender, blue, purple, or white. But it is toxic to pets as well as invasive. To remove ...

Although when growing in bare areas with few other plants around willow weed will scramble along the ground, it can also grow upright under some conditions such as within crops, becoming competitive ...