After all, just because the frost killed all purple flower invasive weeds doesn ... pinkish-purple petals between July and September. When not flowering, it leaves out 4-inch long, sword-like ...

Traffic on Road 100 in Pasco passes by a field near West Argent Street covered with colorful lavender blossoms of purple ... petals make a pretty photograph the species is considered a noxious ...

[Gallery] Diffuse knapweed: This flower with purple or white petals colonizes everything in its way. If it’s found in your garden, mowing it is not recommended. The weeds must be pulled early ...

Passionflower — it’s one of the most beautiful wild flowers you’ll ever see in Western North Carolina. Wispy lavender tendrils spike out on top of purple/white petals. Complex layers of ...