Sometimes considered weeds, plants that pop up without being planted are known as volunteers, and they can add quite a bit of interest to the garden.

Wood sorrel, or oxalis, looks very similar to ... Quackgrass is another creeping weed that has a strong and difficult-to-remove root system. This weed, which can also be called quick grass ...

Sheep's sorrel currently has a botanical name of Rumex acetosella though at times it has been known as Acetosa acetosella. It has a creeping root system ... in New Zealand as it is not a very ...