A charming little groundcover with shamrock-like leaves, this species can be quite aggressive in garden settings. Small bright yellow flowers appear from May-October, each one turning to an upright seed capsule which, when ripe, can fling its small seeds up to ten feet. The seeds may germinate at any point between early spring and late fall, making this a tenacious little plant that nonetheless often finds itself an unwanted visitor in flowerbeds. Tolerant of black walnut and a wide variety of soil types including nutritionally poor conditions, this species is particularly fond of disturbed or loose soil. An important source of pollen and nectar for small native bees and pollinators throughout the growing season, this plant also supports a variety of small birds such as Bobwhites, Painted Buntings, and several species of sparrow, all of which eat the seeds. The leaves of this species are edible, and have a lemony tang which can be used as seasoning in soups, salads, or sauces--however they should be consumed with caution, as they contain a reasonable amount of oxalic acid, which is toxic in high amounts and can be dangerous in smaller amounts to people with certain medical conditions.
Native Range: Throughout the eastern US, west to ND and TX, native in Canada except in AB
Germination - Very Easy: No treatment required.
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