Crataegus uniflora is a species of hawthorn known by the common name one-flowered hawthorn, or dwarf hawthorn. It is native to parts of the southeastern United States. The plant is usually a small bush, but some forms can be a few meters tall. The flowers occur singly or in small clusters. The fruit are hairy and yellow to reddish in colour.
Crataegus uniflora is a deciduous Shrub growing to 3 m (9ft 10in).
It is hardy to zone (UK) 5 and is not frost tender. It is in flower in May, and the seeds ripen in October. The species is hermaphrodite (has both male and female organs) and is pollinated by Midges.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very alkaline soils.
It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.
It can tolerate atmospheric pollution.Fruit - raw or cooked. The fruit is about 10mm in diameter and is borne in small clusters. The fruit is usually borne singly, or in groups of up to 3 fruits. It can be up to 16mm in diameter and has a firm flesh. There are up to five fairly large seeds in the centre of the fruit, these often stick together and so the effect is of eating a cherry-like fruit with a single seed.