Great St. Johnswort

Great St. Johnswort (Hypericum ascyron) is a perennial flower native to the lower 48 states of the United States and found in the state of Maryland; it may or may not be native to Maryland.USDA Plants Database, 
== Identification ==
Its foliage is typically green. It has yellow flowers which appear in late summer.
It grows at moderate speed from a single crown to a height of about 5 feet with roots at least 14 inches deep, and has a lifespan over 250 years.
== Cultivation ==
The USDA believes this plant to be unavailable for purchase. It is suitable for growing in a nursery. It is propagated by the following methods: container, sprigs. Seeds will be more successful if cold stratification is used. Typically, this plant will seed itself at a slow rate, and new seedlings will have a medium chance of success compared to other plants of this type.
Soil preferences: medium/fine soil, pH 5.7-7.1, medium fertilizer. Provide medium moisture. This plant has no salinity tolerance and low drought tolerance. It prefers full sun.
== Uses and Relationships ==
If you're seeking to provide forage to wildlife, this plant is of low value.
== More Information ==
The initial draft of this article was automatically generated from the Hypericum ascyron profile in the USDA Plants Database. The Biota of North America Program (BONAP) may or may not have a page for this genus with detailed range maps. (BONAP range maps are copyrighted and should not be placed directly on our wiki.)
== References ==
Category:Hypericum Category:Native perennial flowers Category:North American natives Category:Yellow-flowered natives Category:Late Summer blooming natives Category:Natives with green foliage Category:Moderate-growing natives Category:Natives between 3 and 6 feet tall Category:Medium moisture demand natives Category:Drought intolerant natives Category:USDA native stubs