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|Profile for Hypericum perforatum (St. John's wort) |
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall
Southeastern Pennsylvania: (invasive or naturalized) June, July, August, September
New Hampshire: June, July, August, September, October
Manchester, England: November
This page is a profile for the plant species Hypericum perforatum, used to collect records of where and when this plant was observed blooming, and for providing identification information for use in dichotomous keys. If you would like to help collect data for this or other plants, see Bloom clock project/How to Contribute for orientation.