St. John’s-wort

Gordon Neish

Plant Bio

Common Name:St. John's-wort
Family:Hypericaceae
Genus:Hypericum
Species:perforatum
Classification/Rank:Aggressive or Under Bio-control
Method of Transportation:
Habitat/Range:• a companion with common tansy in the Terrace area. • prevalent along Hwy 16 from the Skeena River Bridge west to the A&W in Terrace. • moving east and small infestations are appearing along Hwy 16 through to the eastern edge of the region. • moving north towards the region along the CN rail line and Hwys 5 and 97. • not thought to present a serious threat due to successful biological control

Description

• perennial herb from a rhizome; grows 0.1 to 1.0 m tall
• stems erect, much branched above, smooth
• stem leaves lance-shaped, unstalked, obtuse, smooth with translucent glandular dots throughout and black marginal dots
• flowers are yellow; occur as an inflorescence of over 100 flowers

News

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posted: October 22, 2018
Upcoming Forum on Vegetation Management - Nov 6-8

This will be of interest to those writing pest management plans or who work in the vegetation management field. Check out IVMA's website...

posted: October 6, 2018
AGM coming up - October 30 in Smithers!

2018 AGM and General Members' Meeting - Everyone Welcome!

DATE: Tuesday, October 30, 2018, 10:00 am to 2:00 pm.
PLACE: Royal Canadian...