Come! Ms. Dunlap will give two talks at the CNPS Conservation Conference Feb. 1-3 in LA!

One regarding a database of 3,700 nectar plants (& how to collect images to benefit pollinators), and the other regarding
a prototypical key incorporating a novel plant identification system that produced an order of magnitude improvement.

Hypericum calycinum

Family: Hypericaceae

Common name: SAINT JOHN'S WORT

Native to: Northeast Turkey, Northwest Turkey, Southeast Bulgaria


Type: shrub

Forms: prostrate, spreading

Leaves evergreen

Max height: 1.5 feet

Max width: 1.75 feet





new growth distinct


Plant features: evergreen, naturalizes

Exposure: sun

Landscape use: ground cover

Propagates by: seed

flowers in fall

flowers in summer

Soil type: wide range

USDA Zones: zone 5 to -20 f, zone 6 to -10 f, zone 7 to 0 f, zone 8 to +10 f, zone 9 to +20 f

Temp. range: -20 to +30 °F

Water: moderate, regular

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  • Hypericum calycinum  weg0012