Municipalities

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Scientific Name

Hypericum japonicum

Family Name

CLUSIACEAE (GUTTIFERAE, HYPERICACEAE)

Common Name

Matted St. John's Wort

Status

Height

prostrate

Flowers

Tiny yellow to orange flowers, less than 1 cm across, usually single, on short stalks.

Fruit

Woody capsule

Form

Perennial, mat-forming herb, to 60 cm in diameter.

Municipalities

Break O'Day; Brighton; Burnie; Central Highlands; Circular Head; Derwent Valley; Devonport; Dorset; Flinders Island; Georgetown; Glamorgan-Spring Bay; Kentish; King Island; Kingborough; Latrobe; Launceston; Meander Valley; Northern Midlands; Southern Midlands; Tasman; Waratah-Wynyard; West Coast; West Tamar

Communities

Grassy Vegetation; Sedgeland and Wetland

Habitat Notes

Damp places from sea level to c 1000m elevation

Site Tolerance

Moist; Shady

Frost Tolerance

Soil Tolerance

Clay; Fertile; Loam; Phosphorous intolerant; Poor; Poorly-drained; Well-drained

General Notes

Suitable below powerlines.

Propagation Details

Propagation Calendar

Flowering Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Collecting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sowing Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Cutting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Information

Seed Collection

Seed Treatment Method

Seed Storage Life

Viable Seeds Per Gram

Seed Treatment Notes

Germination Time

Suitable for Direct Seeding

Cuttings

Expected Time to Take Root

Expected Time to Plant Out

Propagation by Division N.B. Transplant only from nearby to avoid disease.

Yes

Cutting Notes

Propagate by division. Needs damp, shaded position near water's edge.