Municipalities

Scientific Name

Hypericum gramineum

Family Name

CLUSIACEAE (GUTTIFERAE, HYPERICACEAE)

Common Name

Small St. John's Wort

Status

Height

0.1m - 0.3m (10-30cm)

Flowers

Yellow, solitary, 1.5cm across, 5 petals.

Fruit

Papery capsule

Form

Slender, hairless, perennial herb. Stems erect & rigid.

Municipalities

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

Communities

Grassy Vegetation

Habitat Notes

Widespread and common in pastures & grassy places.

Site Tolerance

Dry; Exposed; Exposed; Moist; Rocky; Windy

Frost Tolerance

Soil Tolerance

Fertile; Loam; Well-drained

General Notes

Can self- seed very easily. Fresh seeds are dormant. The highest germination of non-dormant seeds has been found to occur in the light at approximately 25-35˚C. 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

Capsules & seed turn from green to red-brown on maturity; monitor seeds carefully. to extract seed dry & sieve

Seed Treatment Method

Seed Storage Life

Viable Seeds Per Gram

Seed Treatment Notes

Propagated from seed. Do not sow or cover too deeply.

Germination Time

3-4 weeks

Suitable for Direct Seeding

Yes

Cuttings

Expected Time to Take Root

Expected Time to Plant Out

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

Cutting Notes

Strikes easily from small cuttings of all but the very softest material.