Family Index

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Scientific Name

Crassula helmsii

Family Name

CRASSULACEAE

Common Name

Swamp Stonecrop

Status

Height

Flowers

White to pale pink, solitary in upper leaf axil, 0.3-0.4cm across.

Fruit

Seed follicles

Form

Aquatic or marsh plant with slender stems creeping or floating, rooting at nodes.

Municipalities

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

Communities

Sedgeland and Wetland

Habitat Notes

Widespread and frequent on the margins of swampy places.

Site Tolerance

Waterlogged

Frost Tolerance

Soil Tolerance

Phosphorous intolerant; Poor; Poorly-drained

General Notes

A perennial succulent which spreads fairly rapidly. Usually found growing in or alongside fresh water and roots in mud. Occasionally grown as an aquatic in ponds or dams or as a bog plant. 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

Fruit, a group of seed follicles with 4-5 seeds

Seed Treatment Method

Bog method

Seed Storage Life

Viable Seeds Per Gram

Seed Treatment Notes

Can be grown from seed but usually propagated by division.

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 or by stem cuttings.