Family Index

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Scientific Name

Senecio quadridentatus

Family Name

ASTERACEAE (COMPOSITAE)

Common Name

Cotton Fireweed

Status

Height

0.6m - 1.2m (60-120cm)

Flowers

Heads numerous in loose terminal clusters: florets yellow: green or purplish phyllaries.

Fruit

Achenes

Form

Short-lived perennial herb or undershrub. Stems woody at base, finely striate, hairy.

Municipalities

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

Communities

Roadsides and waste places

Habitat Notes

Widespread and abundant on roadsides, waste places and in a variety of habitats.

Site Tolerance

Dry; Moist

Frost Tolerance

Soil Tolerance

Clay; Fertile; Loam; Poor; 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

Achenes narrow, slightly curved, ribbed. seeds appear fluffy and come away from heads easily when mature. colle ct heads into paper bags and allow to dry. rub on wire screens or break up by hand. sieve to clean

Seed Treatment Method

Standard

Seed Storage Life

Short

Viable Seeds Per Gram

Seed Treatment Notes

Surface sow or lightly cover. Seedlings may be prone to damping off so the use of capillary watering may be helpful. Some species lose viability quickly.

Germination Time

2-5 weeks

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.

Cutting Notes