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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
Copyright 2000-2009, Understorey Network Incorporated. Updated 2024-11-03
Database development and website design by
Andrew Smith