Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
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Regionally Controlled Weed<br />
Hardheads<br />
Description: Appearance of a spike-less thistle 40 -100 cm<br />
tall.<br />
flowers: Small, hard, thistle like heads, solitary at the end of<br />
branches. Purple, sometimes white, 2.5 cm diameter, appears<br />
between November and February.<br />
leaves: Lance shaped, larger and toothed at base and<br />
smaller with edges up the stem. Grey/green with a cover of<br />
fine woolly hairs.<br />
stems: Erect grey/green stems arise from the centre of<br />
rosettes and have a covering of fine hair. Branched towards<br />
the top.<br />
Note: Hardy, deep-rooted and long living. Can severely<br />
reduce crop yields.<br />
similar Native species: Unlikely to be confused with native<br />
species.<br />
40<br />
Acroptilon repens<br />
(Hardhead Thistle, Creeping Knapweed, Russian Knapweed)<br />
j f M A M j j A s O N D<br />
CONtROl OPtIONs VECtOR Of sPREAD
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