Herbs, succulents, bulbs & orchids
All 34 herbs, succulents, bulbs & orchidsSilybum marianum
Also called Variegated Thistle
Silybum marianum is an annual or biennial herb which can grow up to 2.5m. Leaves are variegated and hairy. Large purple flowers are produced at the end of branches in late spring-summer. Each flower head can produce up to 200 seeds each attached to a pappus of fine hairs.
Can be grubbed out all root material should be removed. When to control: Autumn – spring is the best time when they are emerging.
From SGLN’s 2017 weed guide.
Kamba M Selective herbicide or Lontrel herbicide. Always check the herbicide label before use.
These notes are from 2017, and some information, particularly herbicide information, may be out of date. Please ask local suppliers and do your own research in selecting herbicides if choosing chemical control.
Family, origin, type, plant instead, control methods and the note above are from SGLN’s pocket guide Common weeds of South Gippsland (2026).
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