Declared plant control table
Please note: This list may not be current - refer to Western Australian Organism List (WAOL) database for up-to-date information.
Click on the plant name to go to further information on that weed.
Plant | Germination | Rosette/ | Flowering | Time to spray | Comments |
---|---|---|---|---|---|
Acacia | — | — | — | — | perennial |
— | — | — | — | perennial | |
winter | spring | spring-summer | spring | perennial | |
reproduces vegetatively | — | summer | — | aquatic | |
late spring | winter | Oct-Apr | spring-summer | perennial | |
— | — | summer | — | aquatic annual | |
autumn | winter | Nov-Dec | Sept-Nov | perennial | |
late autumn-winter | winter | Sept-Nov | June-Sept | summer dormant perennial | |
following spring-summer rains | summer | summer | early summer | summer growing annual | |
when moisture present | — | — | — | — | |
spring | summer | Dec-Apr | Jan-Apr | perennial | |
mostly autumn | winter | July-Aug | late winter-spring | perennial | |
— | — | — | — | — | |
— | — | — | — | — | |
wet season | — | Aug-Oct | when actively growing | perennial | |
autumn or spring | spring | Nov-Dec | during active growth | perennial | |
reproduces vegetatively | — | — | summer | aquatic perennial | |
— | — | — | — | — | |
May-July | winter | early spring | July-Aug depends on herbicide | — | |
May-July | winter | spring | Aug-Sept | perennial forms seeds and corms | |
— | — | — | — | — | |
— | — | — | — | — | |
winter | Sept-Dec | — | Sept-Dec | perennial | |
winter-spring | spring | summer | — | perennial, not known in WA | |
— | — | — | — | — | |
— | — | — | — | — | |
autumn | autumn-winter | winter | July-Aug | winter-growing annual | |
spring rhizomes, autumn seeds | spring | Nov-Feb | Dec-Feb early flowering stage | perennial | |
winter | spring | Nov-Dec | seedling to early flowering | winter growing annuals | |
— | — | — | — | — | |
autumn-spring | — | most of year | Jan-Apr | perennial | |
damp conditions | — | — | — | perennial cactus | |
summer | summer | February | Dec-Apr | summer growing annual | |
autumn | winter | spring | July-Aug | perennial | |
autumn | winter | Oct-Mar | June-July | perennial | |
— | — | — | — | — | |
— | — | Sept-Feb | Nov-Feb | perennial | |
wet season | — | — | dry season | tropical perennial | |
Aug-Dec | Aug-Dec | Feb-May | Aug-May | annual | |
usually reproduces vegetatively | — | summer | — | aquatic perennial | |
usually reproduces vegetatively | — | — | summer | aquatic perennial | |
— | — | — | — | — | |
when soil moist | — | most of year | when actively growing | perennial | |
autumn-winter | winter | Oct-Nov | August | winter-growing annual | |
Mimosa | — | — | — | — | — |
after summer rain | summer | summer | summer | summer growing annual | |
— | — | — | — | — | |
spring | summer | summer | before burr formation | summer-growing annual | |
wet season | — | usually May-June | when actively growing | perennial | |
reproduces vegetatively | — | — | summer months | aquatic perennial in WA | |
when soil moist | mid-late summer | depends on moisture | — | annual | |
autumn | winter | winter-spring | June-Aug germination to flowering | winter growing annuals | |
— | — | — | — | — | |
autumn | winter | summer-spring | Aug-Sept | perennial | |
— | — | — | — | — | |
any time when soil moist | — | summer | when actively growing | perennial | |
autumn | winter-spring | Oct-March | winter-spring | perennial | |
— | — | — | — | perrenial | |
autumn | winter | early summer | winter-spring to early flowering | winter-growing annual | |
— | — | summer | — | aquatic annual | |
reproduces vegetatively | — | — | summer | aquatic annual | |
— | — | — | — | — | |
wet season | — | summer | — | perennial | |
during wet season | — | summer | — | perennial | |
— | — | — | — | — | |
— | — | — | — | — | |
— | — | — | — | — | |
— | — | — | — | — | |
wet season | — | Feb-April | Dec-Jan | annual | |
winter | spring | throughout summer | when actively growing | summer perennial | |
autumn-spring | whole of 1st year | Nov-Feb | Oct-Nov | perennial | |
autumn | winter-spring | Oct-Nov | Aug-Sept | annual | |
after summer rain | summer | summer | Dec-Jan | annual | |
— | — | — | — | — | |
— | — | — | — | — | |
— | — | — | — | — | |
autumn-winter onwards | winter-spring | spring-summer | July-Aug | annual | |
spring | summer | February | summer | aquatic perennial | |
usually vegetative in WA | — | — | — | aquatic perennial | |
autumn | winter | spring | winter | annual |