Noxious or invasive

19 Apr

There are 26 plants listed as “noxious” including 4 plants listed as “invasive”. I guess ‘noxious’ is less ‘invasive’ or ‘invasive’ is more ‘noxious’, according to TDA. These plants “have serious potential to cause economic or ecological harm to the state”. Unless permitted by the state authority, a person commits an offense, if he or she sells, distributes or imports into the state the plants in any live form.

Many times the green industry is accused of ‘bring in’, although unintentionally, some of these noxious plants. We actually only ‘contribute’ a very small portion in the Table 2 list. For instance, I don’t think water spinach (Ipomoea aquatic) is more a vegetable than an ornamental. I grew it in my garden in Mississippi. I wouldn’t be surprised if you find it in the Asian market around Texas. It’s delicious! For as much as it produced, I can imagine it may be ‘noxious’.

The easiest way to ‘fight off’ those accusers may be posting the list and awarding them if they find anything on the list from your plants. Before they finish ‘scouting’ your garden center or holding area, they’ll probably be impressed enough by your plants and want to buy some.

Check TDA website for details on noxious weeds$ext.ViewTAC?tac_view=5&ti=4&pt=1&ch=19&sch=T&rl=Y.

Table  Noxious plants in Texas (*indicates invasive plants).

Common Name Botanical Name
Alligatorweed Alternanthera philoxeroides
Balloonvine Cardiospermum halicacabum
Brazilian peppertree Schinus terebinthifolius
Broomrape Orobanche ramosa
Camelthorn Alhagi camelorum
Chinese tallow tree* Triadica sebifera
Eurasian watermilfoil Myriophyllum spicatum
Giant duckweed Spirodela oligorrhiza
Giant reed Arundo donax
Hedge bindweed Calystegia sepium
Hydrilla Hydrilla verticillata
Itchgrass Rottboellia cochinchinensis
Japanese dodder Cuscuta japonica
Kudzu* Pueraria montana var. lobata
Lagarosiphon Lagarosiphon major
Paperbark Melaleuca quinquenervia
Purple loosestrife Lythrum salicaria
Rooted waterhyacinth Eichhornia azurea
Saltcedar* Tamarix spp.
Salvinia Salvinia spp.
Serrated tussock Nassella trichotoma
Torpedograss Panicum repens
Tropical soda apple* Solanum viarum
Water spinach Ipomoea aquatica
Waterhyacinth Eichhornia crassipes
Waterlettuce Pistia stratiotes





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