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Virginia Administrative Code
Title 2. Agriculture
Agency 5. Department of Agriculture And Consumer Services
Chapter 317. Regulations for the Enforcement of the Noxious Weeds Law
11/21/2024

2VAC5-317-20. Tier 1, Tier 2, and Tier 3 noxious weeds.

A. The following plants are hereby declared Tier 1 noxious weeds:

1. Salvinia molesta, Giant salvinia.

2. Solanum viarum, Tropical soda apple.

3. Heracleum mantegazzianum, Giant hogweed.

B. The following plants are hereby declared Tier 2 noxious weeds:

1. Imperata cylindrica, Cogon grass.

2. Lythrum salicaria, Purple loosestrife.

3. Ipomoea aquatica, Water spinach.

4. Vitex rotundifolia, Beach vitex.

5. Oplismenus hirtellus spp. undulatifolius, Wavyleaf basketgrass.

6. Corydalis incisa, Incised fumewort.

7. Trapa bispinosa, Two-horned trapa.

C. The following plants are hereby declared Tier 3 noxious weeds:

1. Ailanthus altissima, Tree of heaven.

2. Ampelopsis brevipedunculata, Porcelain berry.

3. Celastrus orbiculatus, Oriental bittersweet.

4. Hydrilla verticillata, Hydrilla.

5. Persicaria perfoliata, Mile-a-minute weed.

6. Alliaria petiolata, Garlic mustard.

7. Dioscorea polystachya, Chinese yam.

8. Elaeagnus umbellata, Autumn olive.

9. Ficaria verna, Lesser celandine.

10. Lespedeza bicolor, Bicolor lespedeza.

11. Lonicera maackii, Amur honeysuckle.

12. Lonicera japonica, Japanese honeysuckle.

13. Phragmites australis, Common reed.

14. Pueraria montana, Kudzu.

15. Reynoutria japonica, Japanese knotweed.

16. Ulmus pumila, Siberian elm.

Statutory Authority

§ 3.2-802 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 31, Issue 9, eff. January 29, 2015; amended, Virginia Register Volume 34, Issue 4, eff. November 30, 2017; Volume 36, Issue 22, eff. July 23, 2020; Volume 40, Issue 21, eff. July 4, 2024.

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