Delaware Code
Chapter 29. Invasive and Potentially Invasive Plants
§ 2904. Regulations; designation of plants.

(a) (1) The Secretary shall adopt regulations necessary to carry out the purposes of this chapter.
(2) The regulations adopted under paragraph (a)(1) of this section shall include all of the following:

a. Maintaining the Invasive Plant List.
b. Establishing and maintaining the Plant Watch List.
(3) The Secretary shall adopt regulations under paragraph (a)(2) of this section with the advice of the Delaware Native Species Commission, so long as the Delaware Native Species Commission exists.
(b) The Invasive Plant List contains plants that are known to be invasive plants. Until revised under paragraph (a)(2)a. of this section, the Invasive Plant List is as follows:

(1) Amur honeysuckle (Lonicera maackii).
(2) Autumn olive (Elaeagnus umbellate).
(3) Callery pear (Pyrus calleryana).
(4) Chinese wisteria (Wisteria sinensis).
(5) Creeping Jenny (Lysimachia nummularia).
(6) Creeping water primrose (Ludwigia peploides subsp. glabrescens).
(7) English ivy (Hedera helix).
(8) European privet (Ligustrum vulgare).
(9) European reed (Phragmites australis subsp. australis).
(10) European sweetflag (Acorus calamus).
(11) Garlic mustard (Alliaria petiolate).
(12) Hydrilla (Hydrilla verticillate).
(13) Japanese barberry (Berberis thunbergia).
(14) Japanese honeysuckle (Lonicera japonica).
(15) Japanese knotweed (Fallopia japonica).
(16) Japanese pachysandra (Pachysandra terminalis).
(17) Japanese stiltgrass (Microstegium vimineum ).
(18) Lesser celandine (Ficaria verna).
(19) Lesser periwinkle (Vinca minor).
(20) Marsh dewflower (Murdannia keisak).
(21) Mile-a-minute weed (Persicaria perfoliate).
(22) Morrow's honeysuckle (Lonicera morrowii).
(23) Multiflora rose (Rosa multiflora).
(24) Norway maple (Acer platanoides).
(25) Orange daylily (Hemerocallis fulva).
(26) Oriental bittersweet (Celastrus orbiculatus).
(27) Parrot-feather (Myriophyllum aquaticum).
(28) Porcelain berry (Ampelopsis glandulosa).
(29) Purple loosestrife (Lythrum salicaria).
(30) Spotted knapweed (Centaurea stoebe subsp. micranthos).
(31) Tatarian honeysuckle (Lonicera tatarica).
(32) Tree of heaven (Ailanthus altissima).
(33) Water hyacinth (Eichhornia crassipes).
(34) Wineberry (Rubus phoenicolasius).
(35) Winged euonymus (Euonymus alatus).
(36) Yam-leaved clematis (Clematis terniflora).
(37) Yellow flag iris (Iris pseudoacorus).
(c) (1) The Plant Watch List contains plants that have the potential to be invasive plants.
(2) The Secretary shall create and publish a template for the tags, labels, and signs that must be used to identify a plant on the Plant Watch List as being potentially invasive.