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SUMMARY OF PLANT PROTECTION REGULATIONS
Updated June 2015
New Hampshire Department of Agriculture, Markets, and Food
State Lab Building
29 Hazen Drive
Concord NH 03301
Phone: (603) 271-2561; Fax: (603) 271-3692
Piera Siegert State Entomologist
Prenotification of nursery stock shipments, when required, should be sent to the above address or fax number.
The information, as provided, is for informational purposes only and should not be interpreted as complete, nor should it be considered legally binding. Coordination with both your state and the destination state plant regulatory agency listed above may be necessary to stay up-to-date on revised requirements.
NURSERY STOCK DEFINITION
All hardy deciduous and evergreen trees and shrubs, brambles, woody vines, woody florist stock and herbaceous annuals and perennials, their roots, cuttings, grafts, scions, buds, fruit pits, seeds and plant parts thereof including any collected plants, for and capable of propagation.
GENERAL SHIPPING REQUIREMENTS
All shipments into New Hampshire must be accompanied by a valid authorized nursery inspection certificate affirming that the nursery stock is free of injurious plant pests or diseases. Certificates must include the names and addresses of the consignor and consignee.
The following list of aquatic weeds is regulated by the Department of Environmental Services (RSA 487:15)
Butomous umbellate Flowering Rush
Cabomba caroliniana Fanwort
Egeria densa Brazilian elodea
Hydrilla verticillata Hydrilla
Hydrocharis morsus-ranae European Frogbit
Lythrum salicaria Purple loosestrife
Myriophyllum aquaticum Parrot Feather
Myriophyllum heterophyllum Variable Milfoil
Myriophyllum spicatum European Water-Milfoil
Najas minor European Naiad
Nymphoides peltata Yellow Floating Heart
Phragmites australis Common Reed
Potomogeton crispus Curly-leaf Pondweed
Trapa nutans Water Chestnut
The following list of upland terrestrial weeds is regulated by the Department of Agriculture, Markets & Food, Division of Plant Industry (RSA 430:55)
Acer platanoides Norway maple
Ailanthus altissima Tree of heaven
Alliaria petiolata Garlic mustard
Berberis thunbergii Japanese barberry
Berberis vulgaris European barberry
Celastrus orbiculatus Oriental bittersweet
Centaurea biebersteinii spotted knapweed
Cynanchum nigrum Black swallow-wort
Cynanchum rossicum Pale swallow-wort
Elaeagnus umbellate Autumn olive
Euonymus alatus Burning bush
Heracleum mantegazzianum Giant hogweed
Hesperis matronalis dame's rocket
Iris pseudacorus Water-flag iris
Lepidium latifolium perrenial pepperweed
Ligustrum obtusifolium Blunt-leaved privet
Lonicera x bella Showy bush honeysuckle
Lonicera japonica Japanese honeysuckle
Lonicera morrowii Morrow's honeysuckle
Lonicera tatarica Tatarian honeysuckle
Microstegium vimineum Japanese stilt grass
Polygonum cuspidatum Japanese knotweed
Polygonum perfoliatum mile-a- minute vine
Reynoutria x bohemica bohemia knotweed
Rhamnus cathartica Common buckthorn
Rhamnus frangula Glossy buckthorn
Rosa multiflora Multiflora rose
QUARANTINES OR ADDITIONAL REQUIREMENTS
HEMLOCK WOOLLY ADELGID QUARANTINE
PEST: Hemlock Woolly Adelgid (Adelges tsugae)
STATES REGULATED: AK, CA, CT, DE, GA, KY, MA, MD, ME, NC, NH, NJ, NY, OR, PA, RI, SC, TN, VA, VT, WA, WV.
MATERIALS REGULATED: Hemlock seedlings, nursery stock, logs, lumber with bark chips, and uncomposted bark.
RESTRICTIONS: All regulated articles and commodities having originated or previously been held in a quarantined area are prohibited entry into non-quarantined counties within NH (Coös, or Grafton) unless specifically authorized by the NH Department of Agriculture, Markets & Food. Hemlock seedlings and nursery stock from non-quarantined areas shipped into non-quarantined counties within NH shall be accompanied by a state phytosanitary certificate, certificate of origin or other state-issued documentation. For more details on the quarantine (amended March 2014), and a list of quarantined counties, please refer to the website below:
WHITE PINE BLISTER RUST QUARANTINE
PEST: The fungus Cronartium ribicola which causes white pine blister rust.
STATES REGULATED: All
MATERIALS REGULATED: Plants of all species and varieties of Ribes.
RESTRICTIONS: Only the following species and varieties of currants and gooseberries shall be imported and planted:
Black Currant: “Crandall”, “Willoughby”
Red Currant: “Rondom”
White Currant: “White currant 1301”
Gooseberry and Gooseberry crosses: “Jahns Prairie”, “Captivator”, “Careless”, “Clark”, “Crown Bob”, “Downing”, “Howards Lancer”, “Sabine”, “Jostaberry”
Planting these varieties within New Hampshire shall be by permit approved by the NH Department of Resources and Economic Development, Division of Forests and Lands. For more information, please refer to the website below:
EXTERIOR FIREWOOD QUARANTINE
PEST: Insects and diseases capable of being transported in firewood.
STATES REGULATED: All
MATERIALS REGULATED: Any untreated kindling, logs, timber, or other portions of a tree of any species or length, cut or split, or not cut or split but intended to be cut or split, into a form and size appropriate for use as fuel for fires in open pit, grill, fireplace, stove, or other wood burning furnaces or devices. Treated firewood must be certified by state or federal officials as heat-treated in a kiln to an interior wood temperature of 160 F for 75 minutes, and have contact information for the company, as well as standards used for heat treatment clearly marked on the label.
RESTRICTIONS: Untreated firewood shall not be imported into the State of New Hampshire from any other state, except as permitted below under a compliance agreement. Homeowners and firewood producers can obtain a compliance agreement from the NH Department of Agriculture, Markets & Food or the NH Department of Resources and Economic Development to import untreated firewood from the following areas:
Maine- Franklin, Oxford, Androscoggin, Cumberland, York
Vermont- All counties