Hosts and Pests of Nursery Crops

Melissa Scherr and Lloyd Nackley
Revised: 
March 2021

In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pesticide label is a legal document. Read the product label before making any pesticide applications.

Note: Products are listed in alphabetical order and not in order of preference or superiority of pest control.

Not all products listed are registered in all states.

Alder (Alnus)

Andromeda (Pieris japonica)

Apricot, flowering (Prunus)

Arborvitae (Thuja)

Ash (Fraxinus)

Aspen (Populus tremuloides)

Azalea (Rhododendron)

Bamboo (Bambusa and others)

Barberry (Berberis)

Beech (Fagus)

Birch (Betula)

Boxwood (Buxus)

Camellia (Camellia)

Cherry, flowering (Prunus)

Chestnut (Castanea)

Cotoneaster (Cotoneaster)

Cottonwood (Populus)

Crabapple (Malus)

Daffodil (Narcissus)

Dahlia (Dahlia)

Daphne (Daphne)

Dogwood (Cornus)

Douglas-fir (Pseudotsuga)

Elm (Ulmus)

Euonymus (Euonymus)

Fir (Abies)

Fuchsia (Fuchsia)

Golden chain (Laburnum)

Hawthorn (Crataegus)

Hemlock (Tsuga)

Holly (Ilex)

Honey locust (Gleditsia triacanthos)

Ivy (Hedera)

Japanese holly (Ilex)

Juniper (Juniperus)

Kinnikinnick (Arctostaphylos)

Laurel, Portuguese (Prunus)

Lilac (Syringa)

Linden (Tilia)

Madrone (Arbutus)

Maple (Acer)

Mountain ash (Sorbus)

Narcissus (Narcissus)

Oak, Garry (Quercus)

Peach, flowering (Prunus)

Photinia (Photinia)

Pine (Pinus)

Plum, flowering (Prunus)

Poplar (Populus)

Privet (Ligustrum)

Rhododendron (Rhododendron)

Rose (Rosa)

Sequoia/redwood (Sequoia)

Skimmia (Skimmia)

Spiraea (Spiraea)

Spruce (Picea)

Sycamore (Platanus)

Viburnum (Viburnum)

Willow (Salix)

Yew (Taxus)