Plant Check help
Check if your garden plant is compatible with this Preen product.

Compatible Plants

Plant nameSpecial application notes
Aaronsbeard Hypericum calycinum
Abelia (Edward Goucher) Abelia x grandiflora 'Edward Goucher'
Acacia (Abyssinica) Acacia abyssinica
Acacia (Prostrate) Acacia redolens
Acacia (Shoestring) Acacia stenophylla
AlmondNon-bearing nut tree
alyssum Alyssum
American sycamore Platanus occidentalis
Amur maple Acer ginnala
Andromeda (Japanese)
angelwing jasmine Jasminum nitidum
apple MalusNon-bearing fruit tree
apricot Prunus armeniacaNon-bearing fruit tree
Arborvitae (American)
Arborvitae (Aureus nana-dwarf golden)
Arborvitae (Emerald)
Arborvitae (Globosa-globe)
Arborvitae (Little giant-dwarf)
Arborvitae (Minima glauca-dwarf)
Arborvitae (Nigra-dark American) Thuja occidentalis
Arborvitae (Pyramidalis-pyramid) Thuja occidentalis 'Pyramidalis'
Arborvitae (Rheingold) Thuja occidentalis 'Rheingold'
Arborvitae (Techny) Thuja occidentalis 'Techny'
arctotis Arctotis
Arizona cypress Cupressus arizonica
asparagus Asparagus officinalisApply prior to spear emergence of established plants.
asparagus fern Asparagus densiflorus
aster Aster
Austrian pine Pinus nigra
AvocadoNon-bearing fruit tree
azaleas Rhododendron
baby's breath Gypsophila paniculata
baldcypress Taxodium distichum
Balsam
Bamboo (Compacta-dwarf)
Bamboo (Harbour dwarf-heavenly)
Bamboo (Nana purpurea-heavenly)
Bamboo (Nana-compacta-heavenly)
Bamboo (Woods dwarf heavenly)
Banana
Barberry (Atropurea-redleaf Japanese) Berberis thunbergii 'Atropurpurea'
Barberry (Aurea-golden Japanese) Berberis thunbergii 'Aurea'
Barberry (Crimson pygmy)
Barberry (Mento)
Barberry (Rose glow) Berberis thunbergii var. atropurpurea 'Rose Glow'
Barberry (William Penn) Berberis × gladwynensis 'William Penn'
bear oak Quercus ilicifolia
Beard tongue Penstemon
Bee balm
begonia Begonia
bellflower Campanula
big blue lilyturf Liriope muscari
black locust Robinia pseudoacacia
black walnut Juglans nigraNon-bearing nut tree
blackberry RubusNon-bearing fruit plant
blackeyed Susan Rudbeckia hirta
blackgum Nyssa sylvatica
Bleeding heart
BlueberryNon-bearing fruit plant
Bottle tree
Bottlebrush (Lemon)
Bottlebrush (Weeping)
Bougainvillea (Barbara Karst) Bougainvillea 'Barbara Karst'
Bougainvillea (California Gold) Bougainvillea 'California Gold'
Bougainvillea (Pink pixie) Bougainvillea 'Pink Pixie'
Bougainvillea (Scarlett O'Hara) Bougainvillea 'Scarlett O'Hara'
Bougainvillea (Temple fire) Bougainvillea 'Temple Fire'
Bougainvillea (Texas dawn) Bougainvillea 'Texas Dawn'
Boxwood (Common) Buxus sempervirens
Boxwood (Harlands) Buxus harlandii
Boxwood (Japanese) Buxus microphylla japonica
Boxwood (Korean) Buxus microphylla koreana
Boxwood (Littleleaf) Buxus microphylla
bristlecone pine Pinus aristata
broccoli Brassica oleracea var. botrytisApply before seeding or before transplanting
Broom (Hollandia-warminster)
Broom (Lena-Scotch) Cytisus scoparius 'Lena'
brussels sprouts Brassica oleracea var. gemmiferaApply before seeding or before transplanting
Bunge
cabbage Brassica oleracea var. capitataApply before seeding or before transplanting
Calendula Calendula
California poppy Eschscholzia californica
California sycamore Platanus racemosa
Calliopsis
Camellia (Japanese)
canada hemlock Tsuga canadensis
Canary Island pine Pinus canariensis
cantalope Cucumis meloApply after seeding or transplanting. Apply after plants have 5 or more leaves.
cape marigold Dimorphotheca
Cape weed Arctotheca calendula
Carex (variegated)
carnation Dianthus caryophyllus
Carob
Carolina jessamine Gelsemium sempervirens
Carolina laurelcherry Prunus caroliniana
Carpet bugle
CarrotsApply before seeding
carrotwood Cupaniopsis anacardioides
Cassia (Feathery)
CauliflowerApply before seeding or before transplanting
Ceanothus Ceanothus
CeleryApply before seeding or before transplanting
Centaurea (Velvet)
centuryplant Agave americana
Cherry (Dwarf pink flowering almond)
Cherry (Yoshino flowering)
Chinese chestnut Castanea mollissimaNon-bearing nut tree
Chinese elm Ulmus parvifolia
Chrysanthemum Chrysanthemum
cinquefoil Potentilla
Cleyera (Japanese)
CollardApply before seeding
common lilac Syringa vulgaris
Coolibah tree
cosmos Cosmos
cotoneaster Cotoneaster
Cotoneaster (Bearberry)
Cotoneaster (Himalayan)
Cotoneaster (Praecox-early)
Cotoneaster (Pyrenees)
Cotoneaster (Rock)
Cotoneaster (Zabel)
cottonwood Populus deltoides
Coyote bush
Coyotebush (Kosteri)
Coyotebush (Nana-dwarf Japanese)
Coyotebush (Torulosa)
Crabapple
cranberry cotoneaster Cotoneaster apiculatus
crapemyrtle Lagerstroemia indica
creeping mahonia Mahonia repens
crownvetch Coronilla varia
CucumberApply after seeding or transplanting. Apply after plants have 5 or more leaves.
CurrantNon-bearing fruit plant
Cypress (Filicoides-fernspray) Chamaecyparis obtusa 'Filicoides'
Cypress (Filifera-thread)
Cypress (Gracilis-slender Hinoki) Chamaecyparis obtusa 'Gracilis'
Cypress (Squarrosa-moss) Chamaecyparis pisifera 'Squarrosa'
Cypress (Swara false)
daffodil Narcissus
dahlia Dahlia
Daisy (African) Arctotis stoechadifolia
Daisy (Painted)
Daisy (Shasta)
Daisy (Trailing African)
Daphne (Fragrant)
daylily Hemerocallis
Descampsia
Deutzia
DewberryNon-bearing fruit plant
Dianthus Dianthus
Dogwood
Dogwood (Baileyi red osier)
Dogwood (Cloud nine) Cornus florida 'Cloud Nine'
Dogwood (Flaviramea-yellowtwig)
Dogwood (Sibirica-Siberian) Cornus alba 'Sibirica'
Douglas fir Pseudotsuga menziesii
Dusty miller Centaurea cineraria
eastern hemlock Tsuga canadensis
eastern redbud Cercis canadensis
eastern red-cedar Juniperus virginiana
eastern white pine Pinus strobus
eggplant Solanum melongenaApply before transplanting
Elaeagnus Elaeagnus
Elchholz
ElderberryNon-bearing fruit plant
Elm Ulmus
English ivy Hedera helix
English lavender Lavandula angustifolia
English walnut Juglans regiaNon-bearing nut tree
Eucalyptus Eucalyptus
Eucalyptus (Mealy)
Eucalyptus (Redgum)
Eucalyptus (Silver dollar) Eucalyptus cinerea
Euonymus (Canadale)
Euonymus (Emerald'n gold) Euonymus fortunei 'Emerald & Gold'
Euonymus (Silver king)
Euonymus (Spreading)
Euonymus (Sunspot) Euonymus fortunei 'Sunspot'
Euonymus (Variegated Evergreen)
Euonymus (Winged)
Euonymus (Wintercreeper)
European white birch Betula pendula
Fern (Japanese Painted)
Fern (Tassel)
Fescue (blue)
Fescue (Floss flower)
Ficus
Ficus (Mini)
FigNon-bearing fruit tree
FilbertNon-bearing plant
Fir
Fir (Balsam)
firethorn Pyracantha
florida anise-tree Illicium floridanum
flowering dogwood Cornus florida
forget-me-not Myosotis
forsythia Forsythia
Four o'clock
Foxglove Digitalis
gaillardia Gaillardia
gardenia Gardenia
Gardenia (August beauty)
Gardenia (Mystery)
Gardenia (Radican)
Gayfeather Liatris
gazania Gazania
geranium Geranium
Germander Teucrium
Geum Geum
giant sequoia Sequoiadendron giganteum
gladiolus Gladiolus
glossy abelia Abelia grandiflora
Golden glow
GooseberryNon-bearing fruit plant
Grape (American)Non-bearing fruit plant
Grape (European)Non-bearing fruit plant
grapefruit Citrus paradisiNon-bearing fruit plant
Grass (beach)
Grass (Dwarf Mondo)
Grass (Eulalia)
Grass (Fountain)
Grass (Mondo)
Grass (Ribbon)
Grass (Zoysia)
green hawthorn Crataegus viridis
Guara
Guava
Hakonechloa (Golden)
Hawthorn (India)
Heather (Cornish)
Heather (Mediterranean pink)
Heather (Purple bell)
Heather (Spring torch scotch)
heavenly bamboo Nandina domestica
Hemlock
hibiscus Hibiscus
Hibiscus (Ross Estey) Hibiscus rosa-sinensis 'Ross Estey'
holly Ilex
hollyhock Alcea rosea
Honey locust Gleditsia triacanthos
Honey locust (Shademaster) Gleditsia triacanthos inermis 'Shademaster'
Honeysuckle
Honeysuckle (Cape) Tecoma capensis
hopseed bush Dodonaea viscosa
Hosta (Albo-marginata)
Hyacinth Hyacinthus
Ice plant (Largeleaf)
Ice Plant (Trailing rosea)
Ice plant (Trailing)
Ice plant (White)
Impatiens Impatiens
Iris (Bulbous)
Ivy (Algerian)
Ivy (California)
Ivy (Needlepoint)
Ixora Ixora
Japanese barberry Berberis thunbergii
Japanese black pine Pinus thunbergiana
Japanese larch Larix kaempferi
Jasmine (Asian)
juniper Juniperus
KaleApply before seeding
kiwi Actinidia chinensisNon-bearing fruit plant
Kousa dogwood Cornus kousa
Lamb's ears
lantana Lantana
Laurel
Laurel (American Cherry)
Leaf (Copper)
Leaf (Lemon)
lemon Citrus limonNon-bearing fruit tree
LentilsApply before seeding
Leucothoe (Coast)
Leucothoe (Drooping)
Lilac (Chinese)
Lilac (Wild)
lily of the Nile Agapanthus africanus
Lily turf (Creeping) Liriope spicatum
Lily turf (Green)
Lily turf (Lilac beauty) Liriope muscari 'Lilac Beauty'
Lily turf (Majestic) Liriope muscari 'Majestic'
Lily turf (Silvery sunproof) Liriope muscari 'Silvery Sunproof'
Lily turf (Variegated liriope)
Lily turf (White)
Lily-of-the-Valley Convallaria majalis
Lily-of-the-Valley (Forest flame)
Lily-of-the-Valley (Mountain fire)
Lily-of-the-Valley (Snowdrift)
Lima beansApply before seeding
Linden
live oak Quercus virginiana
lobelia Lobelia
loblolly pine Pinus taeda
LoganberryNon-bearing fruit plant
London planetree Platanus acerifolia
lupine Lupinus
macadamia nut Macadamia integrifoliaNon-bearing nut tree
magnolia Magnolia
Mahogany
Mahonia (Leather leaf)
maidenhair tree Ginkgo biloba
Maple
Maple (Albus-flowering)
Maple (Coral bark Japanese)
Maple (Dwarf Japanese)
Maple (Flame)
Maple (Luteus-flowering) Abutilon 'Luteus'
Maple (Red Sunset)
Maple (Roseus-flowering) Abutilon 'Roseus'
Maple (Tangerine-flowering) Abutilon hybridum 'Tangerine'
Maple (Vesuvius red-flowering) Abutilon hybridum 'Vesuvius Red'
marigold Tagetes
Mascarene grass Zoysia tenuifolia
Mesquite (Chilean) Prosopis chilensis
mock orange Philadelphus
Monterey pine Pinus radiata
Morningglory Ipomoea
mountain laurel Kalmia latifolia
Mustard greensApply before seeding
Myoporum Myoporum
nasturtium Tropaeolum
NectarineNon-bearing fruit plant
Norway maple Acer platanoides
Norway spruce Picea abies
Oak (Red)
okra Abelmoschus esculentusApply before seeding
Oleander (Hardy red)
Oleander (Ruby lace)
olive Olea europaeaNon-bearing fruit plant
Olive (Black)
OnionsApply before transplanting
orange Citrus sinensisNon-bearing fruit tree
Osmanthus (Fortunes)
Ozark sundrop Oenothera macrocarpa
Palm (Areca) Areca
Palm (Chinese fountain)
Palm (Christmas)
Palm (Mexican fan)
pampas grass Cortaderia selloana
paper birch Betula papyrifera
parlor palm Chamaedorea elegans
peach Prunus persicaNon-bearing fruit tree
pear PyrusNon-bearing fruit tree
Peas (Black-eyed)Apply before seeding
Peas (Field)Apply before seeding
Peas (Green)Apply before seeding
pecan Carya illinoinensisNon-bearing nut tree
PeppersApply before transplanting
periwinkle Vinca
Peter Pan (Dwarf)
Petunia Petunia
Phlox Phlox
Photinia (Fraser's) Photinia × fraseri
pin oak Quercus palustris
Pincushion flower Chaenactis fremontii
Pine
Pine (Beach)
Pine (Bosnian)
Pine (Columnar Scotch)
Pine (Eldarica)
Pine (Mugo-mugho)
Pine (Pumillo-shrubbery swiss mountain)
pistachio nut Pistacia veraNon-bearing nut tree
Pittosporum (Green)
Pittosporum (Japanese)
Pittsosporum (Wheeler's dwarf)
PlumNon-bearing fruit tree
Plumbago
Plumbago (Dwarf)
Podocarpus
pomegranate Punica granatumNon-bearing fruit plant
Portulaca Portulaca
PotatoesApply after planting (except in Maine) before or after emergence. Use care not to damage seed pieces in culivating nor allow treated soil to contact emerged plant foliage.
Privet (Eastern)
Privet (Red cedar)
PruneNon-bearing fruit plant
purple coneflower Echinacea purpurea
pygmy date palm Phoenix roebelenii
queen palm Arecastrum romanzoffianum
radish Raphanus sativusApply before seeding
RaspberryNon-bearing fruit plant
red ironbark eucalyptus Eucalyptus sideroxylon
red maple Acer rubrum
red pine Pinus resinosa
Rhaphiolepis (Charisma-Monruce)
Rhaphiolepis (Enchantress-Moness)
Rhaphiolepis (Roundleaf)
Rhaphiolepis (Springtime-Monme)
rhododendron Rhododendron
river birch Betula nigra
Robira
rockrose Cistus
rose Rosa
Rose (Ramanas)
rose of Sharon Hibiscus syriacus
Rose of Sharon (Heart)
Rose of Sharon (Red bird)
Rose of Sharon (Woodbridge) Hibiscus syriacus 'Woodbridge'
rosemary Rosmarinus officinalis
Rudbeckia Rudbeckia
Rupturewort Herniaria
Russian olive Elaeagnus angustifolia
Sage (Russian)
sago palm Cycas revoluta
Sakaki Cleyera japonica
salvia Salvia
Sasanqua camellia Camellia sasanqua
scarlet oak Quercus coccinea
Scotch pine Pinus sylvestris
shamel ash Fraxinus uhdei
Shirobana
shore pine Pinus contorta
silver maple Acer saccharinum
Silver mound
Silverberry
Skimmia (Japanese) Skimmia japonica
Skimmia (Reeve's) Skimmia reevesiana
Smoke Tree (Coral beauty)
Smoke Tree (Royal purple) Cotinus coggygria 'Royal Purple'
smoketree Cotinus
Snap beansApply before seeding
Snapdragon
snow in summer Cerastium tomentosum
snow-on-the-mountain Euphorbia marginata
sour cherry Prunus cerasusNon-bearing fruit tree
sourwood Oxydendrum arboreum
speedwell Veronica
Spiraea (Anthony Waterer)
Spiraea (Bridal wreath) Spiraea prunifolia
Spiraea (Dolchia)
Spiraea (False)
Spiraea (Japanese alpine)
Spruce (Colorado) Picea pungens
Spruce (Dwarf Alberta) Picea glauca 'Conica'
Spruce (Dwarf globe blue)
Spruce (Glauca-Colorado blue) Picea pungens 'Glauca'
Spruce (Hoopsii-Hoop's blue) Picea pungens 'Hoopsii'
Spruce (Koster-Koster blue) Picea pungens 'Koster'
Spruce (Pendula-weeping Norway) Picea abies 'Pendula'
Spruce (Repens-spreading Norway) Picea abies 'Repens'
Spurge (Japanese) Pachysandra terminalis
St. John's wort
Statice Limonium leptostachyum
Stawberry (Beach) Fragaria chiloensisNon-edible fruit plant
Stokes' aster Stokesia laevis
stonecrop Sedum
sugar maple Acer saccharum
Sumac (African)
Summersweet
sunflower Helianthus
sweet alyssum Lobularia maritima
sweet cherry Prunus aviumNon-bearing fruit tree
Sweet sultan
Sweetgum (American)
sweetpea Lathyrus odoratus
Sweetspire (Henry Garnet holly leaf)
sweetwilliam Dianthus barbatus
Tab (Yellow)
TangeloNon-bearing fruit plant
tangerine Citrus reticulataNon-bearing fruit plant
Templebells
Thrift
Tickseed Coreopsis
TomatoesApply before transplanting
toyon Heteromeles arbutifolia
trumpet honeysuckle Lonicera sempervirens
Tulip Tulipa
tuliptree Liriodendron tulipifera
Valley rose
Vally valentine
Vanhoutte
verbena Verbena
viburnum Viburnum
watermelon Citrullus lanatusApply after seeding or transplanting. Apply after plants have 5 or more leaves.
wax myrtle Myrica cerifera
weigela Weigela
white ash Fraxinus americana
white fir Abies concolor
white mulberry Morus alba
white spruce Picea glauca
willow Salix
willow oak Quercus phellos
Wire plant
Wirevine (Creeping)
Woadwaxen
Woodbine (Flowering)
Woodbine (Serotina)
Xylosma Xylosma
Yarrow
Yew (Anglojap)
Yew (Plum)
Yew (Upright Japanese)
Yewpine
Yucca Yucca
Zinnia Zinnia