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

Compatible Plants

Plant nameSpecial application notes
Aaron's beard
Hypericum calycinum
Abelia (Edward Goucher)
Acacia (Abyssinica)
Acacia (Prostrate)
Acacia (Shoestring)
AlmondNon-bearing nut tree
alyssum
Alyssum
American sycamore
Platanus occidentalis
Amur maple
Acer ginnala
Andromeda (Japanese)
angelwing jasmine
Jasminum nitidum
apple
Malus
Non-bearing fruit tree
apricot
Prunus armeniaca
Non-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)
Arborvitae (Pyramidalis-pyramid)
Arborvitae (Rheingold)
Arborvitae (Techny)
arctotis
Arctotis
Arizona cypress
Cupressus arizonica
asparagus
Asparagus officinalis
Apply prior to spear emergence of established plants.
asparagus fern
Asparagus densiflorus
aster
Aster
Austrian pine
Pinus nigra
AvocadoNon-bearing fruit tree
azaleas
Rhododendron
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)
Barberry (Aurea-golden Japanese)
Barberry (Crimson pygmy)
Barberry (Mento)
Barberry (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 nigra
Non-bearing nut tree
blackberry
Rubus
Non-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)
Boxwood (Harlands)
Boxwood (Japanese)
Boxwood (Korean)
Boxwood (Littleleaf)
bristlecone pine
Pinus aristata
broccoli
Brassica oleracea var. botrytis
Apply before seeding or before transplanting
Broom (Hollandia-warminster)
Broom (Lena-Scotch)
brussels sprouts
Brassica oleracea var. gemmifera
Apply before seeding or before transplanting
Bunge
cabbage
Brassica oleracea var. capitata
Apply before seeding or before transplanting
Calendula
California poppy
Eschscholzia californica
California sycamore
Platanus racemosa
Calliopsis
Camellia (Japanese)
canada hemlock
Tsuga canadensis
canada hemlock
Tsuga canadensis
Canary Island pine
Pinus canariensis
cantalope
Cucumis melo
Apply 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 mollissima
Non-bearing nut tree
Chinese elm
Ulmus parvifolia
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)
Cypress (Filifera-thread)
Cypress (Gracillis-slender Hinoki)
Cypress (Squarrosa-moss)
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
Dogwood
Dogwood (Baileyi red osier)
Dogwood (Cloud nine)
Dogwood (Flaviramea-yellowtwig)
Dogwood (Sibirica-Siberian)
Douglas fir
Pseudotsuga menziesii
Dusty miller
Centaurea cineraria
eastern redbud
Cercis canadensis
eastern red-cedar
Juniperus virginiana
eastern white pine
Pinus strobus
eggplant
Solanum melongena
Apply before transplanting
Elaeagnus
Elaeagnus
Elchholz
ElderberryNon-bearing fruit plant
Elm
English ivy
Hedera helix
English lavender
Lavandula angustifolia
English walnut
Juglans regia
Non-bearing nut tree
Eucalyptus
Eucalyptus (Mealy)
Eucalyptus (Redgum)
Eucalyptus (Silver dollar)
Euonymus (Canadale)
Euonymus (Emerald'n gold)
Euonymus (Silver king)
Euonymus (Spreading)
Euonymus (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
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 paradisi
Non-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)
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
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 chinensis
Non-bearing fruit plant
Kousa dogwood
Cornus kousa
Lamb's ears
lantana
Lantana
Laurel
Laurel (American Cherry)
Leaf (Copper)
Leaf (Lemon)
lemon
Citrus limon
Non-bearing fruit tree
LentilsApply before seeding
Leucothoe (Coast)
Leucothoe (Drooping)
Lilac (Chinese)
Lilac (Wild)
lily of the Nile
Agapanthus africanus
Lily turf (Creeping)
Lily turf (Green)
Lily turf (Lilac beauty)
Lily turf (Magestic)
Lily turf (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 integrifolia
Non-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)
Maple (Red Sunset)
Maple (Roseus-flowering)
Maple (Tangerine-flowering)
Maple (Vesuvius red-flowering)
marigold
Tagetes
Mascarene grass
Zoysia tenuifolia
Mesquite (Chilean)
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 esculentus
Apply before seeding
Oleander (Hardy red)
Oleander (Ruby lace)
olive
Olea europaea
Non-bearing fruit plant
Olive (Black)
OnionsApply before transplanting
orange
Citrus sinensis
Non-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 persica
Non-bearing fruit tree
pear
Pyrus
Non-bearing fruit tree
Peas (Black-eyed)Apply before seeding
Peas (Field)Apply before seeding
Peas (Green)Apply before seeding
pecan
Carya illinoinensis
Non-bearing nut tree
PeppersApply before transplanting
periwinkle
Vinca
Peter Pan (Dwarf)
Petunia
Petunia
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 vera
Non-bearing nut tree
Pittosporum (Green)
Pittosporum (Japanese)
Pittsosporum (Wheeler's dwarf)
PlumNon-bearing fruit tree
Plumbago
Plumbago (Dwarf)
Podocarpus
pomegranate
Punica granatum
Non-bearing fruit plant
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 sativus
Apply 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)
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
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 cerasus
Non-bearing fruit tree
sourwood
Oxydendrum arboreum
speedwell
Veronica
Spiraea (Anthony Waterer)
Spiraea (Bridal wreath)
Spiraea (Dolchia)
Spiraea (False)
Spiraea (Japanese alpine)
Spruce (Colorado)
Spruce (Dwarf Alberta)
Spruce (Dwarf globe blue)
Spruce (Glauca-Colorado blue)
Spruce (Hoopsii-Hoop's blue)
Spruce (Koster-Koster blue)
Spruce (Pendula-weeping Norway)
Spruce (Repens-spreading Norway)
Spurge (Japanese)
St. John's wort
Statice
Limonium leptostachyum
Stawberry (Beach)Non-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 avium
Non-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 reticulata
Non-bearing fruit plant
Templebells
Thrift
Tickseed
TomatoesApply before transplanting
toyon
Heteromeles arbutifolia
trumpet honeysuckle
Lonicera sempervirens
Tulip
tuliptree
Liriodendron tulipifera
Valley rose
Vally valentine
Vanhoutte
verbena
Verbena
viburnum
Viburnum
watermelon
Citrullus lanatus
Apply 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
Yarrow
Yew (Anglojap)
Yew (Plum)
Yew (Upright Japanese)
Yewpine
Yucca
Zinnia
Zinnia