• algae

• almonds

• amaryllis

• apricots

• arrowhead vine

• asparagus fern

• autumn crocus

• azalea

• blackberry

• black-eyed Susan

• black nightshade

• bleeding heart

• boxwood

• bracken or brake fern

• buckeye

• buttercups

• cactus (spines)

• caladium

• calla lily

• castor beans

• ceriman

• charming dieffenbachia

• cherry

• Chinese evergreen

• chokecherry

• Christmas rose

• chrysan- themum

• cineraria

• clematis

• climbing nightshade

• cordatum

• corn plant

• cornstalk plant

• crabgrass

• crocus

• croton

• crown of thorns

• Cuban laurel

• daffodil

• devil's ivy

• dumb cane

• Easter lily

• elder- berry

• eleph- ant's ear

• emerald feather

• English holly

• ecalyptus

• fiddle-leaf fig

• foxglove

• glory lily

• gold dust dracaena

• helle- borus

• hemlock

• holly berries

• hyacinth

• hydr- angea

• iris

• ivy

• jack-in-the-pulpit

• Japanese show lily

• jasmine

• Jeru- salem cherry

• jonquil

• kalan- choe

• laburnum

• lantana

• larkspur

• ligustrum

• lily of the valley

• marble queen

• mari- juana

• mistletoe

• mons- hood

• morning glory

• mush- rooms

• narcissus

• neph- thytis

• nettles

• nutmeg

• oleander

• onion

• oriental lily

• peace lily

• peach

• pencil cactus

• periwinkle

• philo- dendron

• plumosa fern

• poinsettia

• poison hemlock

• poison ivy

• poison oak

• pokeweed

• potato

• precatory beans

• primrose

• privet

• purple foxglove

• red emerald

• red princess

• rhodo- dendron

• rhubarb

• rubber plants

• sago lily

• skunk cabbage

• spider plant

• spring bulbs

• string of pearls

• Swiss cheese plant

• taro vine

• tiger lily

• tinsel tree

• tobacco

• tomato plant

• tulip

• wandering Jew

• water hemlock

• wild black cherry

• wisteria

• yellow jasmine

• yew