Plants That Are Poison - Beginning With The Letter H

PLANT NAME		PICTURE	EFFECT
Heart Leaf	Philodendron		Can irritate the skin, mouth, tongue, and throat, resulting in throat swelling, breathing difficulties, burning pain, may cause a skin rash or irritation
Heather	Calluna vulgaris	Several Varieties	These plants may cause serious illness or death
Heliotrope	Heliotropium arborescens		These plants may cause serious illness or death
Hellebore	Helleborus	Several Varieties	May cause a skin rash or irritation, may cause serious illness or death
Hemlock, Poison Hemlock, Water	Conium maculatum Cicada		These plants may cause serious illness or death
Henbane, Black	Hyoscyamus niger		These plants may cause serious illness or death
Holly (Berries)	Ilex		Ingestion of these plants may cause minor illnesses
Hollyhock	Alcea rosea	Several Varieties	May cause a skin rash or irritation
Honey bush	Melianthus		These plants may cause serious illness or death
Hyacinth	Hyacinthus orientalis	Several Varieties	Ingestion of these plants may cause minor illnesses, may cause a skin rash or irritation
Hydrangea	Hydrangea	Different Colors Depending Upon The PH Of Your Soil	May cause a skin rash or irritation, may cause serious illness or death

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