Oleander. While its showy flowers are a natural draw for those looking to add a drought-tolerant, deer-resistant plant to their garden, oleanders are one of the more deadly shrubs commonly grown in the US. All parts of the plant can be lethal if ingested in excess. Just touching its sap can irritate and inflame your eyes.
Sweet peas in the sweetest pastels, Sweet pea (Lathyrus odoratus) is a flowering plant in the genus Lathyrus in the family Fabaceae (legumes), native to the Sicily, southern Italy and the Aegean Islands.