Oleander, with its striking flowers and toxic leaves, causes severe poisoning with symptoms like nausea, vomiting, abdominal pain, and fatal irregular heartbeats.
Foxglove, with tubular, bell-shaped flowers in purple, pink, white, and yellow, thrives in gardens, woodlands, and meadows, but its poisoning can be severe.
Rhododendron's vibrant flowers in pink, purple, red, and white can cause poisoning with symptoms like nausea, vomiting, abdominal pain, and breathing issues.
Azaleas, vibrant flowering shrubs in the Rhododendron family, cause severe poisoning with symptoms: nausea, vomiting, diarrhea, weakness, and breathing difficulty.