Berries are a mainstay of Southern tables in the summer.

In fact, some weeds produced berries that are downright toxic.

Cotoneaster

These plants can provide a bright splash of color in a winter garden.

Pokeweed Berries on Pretty Red Foliage

Credit: Getty/Pilar Azaña Talán

The berries make gorgeous additions to fall wreaths and dried flower arrangements.

While their colorful berries are pretty, eating them can cause serious stomach upset.

That berry should not be eaten and, in fact, if touched can cause a rash.

Pokeweed Vine with Berries

Credit: Getty/Raquel Lonas

In fact, it is one of the most toxic plants in the entire hemisphere.

There is nothing festive about severe nausea, vomiting, and other stomach upset.

Ivy Berries

Ivy is either an obnoxious invasive species or a great addition to a garden.

Cotoneaster Red Berries on Green Foliage

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Either way, when it sprouts berries, whether purple-black or orange-yellow in color, stay clear.

American Bittersweet Berries on Branch

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Horsenettle Flowers

Credit: Getty/Sushil Murmu

Deadly Nightshade Atropa Belladonna

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Holly Berries on Vine

Credit: Getty/Kazam Jan / EyeEm

Virginia Creeper Weed Berries

Credit: Getty/Eine Berta-Stenfors / EyeEm

Ivy Berries

Credit: Getty/Ronny Dyscher / EyeEm