Updated: October 13, 2026

If you are looking for annual flowers that groundhogs will not eat, the safest answer is to lean on plants with strong scent, fuzzy foliage, or bitter sap, then back them up with exclusion. Groundhogs are selective, but if your yard has tender greens or open access, they will still sample a lot of ornamentals. The goal is not to find a perfect “untouchable” flower, it is to choose annuals that groundhogs pass over more often and place them where the animals cannot reach your best beds.

Annual flowers groundhogs are least likely to eat

Choose annuals with scent, texture, or chemical compounds that groundhogs dislike. These plants give you the best chance of keeping color in the garden without feeding the burrow builder next door.

Strong-scented annual flowers

Marigolds, nicotiana, and scented geraniums are smart choices. Their odors are not appealing to groundhogs, and they hold up well in mixed beds. Nasturtiums also help in some gardens, but groundhogs will still eat them if they are hungry enough, so do not use them as the only defense.

Bitter or fuzzy annual flowers

Dusty miller, calendula, and zinnias are better bets than soft, juicy bedding plants. Groundhogs prefer lush, tender growth, and these flowers have a texture or taste that makes them less attractive. If you want a dependable border, plant them along the edge of the bed closest to the lawn or brush line.

Annual flowers that work as a living buffer

Use a ring of less-favored annuals around more vulnerable flowers. A border of marigolds, zinnias, and nicotiana will not stop a determined groundhog, but it does reduce casual browsing and gives you a clear outer layer before the animal reaches the center of the bed.

Plants that groundhogs won’t eat, and how to use them

There are very few plants groundhogs will never eat, but some are strongly avoided because they are aromatic, leathery, or toxic. Place these where you need protection, not just decoration.

Best plant types for deterrence

Lavender, rosemary, sage, and thyme are strong-smelling plants that groundhogs dislike. Herbs work well near patio edges, raised beds, and pathways. In flower beds, bee balm and Russian sage also help build a scent barrier. For shrubs and perennials, boxwood and daffodils are reliable choices around vulnerable areas.

How to plant them for better results

Put the least-favored plants on the outer edge of the garden and near known entry points. Tight spacing helps because it leaves less bare soil for digging. A single lavender plant in a wide open bed does little, but a continuous border of herbs and sturdy ornamentals creates a barrier groundhogs do not like to cross.

Garden vegetables groundhogs won’t eat as readily

Groundhogs love beans, peas, lettuce, broccoli, and squash, so the “safe” vegetable list is short. Your best options are the crops they avoid because of texture, scent, or plant structure.

Vegetables with better resistance

Onions, garlic, leeks, and scallions are the strongest choices for a groundhog-prone garden. Their sulfur smell pushes groundhogs away, and they fit well along borders. Hot peppers are also poor targets because the animals do not want the capsaicin. Asparagus and artichokes can be left alone in some yards, but fencing still matters.

How to protect the rest of the vegetable garden

  1. Plant onions, garlic, or chives as a border around vulnerable crops.
  2. Keep low tunnels or row cover over seedlings until they harden off.
  3. Remove ripe produce daily so groundhogs do not learn the bed is an easy meal.
  4. Water the soil, not the leaves, so tender new growth does not become extra attractive.

How to keep groundhogs out of flower beds and vegetable patches

Plant choice helps, but exclusion solves the problem. If a groundhog can walk into the bed, it will sample the most tender option available. A barrier beats replanting after every feeding session.

Fence design that works

Use 1-inch welded wire or hardware cloth, 3 to 4 feet tall, with the bottom 12 inches buried or bent outward in an L-shape. Groundhogs dig, so the lower edge must stop tunneling. Add an electric fence strand 4 inches off the ground and a second strand 8 inches up if the yard sees repeated damage.

Blocking burrows and pressure points

Find active burrow openings near sheds, decks, and fence lines. Pack inactive holes with soil and leaves after you are certain the tunnel is empty. Then block access with hardware cloth, large rocks, or buried wire so the animal cannot reopen the route. If you remove a burrow without protecting the opening, the groundhog will rebuild it.

Damage prevention that keeps plants alive all season

Groundhogs are easier to manage when the yard is less attractive. Clean beds and sturdy borders make it harder for them to settle in and easier for you to spot new damage fast.

Remove the food and cover

Pick up fallen fruit, trim weeds, and keep grass short around the garden. Groundhogs use dense cover to move safely, so open sight lines matter. Compost piles, brush stacks, and wood piles close to the garden give them shelter and should be moved away from planting areas.

Use repellents as a short-term backup

Commercial repellents with castor oil, capsaicin, or bitter ingredients can help after replanting, but only as a backup. Apply them exactly as directed and reapply after heavy rain. Sprays work best on the outer ring of plants, not as the only defense for a bed that groundhogs already access.

Groundhog control that actually lasts

For a lasting fix, pair plant selection with trapping or professional removal when the animal is already living under a structure or using a recurring burrow. Once the burrow is active, flowers and vegetables alone will not stop the damage. The fastest path is to remove the animal, seal the entry points, and then replant with tougher choices the groundhog does not want to eat.

Frequently Asked Questions

What annual flowers do groundhogs avoid most?

Marigolds, nicotiana, dusty miller, zinnias, and calendula are strong options. They are not guaranteed, but they are more resistant than tender bedding plants like impatiens, petunias, or begonias.

Are there any vegetables groundhogs never eat?

No garden vegetable is completely safe. Onions, garlic, leeks, scallions, and hot peppers are the best deterrent crops, and they work best when planted as a border around more vulnerable vegetables.

Will repellents alone keep groundhogs out?

No. Repellents help for short periods, but fencing, burrow control, and cleanup of food sources are what keep groundhogs out of yards and gardens long term.