Like with trees and shrubs and any other plant material, there is no such thing as a completely deer-proof flower, as deer will eat almost any vegetation if they are hungry enough.
However, some flowers are considered to be less palatable to deer, or have physical characteristics that make them less attractive to browse. Here are a few examples of flowers that are considered to be deer-resistant:
Deer Resistant Flowers
Daffodils: Daffodils have a bitter taste that deer typically avoid. Daffodils are bulbs and will multiply quickly, giving you a great value from the initial purchase.
Marigolds: Marigolds have a strong, pungent scent that deer typically avoid. Also works well to repel several bad insects.
Shasta daisy: These flowers have a strong texture that deer typically avoid.
Salvia: Salvias have an unappealing taste and scent for deer. There are both annual and perennial salvia and it comes in several colors including red, purple, white and blue.
Alliums: The onion-like scent of alliums can be unappealing to deer. Deer will usually stay away from all the onion family plants like garlic and green onions.
Iris: Irises have a tough texture that deer typically avoid. Multiplies quickly.
Peonies: Peonies have a woody texture and a thick, tough stem that make them less palatable to deer.
Perennial geraniums: These flowers have hairy leaves and stems that can make them less palatable to deer.
Lamb's Ear: The fuzzy texture and pungent aroma of Lamb's Ear make it less palatable to deer.
Daylilies: Daylilies have a tough texture and an unappealing taste for deer. Daylilies bloom in several colors and color combinations. A new flower opens each day so it helps to stay ahead of the deer.
It's worth noting that deer populations and preferences can vary depending on the region and the availability of food. Additionally, in an area where food sources are scarce, deer may browse