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The lifespan of a picket fence largely depends on its material. Wooden picket fences typically last 10 to 15 years with regular maintenance, while vinyl and composite picket fences can last 20 to 30 years or more due to their resistance to weather, rot, and pests. Metal picket fences often exceed 30 years, especially when properly coated to prevent rust or corrosion.

The recommended height for a garden fence depends on its primary purpose. For pest control, the necessary height varies by animal. To keep out small pests like rabbits, a fence should be at least two to three feet tall. If you live in an area with deer, you will need a much taller fence, at least five feet high, to prevent them from jumping over. If the main goal is privacy, the fence should be at least seven feet tall. For purely decorative fences, the height is a matter of personal preference.

The best fence option for you depends on your property, budget, and style preferences, but a corrugated metal fence could be a good option if you want something durable yet low-maintenance. Unlike wood, corrugated metal won’t fall prey to rot or pest damage, and the metal can be recycled after its life as a fence comes to an end.

Black chain-link fences last an average of 15 to 20 years. The thicker a fence's wire gauge, the longer it will tend to last. The black vinyl coating gives the fence rust and corrosion resistance, but its life span may be lower in wet, humid, or coastal climates where moisture or salty air can corrode the coating more quickly.