Spring hikes and wildflowers

Spring wildflowers are already showing across parts of the United States, and park agencies say mid-April is prime time for short hikes in many lower-elevation areas. (nps.gov) At Shenandoah National Park in Virginia, the National Park Service says spring runs from mid-March through the end of May, with March averages near 35 degrees Fahrenheit and May averages near 55 degrees. The park says “pops of color” begin appearing as temperatures rise, and it lists more than 862 plant species within park boundaries. (nps.gov) In Central Texas, the Lady Bird Johnson Wildflower Center said on March 12, 2026 that a dry, warm fall and winter pushed bluebonnets earlier than usual around Austin. The center’s science director, Sean Griffin, said bloom timing and intensity will vary with rainfall, but cultivated displays at the center should be strong. (cbsaustin.com) The window is short in some places and uneven in others, which is why local trail conditions matter more than a generic “spring is here” message. New York’s Department of Environmental Conservation says hikers should avoid trails above 2,500 feet during mud season because thin soils and steep slopes are more vulnerable to erosion. (dec.ny.gov) Land managers are also warning that the flowers people come to see are easy to damage. The United States Forest Service says almost all wildflowers are fragile, often perish soon after being picked, and support pollinators, birds, and small animals. (fs.usda.gov) That is why trail guidance in spring is so specific. The National Park Service’s Leave No Trace guidance tells visitors to walk single file in the middle of the trail, even when it is wet or muddy, and to leave plants and rocks where they are. (nps.gov) Spring also brings a health warning alongside the color. The Centers for Disease Control and Prevention says ticks are most active in warmer months from April through September, and hikers should use Environmental Protection Agency-registered repellents and stay in the center of trails. (cdc.gov) The Forest Service adds that people should check themselves, children, and dogs after time outdoors, shower soon after coming inside, and dry clothes on high heat for 10 minutes to kill ticks on dry clothing. It recommends repellents with 20 percent or more diethyltoluamide, picaridin, or IR3535, and permethrin-treated gear for added protection. (fs.usda.gov) For people looking for a low-planning outing, the Wildflower Center in Austin offers a controlled version of the same spring draw: 284 acres of gardens and trails, open daily from 9 a.m. to 5 p.m., with last entry at 4 p.m. The center says parking is limited and urges visitors to pre-purchase tickets. (wildflower.org) The practical formula for April is simple: pick a lower-elevation trail or garden, stay on the path, and expect the best color to shift week by week with weather and rainfall. (nps.gov)