Jenna Levenois offers gardening tips for spring at Kill Devil Hills Arboretum

The Dare County Extension Master Gardeners held a meeting on March 10, 2025, at the Arboretum and Teaching Garden in Kill Devil Hills, focusing on essential spring gardening tips for local residents. Jenna Levenois, Sarr County's horticulture agent with NC Cooperative Extension, led the discussion, emphasizing the importance of preparing gardens as temperatures begin to rise.

Levenois reminded attendees that while the average last frost date for the Outer Banks is March 11, it is crucial to monitor the 10-day weather forecast for any potential freezing temperatures. Until nighttime temperatures are consistently above freezing, she advised keeping mulch on perennial plants to protect their roots.

Participants learned about the significance of spring pruning, which involves removing dead plants from the previous year. This practice not only tidies up the garden but also allows gardeners to till the residue into the soil, enriching it with organic nutrients. Additionally, Levenois recommended mulching garden beds to provide warmth and protect plants during the unpredictable spring weather.

Soil health was another key topic. Levenois encouraged gardeners to conduct soil tests through the Agronomic Services of the North Carolina Department of Agriculture and Consumer Services. Sample boxes and forms are available at the extension office in Mannium and during specific hours at the Arboretum. She stressed the importance of amending soil based on test results to ensure optimal growing conditions.

The meeting also highlighted the benefits of planting native flowers and shrubs, which are well-suited to the coastal environment. Levenois suggested planting for year-round interest, with specific recommendations for spring bloomers.

As for vegetable gardening, Levenois noted that the North Carolina vegetable planting guide suggests starting around April 15, but gardeners should check the weather forecast for any unusual cold snaps. She emphasized that soil temperatures should be above 60 degrees for planting crops like tomatoes, peppers, and eggplants.

To prepare raised beds or containers, Levenois advised removing any dead plants, adding organic compost, and incorporating a balanced slow-release fertilizer. For those direct sowing seeds, a top layer of sifted potting mix can enhance germination.

Finally, Levenois reminded attendees to keep the soil lightly watered during the winter and spring to support beneficial bacteria until planting time. As the season progresses, she noted that pests may become more active, and she recommended utilizing resources from the NC State Plant Disease and Insect Clinic for pest management.

The meeting provided valuable insights for local gardeners, equipping them with practical tips to ensure a successful spring gardening season in Dare County.