When to Plant in Wilmington, NC

In Wilmington, the gardening calendar is shaped by significant frost dates, with the median last spring frost occurring on March 28 and the median first fall frost around November 6. This gives local gardeners approximately 223 frost-free days each year to cultivate a myriad of plants. Understanding these dates is essential for planting and maintaining a vibrant garden. These frost timings define not only when to plant but also what types of plants will thrive throughout the growing season.

Wilmington's humid temperate climate provides four distinct seasons, which is ideal for growing a variety of crops. In this microclimate, crops such as tomatoes, peppers, and cucumbers grow particularly well due to the warm summers and sufficient moisture. Conversely, crops like broccoli and cabbage may struggle as they prefer cooler temperatures, especially during summer, which can hinder their growth and flavor development.

What to plant now in Wilmington

Spring: Start your spring planting after March 28, which is the last frost date. Ideal crops include tomatoes, peppers, and beans, which enjoy the warming soil and longer days.
Summer: During summer, continue to plant warm-season crops such as cucumbers and squash. You can sow these after the last frost has passed up until early July.
Fall: As the temperatures cool, start planting fall crops like kale and carrots before the first frost on November 6. This allows them to establish before colder weather sets in.
Winter: Use winter months for planning and preparation. If desired, start early indoor seedlings of tomatoes and peppers, getting a jump on the season before spring planting begins.

In Wilmington (223 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

Month by month in Wilmington

Month	What to do
January	January is a time for planning your garden layout and selecting seeds. If the ground isn’t frozen, you can start preparing garden beds for spring planting.
February	In February, continue preparing your garden. Consider starting seeds indoors for early crops such as tomatoes and peppers, allowing for a head start come spring.
March	March is pivotal as the average last frost date is March 28. Begin transitioning to outdoor planting with hardy crops like peas and lettuce as soon as the soil can be worked.
April	April signals the true beginning of the growing season. Sow warm-weather crops such as beans, squash, and sweet potatoes after any danger of frost has passed.
May	May is ideal for planting tender crops. This is the time to plant tomatoes, peppers, and basil, ensuring they have plenty of time to mature before summer heat.
June	In June, continue to nurture your garden. Water regularly and start harvesting early crops. You can also replant succession crops like beans for continuous harvest.
July	July can be hot, so ensure your plants are well-watered. This is an excellent time for summer crops like cucumbers and squashes. Mulching helps retain soil moisture.
August	In August, monitor for pests and disease in your hotspot season. Start to think about fall planting and begin sowing a second round of crops like spinach and radishes.
September	September signals the shift toward fall gardening. Begin planting fall-friendly crops such as kale, turnips, and carrots as temperatures start to moderate.
October	As temperatures continue to decline in October, maintain your fall crops and prepare for the first frost on November 6. Harvest any remaining summer crops.
November	November is a time of transition as the first frost approaches on November 6. Wrap up your garden season, taking care to cover or remove any crops that won’t withstand frost.
December	December typically ends the gardening year in Wilmington. Plan for next season, consider winter projects, and enjoy the beauty of any remaining winter crops.

Frost dates for Wilmington ZIP codes

ZIP	Last spring frost (50%)	First fall frost (50%)	Zone
28412	March 28	November 6	8b

FAQ

When is the last frost in Wilmington?

The last frost in Wilmington is typically around March 28, marking an important date for gardeners to begin planting spring crops.

What vegetables grow best in Wilmington?

In Wilmington, tomatoes, peppers, and cucumbers thrive due to the warm, humid conditions. They benefit from the region's long growing season and ample rainfall.

When should I plant tomatoes in Wilmington?

Tomatoes should be planted after the last frost date, around late April to early May, to give them the best chance to thrive.

Can I garden year-round in Wilmington?

Yes, Wilmington's climate allows for year-round gardening with careful planning. You can grow winter greens and some root vegetables even in the cooler months.

How does Plan My Garden help Wilmington gardeners?

Plan My Garden provides customized planting schedules, local climate data, and expert gardening advice, empowering Wilmington gardeners to maximize their growing potential.