Posted on February 27, 2026 by Van Becelaere Greenhouse

Here in southeast Kansas, we sit near USDA Zone 6b, with average last frost dates in mid-April, and many local growers treat around May 1 as the safe outdoor planting date. Counting back 6–10 weeks puts you right in February for starting many flower and vegetable seeds indoors. Starting early gives slow-growing plants time to develop strong roots and foliage before moving into the garden, which means a fuller, more productive spring garden once the soil warms.​

Best Vegetables to Start Indoors in February

Cool-season crops and long-season warm-weather vegetables benefit most from an indoor head start. Consider starting these vegetable seeds in February so they are ready to transplant after frost danger has passed:​

• Tomatoes and peppers for early fruiting once nights are warm​
• Onions, leeks, and celery, which need a long growing season​
• Parsley and other slow-germinating herbs are often listed with February start dates​

These crops will be well on their way when you are ready to set them into your outdoor beds for a productive spring garden.

Perennial Flowers and Herbs That Need an Early Start

Some perennials and herbs take longer to sprout and grow, making February a good time to sow seeds indoors. University extension calendars list options such as lavender, dianthus, foxglove, pansy or viola, verbena, rosemary, and thyme as suitable for late winter seed starting. Giving these plants an early start under lights means more blooms and fragrance in your spring garden and a stronger root system to handle Kansas heat later in the season.​

How to Set Up an Effective Indoor Seed-Starting Station

You do not need a fancy setup to succeed, but a few basics make a big difference. Use fresh seed-starting mix, clean containers, and follow seed packet directions so you do not start seeds too early. Provide bright, consistent light (often with simple shop lights), keep the mix lightly moist but not soggy, and maintain a warm germination temperature around 70 degrees for most seeds to ensure a healthy spring garden start.

Transitioning Seedlings Outdoors for a Vibrant Spring Garden

Before planting outside, harden off seedlings to help them handle real-world conditions. Hardening off seedlings means gradually exposing them to outdoor sun, wind, and cooler temperatures over 7–14 days, starting in a sheltered, shaded spot and increasing time and light each day while avoiding temperatures below about 45–50 degrees for tender plants. With careful hardening and attention to your local frost dates, your seedlings will move from windowsill or grow light to garden bed smoothly and reward you with a vibrant, resilient spring garden.

Give your February seedlings the best possible start by pairing your indoor efforts with a visit to Van Becelaere Greenhouse in Pittsburg, KS, or call us today to find out when our starter plants arrive. Explore our wide selection of high-quality seeds, soil, and seed-starting supplies, and get personalized recommendations from our experienced staff to match your garden goals. When you are ready to move from seed tray to garden bed, stop in and let us help you grow a stronger, more colorful spring display that thrives all season long.