As winter begins to fade and spring makes its presence known, many gardeners feel the urge to start planting. Early March signals the start of the growing season in several areas, and despite unpredictable weather, there are a variety of robust vegetables that do well when planted outside at this time. Direct sowing, which involves placing seeds straight into the ground instead of starting them indoors, is a straightforward method that lets plants develop strong roots in their final location. The trick is to select vegetables that can handle cool soil, light frosts, and changing temperatures. If you’re ready to begin your garden, here are 15 vegetables that can be planted outdoors in early March, along with some tips for their successful growth.
Early March might feel like an early start for planting, but many vegetables actually thrive in cooler conditions. Cool-season vegetables grow best when temperatures are between 40°F and 70°F (4°C to 21°C). These plants often struggle in hotter months yet thrive during the gentle days of early spring. Starting early also allows for a longer growing season, as many of these vegetables mature quickly, enabling you to harvest them before the heat sets in or even plant another crop later.
1. Spinach is extremely resilient to cold and can germinate even in soil temperatures as low as 40°F. It can tolerate light frost. Plant seeds in well-drained soil and keep it moist. Spinach grows rapidly, allowing for the harvest of baby leaves in just a few weeks. A sunny or partially shady area is ideal for growth.
2. Radishes are a great choice for quick results. These crunchy, spicy roots can be ready for harvest in just 3 to 4 weeks. Seeds should be sown in loose soil, and thinning them out will help ensure enough space for each root. Radishes prefer the cooler temperatures of early March.
3. Peas flourish in cooler weather and should be sown as soon as the soil is workable. They do not thrive in heat, so early planting is key. It’s beneficial to provide support like trellises or stakes, as pea plants tend to climb. The soil should be kept moist without being overly saturated.
4. Carrots can be directly sown into the garden once the soil is ready. They prefer loose, sandy soil that is free of rocks to allow their roots to grow straight and long. Although carrot seeds may take longer to germinate in cooler conditions, the outcome can be very rewarding.
5. Lettuce is another favorite for cool seasons and grows well in early spring. Various types can be planted for a mix of flavors and textures. Seeds can either be sown in rows or scattered for a more natural appearance. By harvesting the outer leaves as needed, the plant will continue to produce.
6. Kale is quite hardy and can tolerate cold temperatures well. In fact, a light frost can enhance its flavor. Seeds should be planted directly into the soil with proper spacing. Kale grows steadily and can be harvested over an extended period.
7. Arugula is a fast-growing green with a unique peppery flavor. It thrives in cool conditions and allows for multiple harvests.
Which vegetables have you tried planting in early March?
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