Zone 4 - What to Plant in September

Zone 4 - What to Plant in September

Zone 4 growers typically don't have too many options to plant in September. Zone 4 first frost usually occurs in late September to early October. That being said, there's still some items you can still plant. It's the perfect time to plant garlic so you get a fast start next spring. Also there are several cover crops that can be planted now to help bring nutrients back to the garden this fall and early spring. Below is a list of items that can be planted in zone 4 in September.

The Garden Mesclun Blend is a mixture of light green to emerald, and bronze to deep red lettuces as well as endive and radicchio for a crunchy, zesty flavor that is a perfect addition to any salad!

California Early is an excellent planting garlic variety that produces bulbs great for culinary use and is an early season garlic harvest! This variety is likely the most commonly grown variety in the U.S., and for good reason. It is a medium, easy to grow softneck, with a nice mild flavor and excellent storage ability. Cal-Early is one of our "work-horse" varieties we depend on, year after year, for fresh market and garlic braiding. The skins are a nice off-white with a purple blush and it produces 10-16 cloves per head.

Roquette Arugula seeds produce a fast-growing, cool-season leafy green prized for its peppery, nutty flavor and tender, deeply lobed leaves. Also known as salad rocket, this Mediterranean native has been cultivated since ancient Roman times for both its culinary and medicinal qualities. Roquette arugula thrives in full sun to partial shade and prefers well-drained, fertile soil, reaching harvest size in as little as 30–40 days. Ideal for salads, sandwiches, or as a garnish, its bold flavor intensifies as the plant matures. Regular harvesting encourages new growth, making it a favorite for continuous garden production throughout spring and fall.

The Blue Curled Scotch Kale can be used as a garnish and or in hearty winter dishes. This kale variety is a compact plant with very tender, blue-green, crinkled leaves that are quite delicious, very cold hardy, and rich in vitamin A.

The Mizuna Purple Mustard produces bright purple tinged and sharply serrated green leaves. This is a tasty variety that is fast maturing and slow bolting.

Vit Mâche, also known as corn salad, lamb’s lettuce, or mâche, is a cool-season leafy green with a long history in Europe, where it was foraged in fields and vineyards before becoming a cultivated crop in the 17th century. This compact plant forms small rosettes of tender, spoon-shaped leaves that are deep green and naturally high in vitamins A and C. Its flavor is mild, slightly nutty, and gently sweet, making it a favorite for winter and early-spring salads. Mâche thrives in cool weather, germinating best in fall or early spring, and prefers rich, well-drained soil with consistent moisture. It’s cold-tolerant enough to survive light frosts, allowing gardeners to harvest the delicate rosettes over a long season with minimal care.

Spanish Roja garlic is a certified, early season garlic harvest! This variety is a gourmet best-selling garlic for home gardens with an excellent classic rich flavor! Each bulb has about 8-12 cloves. Spanish Roja's outer wrapper varies in color, from a rich cream to deep purple stripes. Its cloves are large with a brownish red color and are easy to peel. This garlic keeps well, 4-6 months. During curing, many bulbs lose their stems. Approximately 8-12 cloves/ bulb. Approximately 65-85 garlic cloves/ pound.

Russian Red garlic has big bulbs that have a slightly purple skin that wraps the bulbs and cloves. This variety is a great garlic to grow for soil conditions that are slightly damp. Russian Red is one of the most flavorful heirloom garlics we offer. Approximately 6-9 cloves/ bulb. Approximately 45-60 garlic cloves/ pound.

Romanian Red garlic produces 4 to 5 large cloves per bulb. This variety's bulbs are a beautiful cream white with shades of purple skins. Once harvested, these whole bulbs will store for months. Romanian Red produces a delicious flavor that is pungent and long-lasting.

Elephant is certified and the largest "garlic" you can get! This variety of "garlic" looks like garlic and tastes like a mild hardneck type, but it is actually a type of leek. Just like its name, Elephant is large with 1 1/2" cloves that have a great mild garlic-like flavor. Elephant's bulbs can easily weigh a pound or more! This variety is very easy peeling and keeps very well. Each bulb averages 3-5 cloves. Approximately 9-14 garlic cloves per pound. Hardneck Garlic

Scarlet kale seeds are a vibrant and intriguing choice for any garden enthusiast looking to add a splash of color and a touch of nutrition to their harvest. These seeds produce kale with striking red and purple leaves that not only brighten up your garden but also provide a visually stunning addition to your plate. Rich in antioxidants, vitamins, and minerals, scarlet kale is as beneficial as it is beautiful. Its bold flavor, with a slightly peppery bite, can elevate a variety of dishes from salads to soups. Easy to grow, these seeds thrive in cooler weather and are resilient to frost, making them a versatile option for extending the growing season. With scarlet kale, you're not just cultivating a nutritious vegetable; you're enhancing your garden's aesthetic appeal with a vibrant, healthful crop.

Tendergreen Spinach (Komatsuna) mustard is a prized leafy green known for its mild flavor and tender texture, making it a favorite in both culinary and gardening circles. This variety of mustard greens has its roots in traditional Southern U.S. agriculture, where it has been cultivated for its versatility and ease of growth. Characterized by its large, bright green leaves with a smooth, slightly wrinkled texture, Tendergreen mustard is valued for its mild, peppery flavor that becomes more pronounced when cooked. The plants grow rapidly, reaching maturity in about 40 to 50 days, and are known for their robust, upright growth habit, typically standing 12 to 18 inches tall. They produce small, yellow flowers in early spring if allowed to bolt, though they are primarily grown for their leaves. Tendergreen mustard thrives in cool weather and can be grown in a variety of soil types as long as they are well-drained. The plant’s resilience and quick harvest make it ideal for successive plantings, providing a continuous supply of fresh greens. With its rich flavor, adaptable growing conditions, and rapid growth, Tendergreen mustard is a valuable addition to any vegetable garden.