Zone 6 - What to Plant in September

Zone 6 - What to Plant in September

Zone 6 growers still typically have another couple months of growing season until the first frost hits. Zone 6 first frost usually occurs in late October. September is the perfect time to plant garlic, greens, kale, lettuce, peas, radish, spinach and more. 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 6 in September.

The Red Russian Kale is a very tender, colorful specialty kale for salad mix and bunching. This variety is a special, refined strain. Its stems are purple and leaves are deep gray-green with purple veins. This flat, noncurled, and tooth-edged kale has a wonderful taste. Red Russian matures medium-tall and leaves are tender compared to other kales.

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.

The Merlot is a looseleaf type of lettuce with intense deep burgundy colored leaves. This variety is slow bolting and ideal for cut and come again culture. Enjoy this beautifully colored lettuce in a baby salad mix!

The Santa Fe Lettuce produces a small blanched head that is surrounded by green outer leaves with a tinged bronze-red tip. This variety is a favorite for being extra crunchy!

Red Romaine Lettuce has long, crinkled leaves with great crunch! This variety starts green and fades to redish-purple. The Red Romaine's leaves are12" tall and the plant is about 10-12" wide. This lettuce is often used in Caesar salads not only for its crunch, but also for its color. Use Red Romaine lettuce for an incredible edible purple border in your flower beds.

Minowase radish seeds produce a classic Japanese daikon variety with origins in East Asia, where long-rooted radishes have been cultivated for centuries for their productivity and versatility. Known for its smooth white roots that often reach 12–18 inches, Minowase features crisp, juicy flesh with a mild, slightly sweet, lightly peppery flavor that is far gentler than smaller spring radishes. Its clean taste and firm texture make it ideal for microgreens, sprouts, salads, pickling, stir-fries, soups, fermenting, and even grating fresh as a condiment. This variety grows best in cool weather and loose, deeply prepared soil that allows for long, straight roots; sow seeds directly in late summer or early fall, provide consistent moisture, thin seedlings to prevent crowding, and harvest before hard frosts for the best quality.

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.

Lolla Rossa lettuce is a beautiful Italian heirloom variety originating from the Lolla region near Bergamo, known for its striking deep-red, frilly leaves and crisp texture. Typically forming compact, loose-leaf rosettes about 6 to 8 inches across, it adds vibrant color and visual appeal to salads and garden beds alike. The leaves are tender yet slightly crunchy, offering a mild, slightly bitter flavor with a subtle nutty finish. Lolla Rossa thrives in cool weather and prefers full sun with well-drained, fertile soil rich in organic matter. It grows best in temperatures between 45–70°F and benefits from consistent moisture, making it ideal for spring and fall planting.

Seaside produces very uniform and great tasting baby leaf spinach. Stays baby size for extended period of time extending the season. Seaside has a nice, smooth, thick, very dark green, spade-shaped leaf making it a perfect choice for baby leaf growers. Seaside has great downy mildew resistance.

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.

The Patio Pride Pea is the perfect variety for a container or small garden and it looks stunning among other ornamental combinations. This pea plant produces uniform, sugary sweet pods that are tender when harvested early. This variety is perfect for succession planting, as it yields a consistent harvest over many weeks. You can grow Patio Pride with other cool-season flowers for a gorgeous display right on your patio! Certified Organic. Learn more about our organic seeds.

Cascadia Pea is a major garden staple for its heavy yields of great tasting and crispy pea pods. Enjoy bucketloads of large, crisp pods with small, sugary peas! The 3' tall vines should be supported on a trellis or fence. Cascadia's multiple disease resistances allow for spring and late season plantings.