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 Brilliant Rainbow Quinoa blends beautifully into meals or salads. Just like its name, this quinoa contains a spectrum of many different colored heads - red, orange, gold, white, and green. The Brilliant Rainbow Quinoa's leaves have a salty spinach-like flavor. Harvest for greens when 6-8" tall or let grow for beautiful tall blooms that can be harvested for grain. This Quinoa's grain has a nutty flavor that goes well with any dish!

The Joi Choi Bok Choy has very tender dark green leaves with crisp white stalks. This variety is slow bolting with high yields. Joi Choi Bok Choy is perfect for growing in fall and winter, as it is cold tolerant.

The Red Giant is a large mustard with an excellent, pungent flavor. This variety is a large purple-red leaf type. The Red Giant is great used as an ornamental or salad garnish. This variety's flavor has a slight hint of wasabi and grey poupon.

White Stem Pak Choi, also known as Bok Choy or Pak Choi, is a versatile and popular Asian cabbage variety with origins in China. This leafy green vegetable has been cultivated for centuries, appreciated for its tender leaves and crisp, white stems. Characterized by its vibrant green, broad leaves and smooth, white stalks, White Stem Pak Choi is both visually appealing and nutritious. The flavor is mild and slightly sweet, making it a popular choice in stir-fries, soups, and salads. Harvesting typically occurs 45-60 days after planting, when the plants reach a height of about 12-18 inches, and can be done by cutting the entire plant or picking individual leaves. White Stem Pak Choi thrives in cooler weather, preferring well-drained soil and full sun, making it suitable for spring and fall planting. Its rapid growth and ability to produce multiple harvests, combined with its rich content of vitamins A, C, and K, make it a favorite among gardeners and cooks alike. Overall, White Stem Pak Choi is valued for its crisp texture, mild flavor, and adaptability in a variety of dishes.

The Red Veined Sorrel is a delicate green with an excellent flavor! This Red Veined Sorrel is a fast growing green that adds a delicious flavor and texture to salads. This green's leaves are best young with a sharp tart flavor that is unique to this plant. The central vein is a dark maroon that webs out throughout the leaf. This variety has very showy leaves that is great for salads, soups, stews and more.

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!

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.

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 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.

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 Old Fashioned Mustard Green is a real Southern treat! This green is a favorite that can be eaten fresh or cooked, but is best enjoyed either steamed or sautéed in our opinion! The Old Fashioned Mustard is easy to grow and care for, making it a great addition to any garden.

Florida Broadleaf mustard is a classic Southern heirloom variety long valued for its fast growth, large yields, and reliable performance in warm climates. Originating in the southeastern United States, it produces broad, bright green, smooth-edged leaves that can grow 10–12 inches long, forming an upright, leafy plant about 18–24 inches tall. The leaves are tender yet substantial, with a bold, peppery flavor that mellows pleasantly when cooked. This mustard variety thrives in full sun and prefers rich, well-drained soil with consistent moisture. It grows best in cool to mild temperatures, typically between 50–75°F, making it ideal for spring and fall gardens, though it can tolerate light frosts and brief periods of heat.