Zone 5 - What to Plant in September

Zone 5 - What to Plant in September

Zone 5 growers still have a few options to plant in their garden in September. Zone 5 first frost usually occurs in mid-late October. 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 5 in September.

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

The Green Towers Lettuce is an easy to grow, tasty green leaf lettuce. This lettuce variety offers a mild flavor with an attractive semi-savoyed texture. The Green Towers is a favorite for its adaptability and dense habit! This lettuce will grow great in any climate!

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.

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.

Red Malabar spinach (Basella rubra) is a heat-loving, vining green that thrives through the hottest days of summer when traditional greens fade. This vigorous Asian vine features glossy, thick, slightly savoyed dark green leaves set against striking deep red to purple stems, making it as ornamental as it is edible. The mild, chard-like flavor works well when young leaves and tender stems are used fresh in salads, blended into smoothies, or lightly cooked in stir-fries. Exceptionally tolerant of heat and humidity, it produces an abundance of nutritious greens well into fall, along with deep purple berries rich in anthocyanins that can be used as a natural dye. Not a true spinach, this beautiful plant is typically grown as an annual in cooler regions and as a perennial in subtropical climates, but it is not frost hardy.

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!

Little Gem lettuce is a small, compact variety that belongs to the Romaine family. Known for its tender, crisp leaves and sweet, mild flavor, it has become a favorite in both casual and fine dining. The heads are typically about the size of a fist, with tightly packed, bright green leaves that are both crunchy and delicate. Its flavor is a perfect balance between the slightly bitter taste of Romaine and the mild sweetness of Butterhead lettuce. Little Gem is often used in salads, sandwiches, or as a base for grilling, where its natural sweetness intensifies. Its small size also makes it an ideal choice for individual servings or garnishes. Rich in vitamins A, C, and K, it’s not only flavorful but also nutritious. Little Gem's heads are about 4 inches across and are prime eating from 4-6 inches tall. The plants can be spaced 6 1/2 by 6 1/2 inches for maximum yields. Growing Little Gem lettuce is relatively easy and well-suited to home gardeners, thriving in cool, temperate climates. This compact variety of lettuce prefers full sun but can tolerate partial shade, especially in hotter weather. It grows best in well-drained, fertile soil with a slightly acidic to neutral pH. To plant, sow seeds directly into the soil in early spring or late summer, spacing them about 6-8 inches apart to allow for proper air circulation and growth. Little Gem lettuce thrives with regular watering, but it’s important to avoid waterlogging, as this can lead to root rot. As it matures, the small heads form tight, crisp rosettes. Harvesting can begin in around 30-45 days, typically when the heads are firm but still small. For continuous harvest, sow new seeds every couple of weeks. Little Gem lettuce is also ideal for container gardening due to its compact size, making it a great choice for small spaces or urban gardens.

The Viroflay Spinach is a gourmet French heirloom that was developed prior to 1866. The big, smooth leaves of this Spinach variety is a deep green color and grows up to 10 inches long. This very fast growing plant is popular for fall planting.

The French Breakfast Radish has a delicate flavor and is an excellent variety for home gardens. This radish variety is an attractive uniquely shaped radish with elongated roots and red tops with white tips. The French Breakfast has an excellent flavor and texture, that is perfect for dips or as a garnish.

The Dwarf Grey Sugar Pea is one of our customer favorite peas! Produces an abundance of attractive purple and blue flowers. These flowers are edible, have a light pea flavor and look great on many dishes. The mature peas are very flavorful and is ideal for steaming, stir-frying or eating fresh out of the garden. Dwarf Grey Sugar Pea is suitable for northern and southern regions, as it is tolerant to heat and cold.

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.

The Sugar Magnolia Pea is a beautiful deep purple colored sugar snap pea that is the result of over 15 years of development! This spectacular beauty has a very sweet flavor and is best before the pods get too fat. Make sure that this climbing variety has a trellis, as its sturdy vines reach to be 6-7 feet tall. Add the Sugar Magnolia to fresh salads or as a steamed side dish for a pop of color!

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.

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.

Iceberg Lettuce is the tried and true lettuce that is an easy to grow, slow bolting crisphead. This variety has proven to be one of the most popular crispheads for years! Iceberg is a great lettuce that performs exceptionally well under warm weather conditions. This compact lettuce plant features better leaf texture and quality than other varieties. This variety resists rib discoloration and tip burn.

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.

The Romaine Trio Blend is a mixture of three of our specialty romaine lettuces. This tri-colored blend is very popular for not only its beautiful color variation and vigorous growth, but also for its delicious taste.