Zone 10 - What to Plant in September

Zone 10 - What to Plant in September

September is one of the best months to start gardening in Zone 10. You're just past the dog days of summer and the weather is starting to cool down a bit. The typical first frost in Zone 10 is mid-late December but even then it can be very mild. This allows for easy winter growing of several crops. Below is a list of items that can be planted in zone 10 in September.

The Marvel of Four Seasons is a French butterhead lettuce with bibb-type rosette leaves. This butterhead, also known as Merveille des Quatre Saisons, is tasty and beautiful. The Marvel of Four Seasons has a robust shape with leaves ranging in bronze, gold, red and green.

A 1918 The Great Northern Seed Company says this variety is not withstanding its immense size. This variety does not get hollow or pithy and its flesh remains sparkling white, solid, crisp and juicy. This slower bolting variety has the mildest flavor with a tender, crunchy texture.

Little SnowPea Purple produces dwarf-sized vines with beautiful purple flowers. This pea plant is tiny yet productive and does well in small gardens or containers. The pods mature early and have a crunchy bite. Plants will reach a maximum height of 24 inches. For pea shoots, matures in 10 days. Expect slender, tight greens with minimal side branching, upright habit, and ease of harvest and stack.

The Spicy Salad Blend is the perfect balance of lettuce and mustard greens. This blend produces a great flavor profile that will spicy up any regular salad mixture.

The Golden Helios Radish is named after the Greek god of the sun. This olive-shaped radish is bright yellow with a crispy white flesh and is truly one of the most beautiful radish! Not only is Helios a beauty, it is also tasty with a sweet and mild flavor.

Great Lakes 118 lettuce is a classic butterhead variety that has gained popularity among gardeners since its introduction in the mid-20th century. Known for its compact, dense heads and vibrant green, slightly crinkled leaves, this lettuce offers a pleasing texture and rich, buttery flavor. The taste is mildly sweet and crisp, making it ideal for salads and sandwiches. Harvesting typically occurs around 60-75 days after planting, when the heads are firm and fully developed; gardeners can either cut the entire head or pick individual leaves as needed. Great Lakes 118 thrives in cooler temperatures and well-drained soil, making it a favorite choice for spring and fall planting, and it’s particularly valued for its ability to withstand heat and maintain flavor.

Plymouth spinach is a new variety that is great for processing or fresh market growing. It has smooth, medium-dark green leaves that are uniform in shape and size. Plymouth is a moderate to fast-growing variety and has great yield potential.

This refined, open-pollinated cabbage produces round, green heads wrapped around crisp, tender white hearts and has been a trusted favorite since at least the 1920s. Known for its very early maturity and compact growth habit, it is ideal for dense plantings and tight spacing while still delivering strong yields of uniform, marketable heads. The dense, solid heads are spherical, typically measuring 5–7 inches across and weighing about 3–5 pounds, with plants remaining relatively small compared to head size. Fresh, the flavor is delicately crunchy with a pleasant bite, while cooking mellows it to a rich, buttery taste. Well suited for coleslaw, stir-fries, and other fresh kitchen uses, this variety shines as an early fresh-market cabbage rather than a long-term storage type. Maturing in about 65 days, it is an excellent choice for serious cabbage growers seeking high quality and reliability.

The Self Blanching cauliflower is known for its bright white curds with a delicious flavor! The Self Blanching cauliflower has self-wrapping leaves that help protect the white curds from sun, thus the name Self Blanching Cauliflower. Remember cauliflower likes cool weather plant seed early spring or fall for best crops.

The Progress No. 9 Pea is a very prolific and early yielding shelling pea! This wrinkle-seeded pea is fast growing and produces plump dark green pods. Enjoy 7-9 delicious peas per pod that are perfect for soups or as a side dish. The Progress No. 9 holds well on the vine and is also disease resistant. Certified Organic. Learn more about our organic seeds.

The Crayon Colors Mix is a mixture of primary colored radishes that literally paints a wonderful colorful palette in your garden! The color in this mix includes yellow, pink, red, and purple.

The Outredegeous Lettuce is a deep, dark purple red romaine that will maintain its dark color even under low-light conditions! This mesmerizing variety is a wonderful baby leaf type and large loose leaf type, making it the perfect lettuce for salad growers. You can start using its leaves after 28 days. Outredegeous seeds are a natural mix of black and white.