Zone 9 - What to Plant in September

Zone 9 - What to Plant in September

September is one of the best months to start gardening in Zone 9. 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 9 is mid 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 9 in September.

Amazing cauliflower seeds produce a high-yielding, uniform variety known for its large, dense, and smooth white heads. This hybrid cauliflower is prized for its excellent resistance to common diseases and its ability to perform well in a range of growing conditions, from cool climates to slightly warmer environments. With a fast-growing cycle, Amazing cauliflower is ideal for early-season harvests, making it popular among commercial growers and home gardeners alike. The compact, tightly-formed heads are highly marketable and have a delicate, mild flavor that holds up well in both fresh and cooked dishes. Whether grown for local markets or personal use, Amazing cauliflower seeds offer consistent, premium-quality results with minimal care required.

The Romanesco broccoli is a funky little vibrant broccoli! Known for its different appearance, it is also a really great tasting broccoli! This Italian variety is bright lime green with lots of texture. The Romanesco is excellent for cool areas.

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.

Sugar beets are the perfect natural choice to make sugar! You can boil the sugar beets in order to make a sugary syrup. These beets can grow up to 1 foot long and can weigh from 3-5 pounds. That means you need to thin them to make sure they have enough room to grow. Tops can grow 1-2' tall. Beet tops can be eaten, lightly grazed or fed to animals.

The Scarlet Nantes is popular as a sweet baby, slicer, or fresh market variety. A sweet and tender carrot with a cylindrical shape and blunt-tip. Scarlet Nantes have a bright orange-red color throughout. Very popular variety of carrot for eating fresh or cooked. Slow bolting and very popular among gardeners.

Tall Utah celery, developed in the early 20th century in Utah, is renowned for its tall, sturdy stalks and exceptional flavor. This variety features vibrant green, crisp stalks that can reach heights of 18-36 inches, making it a standout in gardens. The taste is mild and slightly sweet, perfect for fresh eating or cooking in a variety of dishes. Harvesting typically occurs 85-100 days after planting, when the stalks are firm and well-developed; gardeners can choose to cut the entire plant or selectively harvest individual stalks as needed. Tall Utah celery thrives in cool climates and requires consistent moisture, making it a favorite for both home growers and commercial producers.

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 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 Finger carrot seeds grow into a petite, gourmet variety that originated in France and has been cherished since the mid-20th century for its tender, sweet flavor and snackable size. This Nantes-type carrot matures quickly in just 55–65 days, producing smooth, cylindrical roots about 3–4 inches long, making it perfect for small gardens and container growing. Its bright orange flesh is crisp, juicy, and sugary, often eaten fresh right from the garden, but also excellent for steaming, roasting, or pickling. Known as a child-friendly carrot because of its size and sweetness, Little Finger is ideal for fresh snacking, lunchboxes, and gourmet dishes, while also storing well for extended use.

The Olympia is a top-notch smooth leaf hybrid spinach that has a great flavor. This spinach Hybrid has thick and dark green leaves that grow upright. The Olympia is highly recommended for spring, summer, fall and over wintering crops because it resists bolting under high temperatures and long day conditions. Treated seed.

Waltham 29 produces incredibly high yields for broccoli! This variety is known for its good color, cold resistance, dwarf compact plant, and big side shoots. Main heads are 4-8" with steady side shoot production after main head is harvested.

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!