11 Vegetables to Plant in August {Zone 9} (2024)

Last Updated: August 12, 2022 | Gardening

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There are lots of vegetables you can plant in August! Even though it’s hot outside, these vegetables can handle the heat and will give you a tasty harvest this fall and winter. Includes recommended varieties, planting tips, and recipes.

11 Vegetables to Plant in August {Zone 9} (1)

It’s August already…where has the summer gone? If you’re in the middle of canning up your garden’s bounty, you might not be thinking about what you can plant this month.

Good news! There are lots of vegetables that can handle the heat and give you a tasty harvest this fall and winter.

Are you a brand new gardener? Not sure what to plant or when to plant it? I can help.
You’ll find lots of great information in my new book, The First-Time Gardener: Container Food Gardening.

This planting guide for Zone 9 will give you 11 vegetables you can plant in August for a great harvest this fall. Let’s get started!

11 Vegetables to Plant in August {Zone 9} (3)

11 Vegetables to Plant in August

Chard is great for new gardeners. It grows vigorously, provides a continuous harvest, and can even survive the winter in mild climates. Ideal, right? Except that if you’re the only person in your family who likes to eat Swiss chard, you will quickly be overrun with it. Ask me how I know.

Varieties: Warnings aside, I like Bright Lights Chard and Five Color Chard because they’re both beautiful and colorful. You could even plant these as ornamentals in your front yard!

Planting: Direct seed in the garden this month, and you’ll be harvesting in October. Learn more about how to grow Swiss chard.

Recipe: I like to chop chard leaves into tiny bits and add it to Italian Meatballs or Homemade Fried Rice.

If you haven’t grown Brussels sprouts before, you are in for a treat. These “baby cabbages” grow on a single stalk like a tiny palm tree.

Varieties: Long Island Improved is my favorite variety. It's been a reliable producer since it was developed in the 1890s...yep, 130 years ago!

Planting: This month, start seeds indoors using DIY Seed Starting Mix, and transfer out to the garden in late September. Don’t worry if you get a cold snap before you harvest in January—a light frost actually improves their flavor.

Recipe: Brussels sprouts are so tasty when sauteed with sweet potatoes and bacon.

My goodness, who knew there are so many different kinds of carrots?!? Different colors, different shapes, and yes--slightly different flavors with each. You’ll probably want to try several different kinds.

Varieties: I like Carnival Blend carrots because of their unique colors, and Tonda di Parigi carrots for their adorable shape. Scarlet Nantes is my variety of choice for for traditional carrots.

Planting: Carrot seeds are tiny! You can either sprinkle them on the top of the soil and thin the carrots once they sprout, or use a seed dispenser to make sure they’re spaced properly.

Recipe: Enjoy your garden-fresh carrots in this easy Summertime Slaw recipe.

We call broccoli "happy little trees" as a tribute to Bob Ross. There's nothing like the sense of accomplishment you get from growing broccoli--they're definitely rare in home gardens.

Varieties: Broccoli Di Cicco is my favorite--it reliably produces large heads and then continues to produce smaller offshoots after the main harvest.

Planting: Start your broccoli seeds indoors using DIY Seed Starting Mix, and transfer out to the garden in September.

Recipe: Roasted Broccoli with Garlic and Parmesan is an easy recipe the kids will love.

Parsnips are persnickety…they’re hard to start from seed, but can’t handle being transplanted. This is why you don’t see parsnip seedlings at the garden center. Also, the seeds don’t keep from year to year, so you need to buy new seeds each year.

The reward for all this coddling is sweet, buttery parsnips. Roast them in the oven and you’ll see why I go to all the trouble to grow them.

Varieties: Gladiator parsnips have a good germination rate and grow up to 10 inches long!

Planting: Plant seeds ½ inch deep and 3-4 inches apart in loose soil, and water thoroughly through the growing season.

Recipe: Peel and cut into coins or half-moons. Toss with olive oil, RealSalt, and pepper; roast at 425F for 30-40 minutes.

Fresh beets are so much better than those awful canned things we had as kids. And did you know that beets are full of fiber, potassium, folic acid, and vitamin C?

Varieties: I like this Gourmet Blend because it includes 3 different types of beets: Detroit Dark Red with deep red roots and delicious dark green tops, Chioggia with interior rings of bright pink and white, and Golden with bright yellow flesh.

Planting: Plant seeds directly in the garden in August and harvest in October, when roots are between 1-3 inches in diameter.

Recipe: Instead of roasting or pickling your beets, try this delicious beet kvass.

Yes, everybody is turning cauliflower into stuff like pizza crust and rice, but it's still delicious roasted, with a splash of lemon juice.

Varieties: Snowball Y cauliflower is ready to harvest in just 75 days, so you'll be eating cauliflower before you know it.

Planting: Start your cauliflower seeds indoors using DIY Seed Starting Mix, and transfer out to the garden in late September.

Recipe: Cauliflower and Butternut Squash soup is perfect for a crisp fall day.

Lots of folks make fun of kale because it’s in everything. Kale chips, kale smoothies, kale salad...the list goes on and on. There’s a reason for this, though. One cup of kale contains more than your recommended daily value of vitamins K, A, and C. It also has lots of trace minerals, like copper, manganese, phosphorus, and selenium.

Varieties: I like Red Russian Kale, which you grow as a baby green. Cut the leaves after about 25 days and you’ll have tender, tasty kale. Then the plant will regrow for another harvest. Cool, right?

Planting: Plant seeds directly in the garden in August and you’ll be harvesting your first crop of baby greens in September.

Recipe: I like to chop baby kale finely and sneak it into a salad, or add it to Homemade Fried Rice or Baked Italian Meatballs.

Leek plants resemble a long, fat green onion. The white lower portion has a mild onion flavor, and the green tops are stronger tasting.

Varieties: King Richard Leeks grow quickly and are ready to harvest earlier than other types.

Planting: Direct seed in the garden, ¼ inch deep and 6 inches apart. Seedlings will sprout in 10-14 days, and you’ll harvest about 60 days after that.

Recipe: You can substitute leeks for onions in most dishes. Potato leek soup is a classic, and this version is made in the Instant Pot.

Don’t be afraid of collard greens! Collards are full of fiber, antioxidants, and Vitamins K and A. The large leaves are delicious when steamed, and they also make fantastic wraps (a low-calorie substitute for tortillas).

Varieties: I get my collard seeds from the good folks at Redwood Seeds.

Planting: Sow directly in the garden and allow 2 feet between plants. Collards are a cabbage that doesn’t form a head, so they need room to spread out.

Recipe: Pick the young leaves to add to your green smoothies, and let some leaves grow to add to hearty winter soups.

The biggest danger to cabbage (in my garden, anyway) is from critters like slugs and cabbage worms. Here's a neat trick I use to keep the bugs away from my precious crop.

Varieties: Copenhagen Market is my favorite cabbage to grow. It was developed in 1909 and is the standard for many varieties that were developed after it. It’s great for small gardens and container gardens.

Planting: Direct seed in August with 1-2 feet between plants, and start harvesting in late October.

Recipe: My favorite cabbage dish is so easy, you don’t need a recipe. Fry up diced bacon and onions in a pan. Then add chopped cabbage and stir-fry until the cabbage is just softened. Yum!

Start snapdragon and pansy seeds this month for a burst of color in the garden when the weather cools. I like Swiss Giant pansies and Magic Carpet Blend snapdragons.

Want to know what to plant every month?

Grab a copy of the Ultimate Beginning Gardener Bundle, which has loads of gardening information plus a monthly planting schedule for every zone in the U.S.

11 Vegetables to Plant in August {Zone 9} (16)

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11 Vegetables to Plant in August {Zone 9} (2024)

FAQs

11 Vegetables to Plant in August {Zone 9}? ›

In late August and early September, start seeds indoors for cool weather heading Brassicas like broccoli, cabbage, cauliflower, and Brussels sprouts.

What seeds to start in August in zone 9? ›

In late August and early September, start seeds indoors for cool weather heading Brassicas like broccoli, cabbage, cauliflower, and Brussels sprouts.

What kind of vegetables can I plant in August? ›

The Vegetable Garden In August
August 1-10August 11-20August 21-31
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SpinachSpinachSpinach
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When to plant cabbage in zone 9? ›

Cabbages like to grow in cool temperatures with ample moisture. To achieve this, we recommend you plant your cabbages in the fall in Zones 9 and 10. If you are in other zones, we recommend planting them in the fall with sufficient time before the first frost and in early spring after the last frost.

Is it too late to plant seeds in Zone 9? ›

Zone 9 has a long growing season. In general, it lasts from February to November. If you live in zone 9, we recommend starting seeds indoors before the first frost date.

Is it too late to plant seeds in August? ›

August is an ideal time to plant seeds for a second gardening season that can be as productive as your major early spring plantings. Late summer is perfect for a delicious fall vegetable and herb harvest.

Can I plant cucumbers in August? ›

When planted in warmer weather, the plants will establish much more quickly than when planted in the spring. August will likely be too late to plant cucumber seeds, though you may be still able to find young plants at the garden center that you can grow on at home.

Can you plant peppers in August? ›

Peppers will be ready 75-90 days after transplanting. If planted August first, that means we will have peppers in October. Peppers can be picked when they reach full size, and the peppers are firm. You can pick them when they are green or yellow, or wait for them to further ripen and turn orange or red.

What vegetables can you plant in September? ›

Sow beets, bok choy, broccoli, Brussels sprouts, cabbage, carrots, cauliflower, celery, chard, chervil, chives, collards, endive, garlic, kale, kohlrabi, leeks, lettuce (in our hot climate, this is the best time for sowing and transplanting heading types), green onions, short-day bulb onions (like Grano, Granex, and ...

What is the difference between growing zone 9a and 9b? ›

Zone 9a average lows range from 20 to 25 degrees Fahrenheit, while Zone 9b average lows range from 25 to 30 degrees Fahrenheit. To verify your planting zone you can check out the USDA Map. Enter your zip code on their site, or check out the picture below from their site.

What plant is full sun in zone 9? ›

Perennial: Salvia (Salvia x Digenea)

It should be planted in full sun and can be used in small planting or borders. Salvia is relatively easy to grow and with so many hybrids available it can be grown in a wide range of USDA growing zones.

Where are zones 9 through 11 in the United States? ›

The USDA system was originally developed to aid gardeners and landscapers in the United States. In the United States, most of the warmer zones (zones 9, 10, and 11) are located in the deep southern half of the country and on the southern coastal margins.

What are the best tomatoes for Zone 9? ›

Zone 9 Tomato Plants

Of the medium varieties, a favorite is Early Girl, a disease resistant, high yielding plant with sweet flavored, meaty fruit. Stupice is another favored for its cold tolerance as well as disease resistance with smaller fruit with a sweet/acidic taste.

When to plant mustard greens in zone 9? ›

Mustard greens can be grown almost year-round in Zones 9 and 10, except for the hottest and driest months of the year.

What makes cabbage grow faster? ›

Like most vegetables, cabbage needs at least 6 hours of full sun each day; more is better. It also needs fertile, well-drained, moist soil with plenty of rich organic matter. The soil pH should be between 6.5 and 6.8 for optimum growth and to discourage clubroot disease.

When should I start tomato seeds in zone 9? ›

Tomatoes for zone 9 can be started indoors for later transplant as early as late January through April and again in August. Tomatoes come in all shapes and sizes, from the tiny cherry and grape to the enormous slicing heirlooms and somewhere in the middle, the romas.

What seeds to plant in August Southern California? ›

By late-August you can begin direct sowing seeds of broccoli, Brussels sprouts, kale, mustard greens, and other fall crops. Cauliflower and cabbage grow better when you start them indoors and transplant them once seedlings have a chance to mature.

Is August too late to plant wildflower seeds? ›

Traditional planting time is October through February, but wildflowers are adaptable to many different planting regimes, and there is a broad planting window, especially on the coast. Some even swear by late summer sowings, allowing the seeds the chance to bake in the sun.

Is August a good time to seed? ›

Most people might think of Spring as the best time to start a new lawn, but the truth is that late Summer and early Fall are far better for starting a new lawn from seed. Any time after August 15th is prime lawn time; the warm soil in combination with cooler air temperatures will encourage far better seed germination.

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