Whether you’re looking to plant vegetables, flowers, herbs, or landscape plants, this guide will dig into the specifics of each category, providing you with detailed insights to help you thrive in your gardening endeavors.
Vegetables To Plant
Growing vegetables in August offers an opportunity to extend your harvest season and introduce some new crops that thrive in cooler temperatures. Here are ten vegetables that are ideal for planting this month in Zone 9.
Tomatoes
Tomatoes are a staple in many gardens, and Zone 9 allows for a second planting of these delicious fruits. Varieties such as early girl and cherry types are particularly suitable for late summer planting. Aim to plant them by mid-August to ensure that they can mature before the temperatures drop. They prefer daytime temperatures around 70 to 85°F and can withstand some cooler nights. Tomatoes can be grown until the first frost, usually in late November in Zone 9.
Peppers
Similar to tomatoes, peppers thrive in warm climates. August is the perfect time to sow varieties such as bell peppers, jalapeños, and even some hot pepper types. Ideally, they should be started from seeds indoors or purchased as young plants from a nursery to ensure a robust start. Peppers enjoy full sun and do best when temperatures remain between 70°F and 90°F during the day, making Zone 9 a favorable environment for late summer planting.
Green Beans
Planting green beans in August can yield an abundant harvest before the cooler months. These fast-growing plants can be direct-seeded in well-drained soil. They thrive best in temperatures between 70°F and 85°F. It’s advisable to choose bush varieties for quicker yields. Keep the seeds consistently watered to maintain soil moisture, and you can start harvesting within 50-60 days.
Carrots
Carrots can be sown directly into your garden in August, making them an excellent option for fall harvesting. They prefer loose, sandy soil for optimal root growth and thrive in temperatures between 50°F and 75°F. It’s essential to keep the soil moist but not waterlogged, to ensure germination. Varieties such as Danvers 126 and Nantes are particularly well-suited for the cooler fall months.
Beets
Beets are a versatile addition to your garden and can be successfully planted in August. They perform well in temperatures between 50°F and 85°F, with ideal germination occurring when soil temperatures reach around 50°F. Beets can be harvested as baby beets if you prefer tender roots. They are also rich in nutrients and can add visual appeal with their vibrant red hue.
Spinach
August is an ideal month to sow spinach seeds, as this leafy green thrives in cooler temperatures. It is best to plant spinach by the end of the month, as it can tolerate temperatures as low as 20°F. Opt for varieties like Bloomsdale Long Standing or Tyee for best results. Spinach can be harvested multiple times if cut properly, allowing for a continuous crop throughout the fall and winter months.
Lettuce
Lettuce varieties such as romaine, butterhead, and leaf lettuce can be planted in August for a late fall harvest. They prefer cooler days, generally thriving at temperatures between 60°F and 70°F. Direct sow seeds in well-prepared soil, and keep them adequately watered. Greens can be harvested within 30-60 days, making them a quick and rewarding crop.
Radishes
Radishes are one of the fastest-growing crops and can be sown in August for quick returns. They thrive in cooler temperatures and can be harvested in as little as three to four weeks after planting. Varieties such as Cherry Belle or French Breakfast are great choices. Sow them directly in the garden in well-drained soil, and ensure consistent watering for optimal growth.
Kale
Kale is another leafy green that does well in the cooler months. Planting kale in August ensures that you have a nutritious crop ready for harvest by fall. Varieties like Winterbor often thrive in temperatures as low as 20°F. Kale can withstand light frosts, which can even enhance its flavor, making it a fantastic choice for Zone 9.
Swiss Chard
Swiss chard is a versatile green that can be planted in August, thriving in the favorable fall conditions of Zone 9. It prefers well-drained soil and can be harvested throughout the growing season. Swiss chard tolerates temperatures ranging from 20°F to 80°F, making it an adaptable and resilient choice for your late summer garden.
Flowers To Plant
Flowers not only beautify your garden but can also enhance your landscape’s biodiversity, attracting pollinators like bees and butterflies. Below are ten flowers you can plant in August in Zone 9.
Marigolds
Marigolds are excellent annual flowers to plant in August. They are hardy and can tolerate the remaining summer heat while blooming right into fall. Varieties like French marigolds offer vibrant orange and yellow blooms that can last until the first frost. They prefer full sun and well-drained soil, making them easy to maintain.
Zinnias
Zinnias are another popular late summer flower that can thrive in Zone 9. These vibrant blooms come in various colors and are known for their resilience to heat and drought. Plant them in sunny spots with good air circulation to prevent disease. They can quickly grow to provide stunning displays until autumn.
Cosmos
Cosmos are known for their airy structure and bright colors, making them an attractive addition to any garden. They thrive in warm temperatures and can be direct-seeded as late as August. Cosmos prefer well-drained soil and full sun, growing tall and creating a lovely backdrop for shorter plants.
Sunflowers
By early to mid-August, you can plant sunflowers for a stunning late summer display. They enjoy sunny locations and can grow to impressive heights with minimal care. Varieties like dwarf sunflowers can also be planted in smaller spaces. Harvest the seeds after flowering if you wish, providing food for birds.
Asters
Asters are perennial flowers that bloom in late summer and early fall, perfect for planting in August. They prefer well-drained soil and full sun, thriving in temperatures around 60°F to 75°F. Varieties like New England Asters showcase beautiful purple blooms that can attract butterflies, adding life to your garden.
Snapdragons
Snapdragons are unique flowers that can be perennial or annual depending on the variety. Planting them in August allows them to establish roots before the colder months. They flourish well in cooler weather, blooming beautifully in late fall. Snapdragons prefer well-drained soil and full sunlight.
Pansies
Pansies can be planted in August for an early spring bloom next year, making them an excellent cool-season flower. They can withstand cooler temperatures down to 28°F and produce vibrant tricolor flowers. Their hardiness and charm make them a great choice for edging or pots.
Dahlias
Dahlias offer stunning blooms from mid-summer to frost. August is a great time to plant tubers for a fall display. They thrive in sunny locations and prefer slightly warmer soil temperatures. Careful attention to watering and good drainage is essential to prevent tuber rot.
Ornamental Grasses
Planting ornamental grasses in August can add texture and movement to your landscape. Varieties like Feather Reed Grass and Blue Fescue are excellent for your zone. They thrive in full sunlight and can handle drought once established, making them low-maintenance choices that can last throughout the seasons.
Acalypha (Copper Leaf)
Acalypha, commonly known as Copper Leaf, is a tropical perennial that can be grown as an annual in Zone 9. Its vivid colors can brighten up your garden, and it thrives in warm conditions. Acalypha prefers full sun and moist, well-draining soil. It can survive light frosts, adding vibrant foliage to your landscape.
Herbs To Plant
Herbs can tremendously enhance your culinary endeavors and contribute to the fragrance and beauty of your garden. In August, several herbs can be sown in Zone 9, providing fresh flavors for your kitchen and beautifying your outdoor spaces.
Basil
Basil is a beloved herb and thrives in the warm temperatures of late summer. Plant seeds directly in your garden or in pots by mid-August to ensure a vigorous growth cycle before the cooler months. Basil loves full sun and needs well-drained soil; consistent watering will promote healthy growth, yielding aromatic leaves for culinary use.
Cilantro
Cilantro is a versatile herb that grows quickly and can be planted in August for a fall harvest. It prefers slightly cooler temperatures—around 60°F to 70°F—making it suitable for planting later in the summer. Sow the seeds directly in well-draining soil, and you’ll have fresh cilantro to complement your dishes in no time.
Dill
Dill is great for adding flavor to various dishes and pickles. It’s best suited for planting in August as it thrives in the cooler temperatures of fall. Dill prefers full sun and can grow well in various soil types, though it prefers well-drained soil. You will enjoy its feathery foliage and edible seeds.
Chives
Chives are perennial herbs that can be planted from seed or division in August. They thrive in full sun and well-drained soil and are hardy enough to withstand cooler temperatures down to 30°F. Chives are a wonderful addition to salads, soups, and savory dishes, and their purple flowers are an added visual appeal in the garden.
Oregano
Oregano is a robust herb that can be planted in August, allowing it to establish itself before the cooler months. It prefers full sun and can be grown from seeds or cuttings. Oregano is very tolerant of varying temperatures but thrives best in well-drained soil. It’s a must-have for Mediterranean cooking.
Thyme
Thyme is another perennial herb that can be started in August. This herb thrives in sunny, well-drained locations and is incredibly drought-tolerant once established. With its fragrant leaves, thyme can enhance a variety of dishes and pairs well with rosemary and oregano in culinary creations.
Parsley
Flat-leaf parsley can be planted in August for a lush fall harvest. It prefers cooler temperatures for germination and can thrive in partial shade. Parsley will start sprouting in about 14-21 days and can be harvested continually by snipping outer leaves.
Mint
Mint is a robust perennial herb that can be planted in August. It’s best grown in containers to prevent it from overtaking your garden due to its vigorous growth nature. Mint prefers moist, well-drained soil and partial shade or full sun. This fragrant herb is excellent for teas, desserts, and garnishes.
Sage
Sage can be successfully planted in August and will thrive in well-drained soil and full sun. This perennial herb is drought-tolerant once established, making it a low-maintenance gardener’s choice. Sage is not only prized for its culinary uses but also attracts pollinators to your garden.
Fennel
Fennel is a unique herb that can be planted in August. It grows well in warmer temperatures and can reach significant heights. Fennel prefers well-drained soil and sunny locations, making it an attractive addition to the herb garden. Both the fronds and the bulbs are edible, adding an anise-like flavor to your dishes.
Landscape Plants To Plant
Enhancing your landscape with the right plants can result in a beautifully vibrant space throughout the year. Here are ten landscape plants ideal for planting in August in Zone 9.
Oleander
Oleander is a robust, drought-tolerant shrub that thrives in the warm climate of Zone 9. Planting in August allows it to establish roots before winter. Oleander can bloom in various colors including white, pink, and red, preferring full sun and well-drained soil. It’s great for hedges or as a focal point in gardens.
Lantana
Lantana is a vibrant flowering plant that does well in hot, dry conditions. It is perfect for planting in August, as it loves the heat and attracts butterflies. Lantanas come in a variety of colors and can flourish in both garden beds and containers. They require full sun and are relatively low-maintenance once established.
Hibiscus
Hibiscus plants add tropical flair to any garden. By planting in August, you can enjoy flowers through the late summer and into early fall. These plants prefer full sun and bloom best when they receive ample water, thriving in well-drained, loamy soil. The flowers can range from white to vivid red, creating a stunning display.
Bougainvillea
Bougainvillea is a stunning vine that flourishes in hot climates. When planted in August, it will establish itself for blooming through fall. These hardy plants thrive on neglect; they prefer full sun and well-draining soil. The vibrant bracts can turn landscapes into a burst of color, perfect for trellises or fences.
Agapanthus
Agapanthus, or lily of the Nile, is an ornamental plant that can be implanted in August. It produces clusters of stunning blue or white flowers and thrives in full sun. Once established, it is drought-tolerant and can handle varying soil conditions, making it a beautiful addition to any garden.
Daylilies
Daylilies can bloom from various colors and are known for their resilience. Planting them in August allows the roots to settle before the chill of winter. They thrive in well-drained soil with full sun to partial shade. Daylilies are low maintenance and can offer brilliant flowers with minimal care.
Japanese Gardenia
This evergreen shrub provides glossy foliage and fragrant blooms. Planting Japanese gardenia in August can lead to a beautiful display in your garden. They prefer acidic, well-drained soil and can thrive in partial sun, making them versatile for different locations in your landscape.
Nandina
Nandina, or heavenly bamboo, is an evergreen shrub that can add color and texture to your landscape. Planting in August gives it time to establish roots before the cooler months. Nandina tolerates a range of soil types and prefers partial to full sun. Its foliage turns brilliant colors in the fall, making it a standout in any garden.
Texas Sage
Texas sage is a drought-tolerant shrub ideal for the warmer months. Planting this in August allows it to establish before winter. It thrives in full sun and requires minimal water once established, making it low maintenance. The purple flowers bloom sporadically during the summer, providing visual interest.
Purple Fountain Grass
Purple fountain grass is known for its arching plumes and rich color. Planting in August allows it to thrive in the warm soil conditions and produce dynamic growth through fall. It prefers sunny locations and well-drained soil. This ornamental grass provides movement and character to landscape designs.
