Zone 10, with mild winters and long growing seasons, October presents an exceptional opportunity to plant a variety of vegetables, flowers, herbs, and landscape plants. This blog post will delve into the best choices for each category, ensuring you maximize your garden’s potential this month.

Vegetables To Plant

When it comes to vegetables in Zone 10, October is the perfect month to start sowing seeds and planting transplants. The warm weather typically lasts well into the fall, giving you a head start on a bountiful harvest. Here are ten vegetables that thrive in your garden during this time.

Tomatoes

Tomatoes love the warm temperatures of Zone 10, making October an ideal time to plant varieties that take advantage of the extended growing season. Choose heat-resistant cultivars like ‘Sun Gold’ or ‘Tommy Toe.’ These varieties can be planted in well-draining soil enriched with organic matter. Tomato plants prefer daytime temperatures between 70°F and 85°F, and they’ll produce fruit until the first frost.

Bell Peppers

Bell peppers thrive in warm weather, and October is an excellent month to plant them. The ideal temperature for growing peppers is between 70°F and 90°F. You can opt for various colors, but ‘California Wonder’ is a popular choice for its sweet flavor and crunch. Plant them in a sunny location and ensure they receive adequate water, as their growth can be stunted by drought conditions.

Spinach

October is perfect for starting a spinach crop in Zone 10. Spinach prefers cooler temperatures, making it well-suited for the mild fall weather. Sow seeds directly into the soil at a shallow depth. Spinach thrives in temperatures between 50°F and 60°F, and you can typically enjoy a harvest within six weeks of planting. The nutrient-rich leaves make this leafy green a great addition to any meal.

Broccoli

Broccoli is another vegetable well-suited for the mild temperatures of late fall. Plant young seedlings in rich soil with plenty of organic material. This cool-weather crop does best in temperatures around 60°F to 70°F and will produce until temperatures rise in spring. Regular watering is essential, especially as the heads form, and cabbage worms may require organic pest management.

Carrots

The sweet crunch of freshly harvested carrots is a delight, and Zone 10 gardeners can plant them in October for a fall harvest. Carrots prefer a temperature range of 60°F to 70°F and require well-drained, loose soil to grow long and straight. Seed them directly in the ground and thin as needed for proper growth. With the right care, you can expect delicious root vegetables harvested as late as January.

Radishes

Radishes are fast-growing and can be planted in October for a quick return on your gardening efforts. These hardy vegetables thrive in cooler temperatures, typically between 50°F and 65°F. They can be ready to harvest in as little as three to four weeks, making them ideal for succession planting throughout the month. Choose varieties like ‘Cherry Belle’ for their reliable growth and crisp texture.

Swiss Chard

Swiss chard is a nutritious leafy green that can be planted in October in Zone 10. With its vibrant colors and robust leaves, it’s a wonderful addition to seasonal salads. Chard prefers slightly cooler temperatures, around 60°F to 70°F, and will adapt well to various growing conditions. As a bonus, it’s somewhat drought-tolerant once established, making it a gardener’s favorite.

Cucumbers

With a bit of care, cucumbers can still be planted in early October in Zone 10. These warm-season crops prefer temperatures between 70°F and 90°F. Look for disease-resistant varieties like ‘Marketmore’ or ‘Armenian’ that can withstand the occasional fall chill. Ensure consistent watering and watch for common pests like cucumber beetles, which can disrupt your harvest.

Garlic

Planting garlic in October in Zone 10 gives it ample time to establish roots before the ground cools. Garlic grows best in a range of 60°F to 70°F and can be planted as soon as the soil is cool enough to work. For optimum flavor, select garlic varieties suited to your local climate, such as ‘California Softneck,’ and ensure they are planted in rich, well-drained soil.

Onions

Onions can be started in October in Zone 10. Choose short-day varieties, which are best suited for your area. These onions thrive in temperatures around 60°F to 70°F. Planting transplants is recommended for quicker results. Adequate sunlight and consistent watering are essential for developing sweet, large bulbs by spring.

Flowers To Plant

October is also a fantastic month for planting flowers in Zone 10. With the weather still warm, many flowers will flourish and provide stunning blooms for your garden.

Marigolds

Marigolds are annual flowers that thrive in warm weather and can be easily planted in October. They are known for their pest-repelling properties, making them stellar companions for vegetable gardens. Marigolds prefer full sun and can tolerate heat, making them ideal for this region. Choose varieties such as ‘French Marigold’ or ‘African Marigold’ for vibrant color throughout fall and into winter.

Pansies

Pansies are a popular choice for fall planting. Their heartwarming colors and resilience make them perfect for colder nights that are common as temperatures dip. These flowers can handle temperatures down to 25°F, but they thrive best in moderate temperatures of around 50°F to 65°F. Pansies can bloom all winter long in Zone 10 with some extra care, including protection from heavy frost.

Snapdragons

Snapdragons are another excellent choice for October planting. These flowers can thrive in cooler weather, with ideal growth occurring between 60°F and 70°F. The tall spikes of color contribute vertical interest to your garden. Transplants work well, and you can choose from a variety of colors and heights, ensuring a still-thriving garden during the later fall months.

Bougainvillea

Bougainvillea is a vibrant, drought-tolerant flowering plant that can be planted in October in Zone 10. Thriving in full sun, these evergreen plants can tolerate heat and drought, making them a great option for low-maintenance gardens. Depending on the variety, Bougainvillea can produce blooms throughout the year, adding tropical allure to your landscape.

Cyclamen

Cyclamen are charming winter flowers that can start budding in October. They prefer cooler temperatures between 40°F and 65°F and flourish in partial shade. These perennial plants feature delicate blooms and attractive foliage, making them a delightful addition to your fall garden. Moreover, they are drought-tolerant once established, so they require minimal care.

Ornamental Cabbage

Ornamental cabbage adds dramatic color to your garden in fall as its foliage changes. Ideal for cooler temperatures, it grows well in the moderate climate of Zone 10. These plants do well in a sunny spot and can handle temperatures as low as 20°F, which is beneficial as winter approaches. With their unique textures and colors, ornamental cabbages are a feast for the eyes as well as a great addition to the holiday decor.

Salvia

Salvia is a versatile and hardy plant suitable for October planting. These perennial flowers are heat lovers that thrive in full sun and can last through the cooler months. With countless varieties available, you can select options with hues ranging from deep blue to vibrant red. Salvia can attract pollinators, making it a beneficial addition to any garden, enhancing both aesthetic and ecological value.

Verbena

Verbena is another great flower for fall planting in Zone 10. Known for their trailing growth habit, verbenas are ideal for hanging baskets or as ground cover. They thrive in sunny locations and can handle drought, making them low maintenance. Their vibrant clusters of flowers bloom all through fall and into the winter, providing consistent color.

Alyssum

Sweet Alyssum is a wonderful, fragrant flower that can be planted in October. Known for its tiny white to lavender flowers, this annual performs best in full sun and can endure cooler temperatures as low as 20°F. It’s a great choice for adding ground cover and enhancing garden pathways, and its mild honey-like fragrance can attract beneficial pollinators.

Lantana

Lantana is a fantastic addition to Zone 10 gardens, especially in October. Known for their colorful clusters of flowers, these plants are heat and drought-tolerant, thriving even in full sun. They attract butterflies and can bloom year-round in warmer climates. Choose varieties such as ‘New Gold’ for a golden display that can light up any garden.

Herbs To Plant

Herbs can enhance your garden and culinary experiences, and October is a great month to sow several varieties in Zone 10. The warmer temperatures allow for a broad selection of herbs that will thrive into the winter.

Basil

Basil can still be planted in early October in Zone 10. This aromatic herb loves warmth with temperatures between 70°F and 90°F. Select varieties like ‘Genovese’ or ‘Thai Basil,’ known for their rich flavors. Plant seeds directly in well-draining soil and ensure regular harvesting to promote new growth.

Cilantro

Cilantro is cool-season herb that flourishes in mild weather. Plant it in October to enjoy fresh leaves for your culinary creations. It prefers temperatures between 55°F to 70°F and can bolt quickly in the heat, so cooler fall temperatures will yield better results. Cilantro seeds can be sown directly in the garden, and as they mature, you can snip the leaves for use in a variety of dishes.

Chives

Chives are perennial herbs that can be planted in October in Zone 10. They thrive in temperatures between 60°F and 75°F and can be started from seeds or divisions. With their onion-like flavor, they complement a variety of dishes. Keep in mind that chives require well-draining soil and full sun for the best growth.

Parsley

October is also an excellent time to plant parsley in Zone 10. This biennial herb prefers cooler temperatures and can withstand light frost, making it perfect for fall planting. Sow seeds directly in the ground, and keep the soil consistently moist. Germination may take a bit longer, but with some patience, you can enjoy a harvest well into winter.

Oregano

Oregano thrives in warmer conditions, making it suitable for planting in October in Zone 10. This perennial herb loves full sun and well-drained soil. It will flourish best when temperatures hover between 70°F and 80°F. Oregano provides a robust flavor in cooking and can be harvested frequently, allowing continuous growth and easy access to fresh leaves.

Thyme

Thyme is another hardy herb that can be planted in October. It prefers moderate temperatures around 60°F to 70°F and thrives in full sun. This perennial herb is drought-tolerant and can grow in poorer soils, making it perfect for low-maintenance gardens. With its aromatic leaves, thyme enhances many dishes and is a staple in herbal gardens.

Mint

Mint grows vigorously and can be planted in October in Zone 10. It prefers well-drained soil and can handle a range of temperatures, though it thrives best between 60°F and 75°F. Given its rapid growth, planting mint in pots may be wise to keep it contained. Mint is an excellent addition to beverages, salads, and desserts, enhancing dishes with its refreshing flavors.

Tarragon

Tarragon is a unique herb beloved for its aromatic leaves and can be planted in October. Preferring slightly cooler conditions, it thrives around 60°F to 70°F and does best in well-drained soil with full sun exposure. This herb can add distinct flavors to various dishes, and, once established, it can expand well in your garden for future harvests.

Dill

Dill can flourish in October, making it a delightful choice for fall planting. With a preference for cooler temperatures between 60°F and 75°F, dill can thrive well in the mild Zone 10 climate. It enjoys sunny spots and well-drained soil, producing feathery leaves and seeds that are perfect for cooking and pickling. Regular harvesting will ensure continuous growth.

Rosemary

Rosemary, a perennial herb, can be planted in October in Zone 10. Thriving in full sun and tolerating heat, this herb grows best between 70°F and 80°F. It’s a rugged plant that can withstand drought conditions but requires good drainage. The woody stems and aromatic leaves enhance various dishes, making it a popular selection for herb gardens.

Landscape Plants To Plant In October

In addition to vegetables, flowers, and herbs, there are several beautiful landscape plants to consider for your garden in Zone 10 during October. These selections will not only enhance your outdoor space but also contribute to the ecological balance of your garden.

Bougainvillea

Bougainvillea, with its stunning bracts and vibrant colors, is perfect for planting in October. They thrive in warm conditions and can withstand drought. Bougainvillea prefers full sun and is a fantastic choice for arbors or trellises. Given enough sunlight and good drainage, these plants can provide a splash of color to your landscape year-round.

Plumbago

Plumbago is a beautiful, flowering shrub ideal for Zone 10, flourishing particularly in October. It thrives in full sun with some tolerance to partial shade. This hardy plant produces lovely blue or white flowers and can grow up to 10 feet tall. It prefers well-drained soil and is drought-tolerant once established, making it a low-maintenance addition to your landscape.

Lantana

Lantana is another stunning perennial shrub well-suited for planting in October. Its colorful cluster blooms attract butterflies and other pollinators, enhancing the ecological richness of your garden. Lantana thrives in sandy, well-drained soils and prefers full sun, showing resilience in drought conditions. It’s a hardy plant that provides continuous beauty through the seasons.

Bird of Paradise

Bird of Paradise offers a unique tropical flair, making it a stunning choice for Zone 10. Plant these perennial plants in well-drained soil with full sun exposure. With temperatures ideally around 70°F to 80°F, one can expect to see their striking, bird-like flowers bloom in the warmer months. This plant makes a statement and provides excellent visual interest in any garden landscape.

Japanese Iris

Japanese Iris is a beautiful choice for landscapes. Best planted in moist, well-draining soil, these resilient irises bloom in vibrant purples and whites. They can tolerate partial sun but will thrive best with consistent light. Planting in October allows them time to establish roots before the colder months, ensuring a stunning floral display come spring.

Canna Lily

October is a wonderful time to plant Canna Lilies for an explosion of color next spring. These bulbs thrive in well-drained soil and full sunlight. They grow best in temperatures around 70°F to 90°F and can create a tropical feel in your garden. They have large foliage and vibrant flower spikes, making them an attractive centerpiece in garden beds.

Hellebore

Hellebore blooms beautifully when many other plants are dormant in winter. Planting these perennial favorites in October will give them time to grow and establish before the colder months set in. Suitable for shaded areas, they thrive in well-drained, rich soil. Hellebores’ evergreen leaves and early blooms can add a touch of life to your garden during the cooler seasons.

Aloe Vera

Aloe Vera is a hardy succulent that can thrive in the warmer temperatures of October in Zone 10. This drought-tolerant plant loves full sun and can add a unique touch to your garden landscape. Aloe Vera is not only aesthetically pleasing but also has numerous health benefits, making it a practical and beautiful addition to any garden.

Agave

Agave plants are perfect for low-maintenance gardens. Planting them in October allows them to acclimate before the cooler winter temperatures. They prefer full sun and sandy, well-draining soil, showcasing their bold architectural forms. Agave is drought-tolerant and emphasizes low water usage, making it a suitable choice for arid garden designs.

Fuchsia

Fuchsia is a lovely, flowering shrub that can provide a beautiful touch to any garden. Ideal for cooler, shaded areas, fuchsias thrive in well-drained soil and can handle the moderate temperatures of October in Zone 10. Their cascading flowers bring a pop of color and attract hummingbirds, making them a delightful addition to your landscape.