This guide will provide in-depth information on the best vegetables, flowers, herbs, and landscape plants to cultivate in Zone 10 during April, offering insight on planting methods, maintenance, and tips for successful gardening.

Vegetables To Plant

Tomatoes

Tomatoes are among the most popular crops for home gardeners and thrive in the warm weather of Zone 10. In April, the risk of frost has passed, making it an excellent time to plant both determinate (bushy types) and indeterminate (vining types) varieties. Specifically, consider heat-tolerant varieties like ‘Heatmaster,’ known for their ability to set fruit in elevated temperatures.

To plant tomatoes, select a location that receives ample sunlight—at least 6-8 hours daily. Prior to planting, amend the soil with organic compost or well-rotted manure to improve nutrient content and drainage. Transplant seedlings deeply, burying two-thirds of the stem, which encourages root development. Mulching can help retain soil moisture and regulate temperature, allowing for vigorous growth.

As the plants mature, pay attention to watering; consistent moisture is key, particularly during flowering and fruiting to prevent blossom drop. Consider also staking or using cages for support as the plants grow tall. Fertilize regularly, ideally with a balanced fertilizer once the first fruits appear, ensuring the plants get the nutrition they need for abundant yields.

Peppers

Peppers are another essential vegetable that flourishes in the warm climate of Zone 10. You can plant both bell peppers and hot pepper varieties like jalapeños and habaneros starting in April. These plants love warmth, growing best when daytime temperatures consistently range between 70°F and 85°F (21°C to 29°C).

Select a sunny location and prepare the soil with organic compost to ensure adequate drainage and nutrients. Plant the seedlings at least 18 inches apart to allow sufficient airflow, which helps prevent disease. Regular watering is crucial, especially during the hotter months—mulching helps retain moisture in the soil and suppress weeds.

Monitor the plants for pests, such as aphids and thrips, as they can affect yield. Using organic insecticidal soap can help manage these pests without harming beneficial insects. Once peppers start to form, you can harvest them at their preferred ripeness based on the variety—harvesting encourages further fruit production and keeps plants productive.

Eggplant

Eggplant is a versatile and delicious vegetable that thrives in the warm conditions typical for Zone 10. April is perfect for planting eggplant since it requires warm soil with temperatures consistently above 60°F (16°C) for optimal growth.

Choose a sunny spot in the garden and prepare the soil by mixing in compost or organic matter to enhance drainage and fertility. Space the seedlings about 18-24 inches apart, allowing room for their bushy growth. Regular watering is essential, especially during warmer periods, to help the plants establish roots and develop fruit.

Consider selecting varieties like ‘Black Beauty’ or ‘Japanese Eggplant’ for their adaptability to hot climates. Keep an eye out for pests such as whiteflies and spider mites that may pose a threat. Using row covers early in the season helps protect young plants, while regular harvesting boosts continued production throughout the summer months.

Cucumbers

Cucumbers are a refreshing, summer favorite, ideal for planting in April in Zone 10. These warm-season plants prefer temperatures above 70°F (21°C) and can grow well when direct sown into the soil after the frost danger has passed.

Choose a sunny location with well-drained soil. Cucumber plants benefit from soil amended with compost to provide nutrients. For efficient use of space, consider training vining varieties on trellises, which helps save garden space, improves airflow, and minimizes the risk of soil-borne diseases.

Water regularly and deeply, especially during dry spells, to encourage healthy growth and prevent bitterness. Mulching around the base of the plants can help retain moisture and reduce weed competition. Harvest cucumbers when they are still young and firm for the best flavor, ensuring the plant continues to produce.

Zucchini

Zucchini is a favorite summer squash worth planting in April as it grows rapidly in warm weather. It is best to directly sow zucchini seeds into the soil or transplant seedlings once the soil temperature rises consistently above 60°F (16°C).

Select a sunny area with rich, well-drained soil; zucchini plants appreciate organic matter mixed into the planting site. Space seeds or seedlings 24 inches apart to allow for the sprawling growth habit of the plants. Like cucumbers, zucchini can benefit from being grown on trellises or in raised beds.

Water regularly, ensuring the plants receive moisture but avoid waterlogging, which can stunt growth. Regular harvesting encourages further fruit production; zucchinis should be harvested when small and tender for the best flavor. Keep an eye out for pests such as squash bugs or vine borers, and use organic insecticides as necessary.

Lima Beans

Lima beans are a nutritious and flavorful legume ideally suited for planting in April in Zone 10. They thrive in warm soil; as the temperatures rise, sow lima bean seeds directly into well-drained soil where they can flourish.

These beans prefer partial to full sun and perform best in sandy loam enriched with organic matter. Ensure proper spacing, as lima beans can become bushy; plant seeds 2-3 inches apart and thin as necessary once they begin to grow.

Lima beans enjoy consistent moisture while establishing themselves; regular watering helps maintain healthy growth. Once established, they require less frequent watering and can tolerate moderate drought. Harvest the beans at their preferred size, ensuring you pick regularly to encourage a longer harvesting season.

Carrots

Carrots can be sown in April in Zone 10, particularly heat-resistant varieties like ‘Nantes,’ which can adapt to warmer weather. While commonly planted in cooler season, certain varieties will perform well even during the spring and summer.

Ensure the soil is well-tilled and rich in organic matter, helping to create a nutritious bed that facilitates root development. Carrots thrive in loose, sandy soil that drains well, as compacted soil can lead to misshapen roots. Sow seeds directly into the ground and thin seedlings as they emerge to allow space for growth.

Regular watering is essential for carrots; consistent moisture is key for tender roots while watering twice a week usually suffices. Keep the soil moist but not sodden. Harvest carrots when they mature, which can vary based on the variety, but try to harvest before they become woody.

Green Beans

Green beans are easy to grow and thrive in the warm conditions of Zone 10. The ideal time to plant them starts in April. These legumes can be either bush varieties or pole varieties, both of which will flourish in the warmer months.

Select a well-drained, sunny area of your garden and prepare the soil with organic matter. For bush beans, sow seeds directly into the ground 1-2 inches apart or space pole beans along a trellis or support structure.

Water consistently, keeping the soil evenly moist while ensuring good air circulation around plants to prevent diseases. Beans are relatively spontaneous and will grow rapidly, producing beans for harvest within weeks. Regularly picking green beans encourages further production, ensuring a long harvest season.

Squash

Summer squash, including popular varieties like yellow squash and crookneck, is an excellent choice for planting in April in Zone 10. They thrive in warm soil and full sunlight.

Sow seeds directly in well-drained soil after soil temperatures rise above 60°F (16°C) to ensure optimal germination. Space seeds or seedlings appropriately, allowing enough room for plants to spread.

Water regularly, especially in dry periods; keeping the soil moist will yield successful growth and higher fruit production. Regular harvesting is vital as it promotes continued growth. Check for pests such as squash beetles, and use natural pest control methods or organic pesticides to protect your crop.

Okra

Okra is a favorite southern vegetable that loves the heat, making it ideal for planting in April in Zone 10. This warm-season crop thrives when temperatures soar and can handle high heat, perfecting its growth during the summer months.

Sow seeds directly into well-drained soil once soil temperatures are consistently above 70°F (21°C). Space the seeds adequately, as okra can grow tall and bushy.

Regular watering, especially during dry spells early on, will help establish strong plants. Okra plants become more drought-tolerant once established, requiring less frequent irrigation. Harvest young pods frequently—around 3-4 inches long—as it encourages further growth and prevents hardening.

Flowers To Plant

Marigolds

Marigolds are an excellent choice for vibrant color in the garden. With their bright oranges and yellows, they not only brighten up the landscape but also act as pest deterrents, making them a practical choice for vegetable gardens. April is a prime planting month for marigolds in Zone 10 after the last frost.

Plant them in well-drained soil, selecting a spot with full sun for best results. Marigolds can thrive in poorer soils and require minimal watering. Deadheading spent blooms can promote continuous flowering throughout the summer and early fall.

Consider interplanting marigolds among vegetables to help reduce insect pressure, particularly on plants susceptible to nematodes and aphids. Their cheerful blooms can attract beneficial pollinators, maximizing your garden’s biodiversity.

Zinnias

Zinnias are a vibrant and versatile flower that can easily be grown in April within Zone 10. These quick-growing, annual plants are available in a variety of sizes and colors, perfect for creating stunning summer displays.

Plant zinnias in well-draining soil located in full sun for the best results. Regular watering, particularly during dry periods, helps keep the plants healthy and encourages lush growth. Consider pinching back young plants to encourage bushier growth and greater flowering potential.

Zinnias are also excellent cut flowers, and regular harvesting of blooms can promote more vigorous flowering. Planting a mix of tall and short varieties can create an appealing visual layer in flower beds.

Petunias

Petunias bring brilliant hues and rich fragrances to any garden and can be planted in April in Zone 10 for stunning summer displays. These annual flowers thrive in sunny locations and prefer well-drained soil enriched with compost.

Plant petunias in containers, raised beds, or hanging baskets, ensuring they receive full sun for optimal growth. Regularly deadheading faded blooms encourages continued flowering; consider fertilizing every few weeks during the growing season for maximum impact.

Despite their resilience, petunias can suffer from root rot in overly saturated soils; thus, proper drainage is crucial when planting. With ample sun and care, petunias can transform any outdoor space into a fragrant, colorful oasis.

Sunflowers

Sunflowers are iconic summer blooms that make a bold statement in any garden. Easy to grow and ideal for children or novice gardeners, they can be sown directly into the ground in April in Zone 10.

Choose a sunny spot where they can bask in full sunlight. Sunflowers prefer fertile, well-drained soil, and they enjoy space as they can grow large quickly, needing adequate room for roots. Water regularly, especially during dry weather, to keep the plants thriving.

Sunflowers attract bees and butterflies, making them an excellent addition for pollinator gardens. Be sure to let a few mature seeds remain to feed birds in the garden during the fall.

Cosmos

Cosmos is another ideal annual flower that can be planted in April in Zone 10. Known for their unique feathery foliage and cheerful blooms, they thrive in full sun and are drought-tolerant, making them low-maintenance options.

Sow seeds directly into the garden or start them indoors for transplanting later, making space for at least 12-18 inches apart. Cosmos appreciate well-drained soil and can tolerate poor soil conditions, making them an adaptable and resilient choice.

As the blooms mature, regular deadheading encourages prolonged flowering throughout the growing season, enhancing their appearance and impact in the landscape. Cosmos attract beneficial insects, including bees and butterflies, adding to your garden’s ecology.

Bougainvillea

Bougainvillea is a tropical classic, favored for its exuberant and colorful bracts that add splashes of pink, purple, or orange to any landscape. April is an excellent time for planting bougainvillea in warm climates like Zone 10.

These plants thrive in full sun and prefer well-draining soil to avoid root rot. Bougainvillea is drought-resistant once established, making it a wonderful addition for gardeners preferring easy-care options.

Regular pruning is necessary to maintain shape and promote new blooms. Consider using bougainvillea as a climbing plant against trellises or walls, or letting them cascade over walls for a dramatic display of color.

Snapdragons

Snapdragons are charming vertical flowers that add height and character to any garden bed. They can be planted in April in Zone 10 to ensure blooms linger through the warmer months.

These flowers prefer loamy, well-drained soil and should be spaced adequately to allow air circulation. Snapdragons thrive in sunny locations but may also appreciate some afternoon shade to protect them from intense heat, particularly during their blooming period.

Regularly deadheading spent flowers will ensure continued blooming, while fertilizing every few weeks enhances growth. Snapdragons also make excellent cut flowers to bring the beauty of the garden indoors.

Calibrachoa

Calibrachoa, commonly known as million bells, is a stunning perennial that blooms profusely throughout the summer. If you are looking for a flower that can make an impact in containers or hanging baskets, consider planting calibrachoa in April.

These plants thrive in well-drained soil and require full sunlight. Keep their soil consistently moist but not overly saturated. Calibrachoa benefits from regular feeding with a balanced fertilizer, ensuring rich blooms and a strong growth habit.

Their cascading growth habit makes them perfect for container gardening. These flowers are easy to care for, needing only occasional deadheading to extension their bloom duration during the growing season.

Lantanas

Lantanas are cheerful, drought-resistant perennials that can be planted in April in Zone 10, adding a riot of color to gardens. Known for attracting butterflies and hummingbirds, these hardy plants thrive in sunny locations with well-drained soil.

Lantanas require very little care; once established, they can flourish under various conditions, from drought to poorer soils. If desired, pruning in the spring can help maintain the desired shape and promote denser foliage and flowering.

Their vibrant blooms come in numerous colors and can be used in borders, landscaping features, or mixed with other seasonal flowers. Lantanas continue to thrive with little attention, truly brightening up any outdoor space.

Dianthus

Dianthus, or sweet William, presents gorgeous blooms and delightful fragrances, ideal for planting in April. These perennial flowers thrive in the warm climate of Zone 10 and are available in various colors and sizes to suit any garden style.

Dianthus prefers well-drained, fertile soil and full sun exposure. Regular deadheading encourages continued blooming, and these flowers perform exceptionally well in garden beds, containers, or as border plants.

They can tolerate light shade and enjoy moderate watering—but avoid overwatering, as they do not appreciate soggy soils. Their delightful scent and beautiful flowers make them a perennial favorite for many gardeners.

Herbs To Plant

Basil

Basil is an essential herb in culinary dishes, and it thrives wonderfully when planted in April within Zone 10. Known for its fragrant aroma and vibrant green leaves, basil is a traditional herb in Italian cooking and pairs well with tomatoes, making it ideal for companion planting.

Plant basil in well-draining, rich soil that has been amended with compost. It requires full sunlight to grow robust and flavorful; ensure that it receives at least 6 hours of sunlight daily. Regular watering is essential, but be mindful of watering less frequently once the plant is established to prevent root rot.

To promote bushier growth, pinch back the tips frequently, which also prevents flowering. Harvest leaves regularly, and use them fresh or dried to enhance your culinary creations. Basil is also known to repel certain insects, making it beneficial when planted near other vegetables.

Oregano

Oregano is a resilient herb that thrives well in the warm climate of Zone 10. It is a staple in many culinary dishes, particularly Italian and Greek food, and can be planted in April for continuous harvest throughout the summer.

Plant oregano in sunny locations with well-draining, sandy to loamy soil. This herb prefers poorer soils, making it a low-maintenance option for gardens. Oregano is drought-tolerant; once established, it requires minimal watering.

Harvest oregano regularly to encourage bushy growth. Dried leaves from a summer harvest can be stored for winter use, allowing you to enjoy this flavorful herb year-round.

Thyme

Thyme is a versatile perennial herb that does beautifully in the warm weather of Zone 10. April is an excellent time to plant thyme, which can be used in various culinary applications and is known for its aromatic properties.

Choose a well-drained sandy or loamy soil for planting, as thyme thrives in conditions that others may struggle with. As a Mediterranean herb, thyme enjoys full sun and can withstand drought conditions once established.

Regular harvesting helps maintain the plant’s shape and encourages new growth. Thyme is also known for its pest-repelling properties and can be planted alongside other vegetables to deter harmful insects.

Cilantro

Cilantro is an herb with a unique flavor profile that can be planted in April in Zone 10, especially for those who enjoy fresh salsa or garnishes in their culinary creations. While cilantro prefers cooler temperatures, it can grow well when given partial shade during the hotter months.

Plant cilantro in well-drained soil and provide consistent moisture to help the seeds germinate. Adding mulch can help retain moisture and regulate soil temperature.

Regularly trimming the leaves encourages new growth and prevents the plant from bolting during the heat of summer. Similar to basil, cilantro is best used fresh but can also be dried for later use.

Chives

Chives are a perennial herb that provides delightful onion-like flavor to various dishes. They are easy to grow and thrive when planted in April in Zone 10.

Plant chives in well-drained soil with full sun exposure. They flourish in a variety of soil types, including clay, loamy, and sandy soils. Regular watering promotes robust growth, but mature chives can handle short periods of drought.

Harvest chives by cutting them back, allowing continual growth. They also attract pollinators to your garden, fitting in beautifully with various flower or vegetable arrangements.

Mint

Mint is a fragrant and popular herb that flourishes in warm weather. April is the perfect time to start planting mint for gardeners in Zone 10. This vibrant herb is a favorite for beverages, desserts, and culinary dishes.

Select a sunny spot or place it in partial shade during the hottest hours of the day. Mint can become invasive, so consider planting it in containers or confined garden beds to keep its growth in check. Ensure the soil is rich and well-draining, allowing for regular watering while avoiding overly wet conditions.

Once established, mint requires minimal care. Frequent harvesting promotes new growth and keeps the plant looking lush and vibrant throughout the growing season.

Dill

Dill is an aromatic herb pleasantly used in various dishes and pickling recipes. April is a perfect month for planting dill in Zone 10, ideally in sunny areas for successful growth.

Dill prefers well-drained soil and requires consistent moisture during its growth phase. Seed directly into the ground or start indoors for transplanting later. Space seeds properly to allow room for growth.

While dill can be sensitive to heat, it can typically adapt to warmer conditions. Consider planting it with cooler crop varieties to make better use of garden space. Regular harvesting of leaves encourages new growth and provides culinary delights throughout the summer.

Rosemary

Rosemary is a lovely, fragrant perennial herb that enjoys the warmth of Zone 10. April is the ideal time to plant rosemary, which can thrive with very little attention once established.

Choose a sunny spot with well-draining soil; rosemary is prone to root rot in overly saturated soils. Regular watering during hot spells will help establish your plant; however, once rooted, rosemary thrives on neglect.

Regular pruning helps maintain shape and encourages bushier growth. The fragrant leaves are great for cooking, making rosemary a valuable herb for chefs and home cooks alike.

Sage

Sage is another herb that flourishes well in the warm climate of Zone 10. Planting in April will provide an abundance of leaves for culinary delights throughout the growing season.

Sage prefers full sun and can thrive in poor soil conditions. However, incorporating some organic matter into the soil will facilitate stronger growth. Plant them with adequate spacing to allow airflow and minimize disease risk.

Regular pruning will keep sage healthy and promote new growth. Harvest leaves as you need them, ensuring you promote further growth and flavor retention in your culinary applications.

Landscape Plants To Plant In April

Citrus Trees

Citrus trees like lemons, limes, and oranges thrive in the warm climate of Zone 10. By April, the risk of frost has diminished, making this an excellent time to plant these trees.

Choose a location with full sun exposure and well-drained soil. Use organic compost to enrich soils, and ensure deep rooting by planting the tree at the same depth it was planted in the nursery. Regular watering during early establishment is vital, as young trees need moisture to establish strong root systems.

As trees mature, they require less water, and proper fertilization should be performed at the start of the growing season. It’s essential to monitor for pests like aphids and scale, applying organic insect controls as needed.

Hibiscus

Hibiscus is a tropical treasure that will add an exotic charm and vibrant color to any garden. Planting in April allows hibiscus plants to thrive year-round in Zone 10.

These hardy shrubs prefer full sun and well-drained, fertile soil. When planting, amend the soil with compost to aid growth. Hibiscus needs regular watering, particularly during hot spells, to maintain hydration as they flower.

Pruning during the dormant season promotes healthy growth. Monitor for pests such as spider mites and aphids, utilizing organic insecticidal soap if required. Hibiscus makes stunning focal points and is splendid as a backdrop in flower gardens.

Bougainvillea

Bougainvillea is a stunning perennial known for its vibrant bracts, which can add a spectacular touch to any garden space. April is ideal for planting bougainvillea in warm climates such as Zone 10.

These plants thrive in full sun and prefer well-drained soil to establish a strong root system. They are drought-tolerant once established, making them a wonderful, low-maintenance landscaping option.

Pruning during the blossoming season can help maintain their colorful display and desired bushiness. Bougainvillea can be grown on trellises or as cascading covers to create dramatic visual effects in the landscape.

Plumbago

Plumbago is a beautiful flowering shrub perfect for brightening up gardens in Zone 10. April is an excellent time to plant plumbago, as it grows best in warm conditions.

Choose a location with full sun and well-drained soil. Plumbago is drought-tolerant, but regular watering helps establish a strong root system. The brilliant blue to white flowers bloom abundantly, attracting butterflies and pollinators.

Regular pruning can encourage a bushier plant and prolong blooming through summer. With long-lasting flowers and a striking appearance, plumbago can serve as a stunning border or focal point in any garden.

Aloe Vera

Aloe Vera is a popular succulent that offers great ornamental and health benefits. April is a great time to plant these drought-tolerant plants in Zone 10 where they can thrive in warm, sunny conditions.

Choose a sunny spot with well-draining soil, as aloe is sensitive to root rot. Plant in containers or ground beds, ensuring adequate spacing to accommodate future growth. Water sparingly, particularly through the hotter months, allowing the soil to dry out between watering sessions.

Aloe Vera thrives on neglect, making it perfect for low-maintenance gardens. The fleshy leaves can be harvested for their gel, which has soothing properties for skin irritations such as burns or cuts.

Lantana

Lantana is a cheerful, resilient perennial that flourishes in warm climates and is ideal for planting in April in Zone 10. Its vibrant colors attract various pollinators, making it a fantastic addition to any landscape.

Plant lantana in well-drained soil and full sun; they can tolerate poor soils but may produce less if not given nutrients. Once established, they are drought-tolerant and require minimal upkeep.

Pruning in spring can help maintain shape and promote more vigorous growth. Lantanas are versatile and can be used in borders, pathways, or as ground cover—providing lasting color and attracting wildlife year-round.

Ixora

Ixora is a tropical shrub characterized by its clusters of small, colorful flowers that bloom throughout the year. Planting Ixora in April within Zone 10 supports vibrant growth through warm growing seasons.

These plants appreciate full sunlight and well-drained soil. Regular watering during establishment will ensure proper growth; Ixora is relatively tolerant of drought once mature.

Pruning can help maintain a bushy form, boosting flower production. Ixora thrives beautifully in hedges or borders and is highly attractive to hummingbirds and butterflies, enhancing your garden’s biodiversity.

Jasmine

Jasmine, known for its fragrant flowers, can be planted in April in Zone 10 for its lush and captivating appearance. Jasmine prefers full sun but appreciates some afternoon shade during hot spells.

Plant jasmine in well-drained soil and allow sufficient space for it to spread. It can be trained on trellises or planted in containers for a beautiful hanging garden display. Regular watering during the establishment phase promotes flourishing growth.

Pruning after the flowering period encourages denser foliage and promotes future blooming. Jasmine’s sweet aroma and delightful appearance make it an excellent choice for entryways, gardens, or along fences for visual and aromatic appeal.

Cannas

Cannas are bold, tropical plants that produce stunning foliage and flowers, perfect for adding drama and color to your garden. Planting canna rhizomes in April in Zone 10 allows for optimal growth and impressive summer displays.

Choose a well-drained, sunny location for canna plants, and enrich soil with organic matter to support their growth. Regular watering throughout the growing season is essential, as canna plants require sufficient moisture for lush foliage and flowering.

Deadheading spent flowers encourages continued blooming, extending the vibrancy of your garden display. Cannas can serve as striking focal points or be used in garden borders, adding texture and flair.