Understanding which plants to introduce to your garden in late spring can help maximize your garden’s potential, ensuring vibrant yields, blooming florals, and lush landscapes. In this detailed guide, we’ll explore an array of vegetables, flowers, herbs, and landscape plants ideal for planting during this invigorating season.

Vegetables To Plant

Late spring is an ideal time to plant a variety of vegetables. The soil is warm, and the danger of frost has typically passed, creating perfect growing conditions.

Tomatoes

Tomatoes are perhaps the most beloved garden vegetable. They thrive in warm weather, with optimal temperatures ranging between 70°F and 85°F. Late spring is perfect for transplanting young tomato plants, typically after the last frost date in your area. When planting, ensure the soil is well-drained and enriched with organic matter. Space plants about 2-3 feet apart to promote airflow and reduce the risk of diseases.

Cucumbers

Cucumbers flourish in warm temperatures, preferring a range typically between 70°F and 95°F. They grow quickly, making them an excellent choice for late spring planting. Direct sow cucumber seeds outdoors after the last frost, ideally in late May. Choose a sunny location with well-drained soil, and consider using trellises for vertical growing to save space and improve air circulation.

Peppers

Whether sweet or hot, peppers thrive in warm weather. They prefer temperatures between 70°F and 85°F. Start seeds indoors 8-10 weeks before the last frost or purchase transplants from a nursery. Plant them 18-24 inches apart in well-draining soil after the threat of frost, typically around late May to early June.

Squash

Both summer and winter squash varieties benefit from late spring planting. They require warm soil temperatures of at least 60°F to germinate, ideally around 70°F. Sow seeds directly into the garden in late May, spacing them according to their type—bush varieties need about 3 feet apart, while vining varieties typically need 4-6 feet.

Beans

Beans, including bush and pole types, are excellent late spring crops. They thrive in warm conditions, requiring temperatures between 60°F and 85°F. Planting can take place after the last frost date, usually in late May. Directly sow seeds into well-drained soil, with bush varieties spaced about 1 inch apart and pole varieties given ample room for climbing.

Corn

Corn is a staple of American gardens and loves the warmth of late spring. Seeds should be planted directly in the ground when soil temperatures reach about 60°F, usually at the end of May. Corn requires full sun and fertile soil, ideally spaced in rows about 30 inches apart for optimal pollination and ear development.

Eggplant

Eggplant thrives in warm conditions, preferring temperatures of 70°F to 85°F. Start seeds indoors 8-10 weeks before the last frost or buy transplants. Plant them in the garden after frost danger passes, typically around late May. Space them about 18-24 inches apart in nutrient-rich, well-drained soil.

Radishes

Radishes are fast-growing biennials that can be sown in late spring for an early summer harvest. They tolerate cool temperatures but do best when sown in warmer weather, around 60°F to 75°F, and can be directly sown in the garden in mid-May. Space seeds about 1 inch apart and thin them to 3-4 inches once they germinate to allow room for growth.

Carrots

Carrots are another great option for late spring planting. They prefer cooler weather and can be sown directly into the ground when the soil temperature reaches about 50°F. Late spring is generally favorable, and they can be spaced approximately 2-4 inches apart. With direct sunlight and fertile soil, you can expect a harvest in late summer or early fall.

Zucchini

Zucchini is a prolific summer squash and thrives in warm conditions, preferring temperatures of 75°F to 90°F. Plant seeds directly in the soil in late May, spaced about 3 feet apart. Zucchini grows quickly, so ensure there is enough space for the plant to spread and receive adequate sunlight.

Flowers To Plant

Late spring is an exciting time to cultivate a range of flowers that will bloom profusely through summer. Selecting the right varieties can enhance your garden’s aesthetic appeal and foster a vibrant environment.

Sunflowers

Sunflowers are iconic summer flowers, celebrated for their bright faces. They thrive in warmer temperatures (60°F to 95°F) and should be sown directly into the soil in late spring, once the threat of frost has passed. Plant seeds 1-2 inches deep, spacing them about 12-18 inches apart. These cheerful blooms love full sun and will attract pollinators.

Zinnias

Zinnias are colorful, hardy annuals that bloom throughout summer. They enjoy warm temperatures, with optimal conditions between 70°F and 95°F. Seeds can be sown directly into the garden after the last frost, usually in late May. Plant them 12 inches apart in well-draining soil, and they’ll thrive with regular deadheading.

Marigolds

Marigolds are resilient and vibrant flowers that can thrive in various conditions. They prefer warm weather, ideally between 70°F and 90°F. Sow seeds directly in the garden after the last frost in late spring, spacing them about 10-12 inches apart. They not only add a splash of color but also act as natural pest repellents.

Petunias

Petunias are favorites among gardeners for their stunning blooms and fragrance. They thrive in conditions ranging from 60°F to 85°F. You can plant them in late spring after the danger of frost has passed. Petunia seedlings should be planted approximately 12-18 inches apart in rich, well-draining soil.

Cosmos

Cosmos are known for their delicate and airy blooms, bringing a wildflower charm to any garden. They can be sown directly in the ground in late spring, ideally when temperatures are between 60°F and 80°F. Space seeds about 12 inches apart. Cosmos prefer poor to moderate soil conditions, making them low-maintenance blooms.

Snapdragons

Snapdragons add vertical interest and a range of colors to gardens. They tolerate cooler temperatures but thrive best in temperatures between 60°F and 75°F. Seedlings can be transplanted in late spring once the chance of frost has passed, spacing them about 8-12 inches apart in well-draining soil.

Petunias

Petunias are another garden staple, best known for their vibrant colors and variety. They flourish when planted after the last frost, ideally in temperatures around 70°F to 90°F. They should be spaced about 12-18 inches apart to allow for growth and airflow. Petunias enjoy sunny spots with well-draining soil.

Nigella (Love-in-a-mist)

Nigella adds intrigue and beauty with its lace-like foliage and unique blooms. Ideal planting time is late spring as the soil warms and frost risk has diminished. Seeds can be sown directly into the garden in soil temperatures of around 60°F to 75°F, spaced about 6-12 inches apart.

Lobelia

Lobelia is cherished for its cascading habit and stunning blue blooms. It thrives in cooler conditions but can handle late spring warmth, ideally planted when the soil temperature reaches about 55°F. Plant them about 8-12 inches apart after the frost has passed, in well-draining, moisture-retentive soil.

Dianthus

Dianthus, or sweet William, showcases beautiful flowers with a spicy scent. They thrive in well-drained soil and can be planted in late spring in temperatures of 60°F to 70°F. Space them around 12 inches apart to allow airflow and exposure to sunlight. Consistent deadheading will promote prolonged blooming.

Herbs To Plant

Herbs are not only delicious but also enhance the beauty of any garden bed. Late spring is an excellent time to sow these aromatic plants that thrive in warmer temperatures.

Basil

Basil is a favorite culinary herb that flourishes in warm weather, preferring temperatures between 70°F and 90°F. It should be planted after all frost danger has passed, typically in late spring. Space seeds or seedlings about 12-18 inches apart in rich, well-draining soil for optimal growth.

Thyme

Thyme is a hardy perennial herb known for its resilience. It prefers moderately warm temperatures, ideally between 60°F and 75°F. Thyme can be directly sown in the garden or started indoors and transplanted in late spring. Maintain spacing around 12-18 inches and ensure excellent drainage for healthy growth.

Oregano

Oregano is a robust culinary herb that thrives in sunny spots and well-drained soil, preferring temperatures of 60°F to 80°F. You can sow seeds directly into the garden in late spring. Space seedlings about 12 inches apart to accommodate the plant’s sprawling nature.

Chives

Chives are a perennial herb prized for their delicate flavor and beautiful purple flowers. They thrive in temperatures ranging from 60°F to 75°F. Chives can be planted in late spring after the threat of frost has passed, spaced about 8-12 inches apart in well-drained soil.

Dill

Dill is an annual herb that grows beautifully in warm weather conditions, ideally between 70°F and 80°F. It’s best planted directly in the garden in late spring. Space seeds about 12 inches apart, as they can grow quite tall. Dill also attracts beneficial insects to your garden.

Cilantro (Coriander)

Cilantro is a fast-growing herb typically thriving in cool to warm temperatures, ranging from 60°F to 75°F. It can be directly sown in the garden in late spring, spaced about 6 inches apart. Be cautious about its bolting; harvest early for the best flavor.

Parsley

Parsley is a biennial herb providing culinary splendor. It prefers warmer soil temperatures, around 70°F to 75°F. Sow seeds directly outdoors in late spring, spacing 8-12 inches apart. Keeping the soil consistently moist is essential for germination and growth.

Sage

Sage is a perennial herb known for its distinctive leaves and flavors. It thrives in warm conditions, preferably between 70°F and 85°F. You can plant sage seeds or transplants in late spring, spacing them about 12-24 inches apart to allow ample sun exposure.

Mint

Mint is a vigorous perennial that grows well in moderate temperatures from 60°F to 80°F. It is best planted in late spring, but given its invasive nature, it may be wise to use containers. Space plants about 12 inches apart for optimal growth and harvesting.

Fennel

Fennel is both an herb and a vegetable, thriving in warm conditions, ideally between 70°F and 85°F. Seeds should be sown directly into the garden in late spring, spaced around 12-18 inches apart. Fennel may attract beneficial insects, improving your garden’s ecosystem.

Landscape Plants To Plant

In late spring, landscape plants bring both beauty and functionality to your garden. Selecting the right varieties can enhance your outdoor space for years to come.

Hydrangeas

Hydrangeas are beloved for their large, fluffy blooms. They thrive in warm climates, ideally planted in late spring after the danger of frost has passed. Different varieties prefer different levels of sun; typically, they require partial to full sun, spaced 3 to 10 feet apart depending on the variety to provide ample air circulation.

Daylilies

Daylilies are perennial favorites known for their vibrant and varied blooms. They thrive in a range of temperatures, ideally between 60°F and 85°F, and can be planted in late spring. Typically, space daylilies about 18-24 inches apart, allowing them to spread and multiply in your garden.

Lavender

Lavender is a timeless addition to any landscape garden, known for its aromatic fragrance and beautiful purple blooms. It flourishes in warm, sunny environments, ideally when temperatures exceed 70°F. Plant lavender in well-draining soil and space plants about 12-18 inches apart for air circulation and maximum sunlight exposure.

Ornamental Grasses

Ornamental grasses, like Miscanthus or Pampas, add movement and texture to your landscape. They do best in full sun and well-drained soil, thriving in warmer temperatures (60°F to 80°F). Late spring is an excellent time to plant them, spacing large varieties 2-3 feet apart for optimal growth.

Coneflowers

Coneflowers, or Echinacea, are hardy perennials recognized for their resilience and vibrant colors. They can be planted in late spring, thriving in full sun and well-drained soils in temperatures around 70°F to 85°F. Space these plants about 12-18 inches apart for healthy growth.

Sedum

Sedums are succulent plants ideal for rock gardens and borders. They thrive in dry conditions, preferring soil that drains well in warm temperatures (60°F to 80°F). Plant them in late spring with spacing of about 12-18 inches. Their resilience makes them an excellent choice for low-maintenance landscapes.

Black-eyed Susans

Black-eyed Susans are cheerful perennial flowers that thrive in full sun and well-drained soil, typically doing well in temperatures ranging from 60°F to 85°F. They can be planted in late spring, spaced about 12-18 inches apart. Their hardiness and ability to attract pollinators make them a lovely addition to any garden.

Forsythia

Forsythia is one of the first shrubs to bloom, bringing a burst of yellow in spring. It thrives in various soil types and does best in full to partial sun. Late spring is the perfect time to plant Forsythia in temperatures around 70°F. Space these plants about 3-4 feet apart to allow for their mature size.

Rhododendrons

Rhododendrons are majestic shrubs that offer beautiful blooms and lush foliage. They prefer partial to full shade and thrive in cooler conditions (60°F to 75°F). Plant rhododendrons in well-draining, acidic soil, spacing them about 3-4 feet apart. Late spring is when they flourish best when planted or transplanted.

Japanese Maple

Japanese maples are stunning ornamental trees that offer breathtaking foliage colors. They thrive in cooler conditions during late spring, preferring partial shade. Plant trees in well-draining soil, with spacing according to eventual size—generally 10-15 feet apart to allow for full canopy development.