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20 Flowers to Plant in July for a Stunning Summer Garden

As summer heats up, many gardeners wonder which flowers to plant in July to keep their gardens vibrant and colorful. While spring is often considered the prime planting season, July offers excellent opportunities to add new blooms to your landscape. Whether you’re looking to fill gaps in your beds or start a new garden area, there are numerous flowers to plant in July that will thrive in the warm weather and provide beauty well into fall. Let’s explore some of the best options for mid-summer planting and how to ensure your new additions flourish.

Flowers to Plant in July for Continuous Color

flowers to plant in july for a stunning summer garden

Ready to transform your garden into a late-summer wonderland? Look no further! We’ve curated a vibrant list of 20 show-stopping flowers to plant in July to keep your beds blooming well into autumn. These blooming beauties are perfect for mid-season planting, from sun-loving annuals to hardy perennials. Whether you’re a seasoned gardener or just getting your hands dirty, our mix of easy-to-grow favorites and stunning statement flowers will help you create a garden that’s the envy of the neighborhood. Get ready to dig in and discover the perfect flowers to plant in July for a dazzling display that lasts!

Astilbe

astilbe flowers are great to plant in July

Astilbe is a shade-loving perennial with plume-like flowers in shades of pink, white, and red. It thrives in moist, well-drained soil.

  • Type: Perennial
  • How and Where to Start: Plant outdoors as seeds or seedlings; transplanting is successful.
  • Soil Temperature: 65-75°F (18-24°C)
  • Preferred Location: Semi-shaded; in-ground
  • Light: 3-6 hours of daily sunlight
  • Suggested Hardiness Zones: 3-8

Bee Balm

bee balm flowers are great to plant in July

Bee Balm is a fragrant perennial with vibrant flowers to plant in July that attract bees and hummingbirds, ideal for gardens. Here is where I recommend buying Bee Balm.

  • Type: Perennial
  • How and Where to Start: Start seeds indoors and transplant seedlings outdoors.
  • Soil Temperature: 60-70°F (16-21°C)
  • Preferred Location: Sunny; in-ground or large containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 4-9

Blanket Flower

blanket flowers are great to plant in July

Blanket Flower is a drought-tolerant perennial with bright red and yellow daisy-like flowers that add color to any garden.

  • Type: Perennial
  • How and Where to Start: Directly sow seeds outdoors or transplant seedlings.
  • Soil Temperature: 70-75°F (21-24°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 3-10

Blazing Star

blazing star flowers are great to plant in July

Blazing Star is a perennial with tall spikes of purple or white flowers that you can plant in July. It attracts butterflies and adds vertical interest to gardens.

  • Type: Perennial
  • How and Where to Start: Directly sow seeds outdoors or transplant seedlings.
  • Soil Temperature: 60-70°F (16-21°C)
  • Preferred Location: Sunny; in-ground
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 3-9

Catmint

catmint flowers are great to plant in July

Catmint is a hardy perennial with aromatic foliage and lavender-blue flowers, excellent for edging and attracting pollinators.

  • Type: Perennial
  • How and Where to Start: Sow seeds directly outdoors or transplant seedlings.
  • Soil Temperature: 65-70°F (18-21°C)
  • Preferred Location: Sunny to semi-shaded; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 3-8

Cosmos

cosmos flowers are great to plant in July

Cosmos is an annual with delicate foliage and vibrant flowers in shades of pink, white, and orange, making it one of the perfect flowers to plant in July for summer gardens. Here is where I recommend buying Cosmos seeds.

  • Type: Annual
  • How and Where to Start: Directly sow seeds outdoors; transplanting is not recommended.
  • Soil Temperature: 70-85°F (21-29°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: Not applicable, grown as an annual.

Foamflower

consider planting foamflower in July

Foamflower is a shade-loving perennial with airy white or pink flowers and attractive foliage, ideal for woodland gardens.

  • Type: Perennial
  • How and Where to Start: Plant outdoors as seeds or seedlings; transplanting is successful.
  • Soil Temperature: 60-70°F (16-21°C)
  • Preferred Location: Shaded; in-ground
  • Light: 3-4 hours of daily sunlight
  • Suggested Hardiness Zones: 3-8

Garden Phlox

consider planting garden phlox flowers in July

Garden Phlox is a tall, fragrant perennial with clusters of colorful flowers that attract butterflies and add summer beauty to gardens, a great choice for flowers to plant in July. Here is where I recommend buying Garden Phlox.

  • Type: Perennial
  • How and Where to Start: Start seeds indoors and transplant seedlings outdoors.
  • Soil Temperature: 65-70°F (18-21°C)
  • Preferred Location: Sunny; in-ground
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 4-8

Hardy Geranium

consider planting hardy geranium flowers in July

Hardy Geranium, or Cranesbill, is a versatile perennial with attractive foliage and flowers in shades of pink, purple, and blue.

  • Type: Perennial
  • How and Where to Start: Start seeds indoors and transplant seedlings outdoors.
  • Soil Temperature: 65-70°F (18-21°C)
  • Preferred Location: Sunny to semi-shaded; in-ground or containers
  • Light: 4-6 hours of daily sunlight
  • Suggested Hardiness Zones: 4-9

Hollyhocks

consider planting hollyhocks flowers in July

Hollyhocks are tall biennial or short-lived perennials with large, showy flowers in various colors, making them excellent choices for flowers to plant in July, adding vertical interest to gardens.

  • Type: Perennial/Biennial
  • How and Where to Start: Directly sow seeds outdoors; transplanting is successful.
  • Soil Temperature: 65-75°F (18-24°C)
  • Preferred Location: Sunny; in-ground
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 3-9

Lamb’s Ear

consider planting lambs ear flowers in July

Lamb’s Ear is a perennial known for its soft, silvery foliage and small purple flowers, excellent as ground cover.

  • Type: Perennial
  • How and Where to Start: Directly sow seeds outdoors or transplant seedlings.
  • Soil Temperature: 65-70°F (18-21°C)
  • Preferred Location: Sunny to semi-shaded; in-ground
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 4-8

Lantana

lantana flowers are great to plant in July

Lantana is a heat-tolerant perennial with clusters of brightly colored flowers, suitable for planting as flowers to plant in July. It’s often grown as an annual in cooler climates.

  • Type: Perennial
  • How and Where to Start: Start seeds indoors and transplant seedlings outdoors.
  • Soil Temperature: 70-75°F (21-24°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 8-11

Recommended reading: How to Propagate Lantana

Marigold

marigold flowers are great to plant in July

Marigold is a popular annual with bright, cheerful flowers in shades of yellow, orange, and red, perfect for borders and containers.

  • Type: Annual
  • How and Where to Start: Directly sow seeds outdoors or start indoors and transplant seedlings.
  • Soil Temperature: 70-75°F (21-24°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: Not applicable, grown as an annual.

Recommended reading: How to Grow Marigolds: Tips for Growing Marigolds from Seed

Moss Rose

moss rose flowers are great to plant in July

Moss Rose, or Portulaca, is a low-growing annual with succulent foliage and vibrant, rose-like flowers, making it ideal for dry areas and rock gardens as flowers to plant in July. Here is where I recommend buying Moss Rose seeds.

  • Type: Annual
  • How and Where to Start: Directly sow seeds outdoors; transplanting is not recommended.
  • Soil Temperature: 70-85°F (21-29°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: Not applicable, grown as an annual.

Pachysandra

pachysandra flowers are great to plant in July

Pachysandra is a shade-loving, evergreen perennial ground cover with small white flowers and glossy green foliage.

  • Type: Perennial
  • How and Where to Start: Plant outdoors as seedlings; transplanting is successful.
  • Soil Temperature: 55-65°F (13-18°C)
  • Preferred Location: Shaded; in-ground
  • Light: 2-4 hours of daily sunlight
  • Suggested Hardiness Zones: 4-8

Pentas

pentas flowers are great to plant in July

Pentas is a heat-tolerant perennial with star-shaped flowers in shades of pink, red, and white, often grown as an annual in cooler climates.

  • Type: Perennial
  • How and Where to Start: Start seeds indoors and transplant seedlings outdoors.
  • Soil Temperature: 70-80°F (21-27°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 9-11

Perennial Sunflower

consider planting perennial sunflower in July

Perennial Sunflower is a hardy perennial with bright yellow flowers that add late-summer color to gardens, making it a wonderful choice for flowers to plant in July. Here is where I recommend buying perennial Sunflower seeds.

  • Type: Perennial
  • How and Where to Start: Directly sow seeds outdoors or transplant seedlings.
  • Soil Temperature: 65-75°F (18-24°C)
  • Preferred Location: Sunny; in-ground
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 4-9

Russian Sage

consider planting russian sage flowers in July

Russian Sage is a drought-tolerant perennial with silvery foliage and tall spikes of lavender-blue flowers, perfect for sunny borders.

  • Type: Perennial
  • How and Where to Start: Directly sow seeds outdoors or transplant seedlings.
  • Soil Temperature: 65-75°F (18-24°C)
  • Preferred Location: Sunny; in-ground
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 4-9

Recommended reading: How to Care for Russian Sage

Yarrow

consider planting yarrow flowers in July

Yarrow is a hardy perennial with clusters of small, colorful flowers and feathery foliage, known for its medicinal properties.

  • Type: Perennial
  • How and Where to Start: Directly sow seeds outdoors or transplant seedlings.
  • Soil Temperature: 65-75°F (18-24°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: 3-9

Zinnia

consider planting zinnia flowers in July

Zinnia is an easy-to-grow annual with vibrant, daisy-like flowers in a range of colors, making it ideal for cutting gardens and borders as flowers to plant in July.

  • Type: Annual
  • How and Where to Start: Directly sow seeds outdoors; transplanting is successful.
  • Soil Temperature: 70-75°F (21-24°C)
  • Preferred Location: Sunny; in-ground or containers
  • Light: 6-8 hours of daily sunlight
  • Suggested Hardiness Zones: Not applicable, grown as an annual.

Recommended reading: How to Plant Zinnias from Seeds

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20 flowers to plant in july annuals and perennials

About Julia Morgan

Julia Morgan is an agronomist and a master gardener. In her previous roles, Julia was an advisor promoting large-scale food growing in urbanized areas, introducing the concept of chemical-free produce. She is an expert in putting her hands in the soil, developing organic foods, and improving production processes for decades. Julia is a natural teacher and encourages every person in her way to grow their own food. She split her days between writing and reviewing for The Garden Style Website and offering assessments to cure edible land. Julia enjoys connecting with The Garden Style Community.

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