7 Clematis Varieties That Bloom All Summer (Plus Blooming Tips)

Welcome to the wonderful world of clematis! You’re about to discover a group of beautiful, versatile, and long-blooming plants that are perfect for adding color and interest to your garden all summer long.

Clematis consists of more than 250 species of flowering plants, and they come in a variety of colors, shapes, and sizes.

Luckily for you, several varieties of clematis are known to bloom tirelessly throughout the summer months.

In this article, you’ll learn about some of the best types to choose for your garden to keep it lush and vibrant from early summer to late fall.

So, let’s dive in and explore these captivating, summer-blooming clematis varieties that are perfect for transforming your outdoor space into a visual masterpiece.

Understanding Clematis Bloom Times

Clematis are popular climbing plants that can add beautiful blooms to your landscape all summer long. To achieve this, it’s essential to understand their bloom times. In this section, we’ll cover the three main groups of clematis based on their flowering times: Group 1: Early-Flowering, Group 2: Midseason-Flowering, and Group 3: Late-Flowering.


Group 1: Early-Flowering

These clematis varieties typically bloom in late spring to early summer. They produce flowers on the previous year’s growth, so be cautious when pruning. Only remove dead or damaged stems after the blooming period to avoid accidentally cutting off future blooms. Some examples of early-flowering clematis include:

  • Clematis alpina
  • Clematis macropetala
  • Clematis montana

Group 2: Midseason-Flowering

Midseason-flowering clematis varieties usually bloom in late spring to early summer, and then again in late summer on new growth. Prune these plants lightly in late winter or early spring, cutting back to a strong pair of buds. Some popular midseason-flowering clematis are:

  • Clematis ‘Nelly Moser’
  • Clematis ‘Henryi’
  • Clematis ‘Bees’ Jubilee’

Group 3: Late-Flowering

Finally, late-flowering clematis begin blooming in mid-to-late summer, with some varieties producing blooms well into fall. These plants mainly produce flowers on the current year’s growth. It’s best to prune them in late winter or early spring, cutting back to about 12-18 inches above the ground. Here are a few examples of late-flowering clematis:

  • Clematis ‘Jackmanii’
  • Clematis ‘Duchess of Albany’
  • Clematis ‘Ville de Lyon’

By understanding the bloom times and proper care for each group of clematis, you can create a stunning display of colorful blooms in your garden throughout the summer season.

7 Clematis Varieties That Bloom All Summer

Clematis are a popular choice for your garden due to their beautiful flowers and vigorous growth.

Many varieties bloom throughout the summer, providing a colorful display.

Here are some of the clematis varieties that can brighten up your garden all summer long with their lovely blossoms.

1. Clematis ‘Niobe’

Clematis ‘Niobe’ offers you large, velvety, deep red flowers that are 4-6 inches in diameter. This variety blooms from June to September, and it is suitable for planting in your garden borders, trellises, and arbors.

2. Clematis ‘Jackmanii’

Known for its rich, purple blooms, Clematis ‘Jackmanii’ is a classic cultivar that flowers from June to September. It is ideal for you to grow along fences, arbors and trellises, and provides reliable, eye-catching summer color.

3. Clematis ‘Comtesse de Bouchaud’

The ‘Comtesse de Bouchaud’ variety adds a touch of elegance to your garden with its soft pink flowers and contrasting dark center. Blooming from July to September, this cultivar is an excellent choice for your trellises and pergolas.

4. Clematis ‘Ville de Lyon’

Clematis ‘Ville de Lyon’ presents you with stunning, deep pink flowers that have a contrasting dark center. This cultivar blooms from July to September and looks superb when planted on trellises, walls, and fences.

5. Clematis ‘Ramona’

This vigorous variety offers you large, lavender-blue flowers that bloom from June to late summer. Clematis ‘Ramona’ is perfect for covering walls, trellises, or fences, and it attracts hummingbirds as an added bonus.

6. Clematis ‘Sweet Summer Love’

As the name suggests, ‘Sweet Summer Love’ is a delightful variety showcasing fragrant, purple flowers from July to September. This cultivar is an excellent choice for you to plant in mixed borders, along fences, or on a trellis.

7. Clematis ‘Etoile Violette’

Clematis ‘Etoile Violette’ offers an abundance of deep purple flowers that measure 3 to 4 inches in diameter. Blooming throughout the summer, this variety is great for you to grow along trellises, fences, and pergolas to add a splash of color.

Growing Conditions for Long-Blooming Clematis

Sunlight Requirements

Long-blooming Clematis varieties thrive when they receive at least 6 hours of sunlight per day. Ensure that you plant your Clematis in a location where it has access to full sunlight or partial shade. If you have limited sun exposure, choose varieties that can tolerate more shade, such as the Clematis ‘Jackmanii’ or ‘Polish Spirit’.

Soil Conditions

Clematis prefers well-draining, fertile soil with a pH level between 6.0 to 7.0. To improve drainage, you can add organic matter like compost or well-rotted manure. Moreover, the plant’s roots should remain cool and moist. To achieve this, you can:

  • Mulch the base of the plant with compost or bark chips
  • Grow low-growing plants nearby to provide shade for the roots


It’s essential to water your Clematis regularly, especially during the growing season. Provide about an inch of water per week, and always water deeply, ensuring that the moisture reaches the root system. Adjust your watering schedule during hotter or drier periods.

Clematis Nelly Moser


Feed your Clematis with balanced, slow-release fertilizer in early spring and again in midsummer. Apply a 10-10-10 (nitrogen-phosphorus-potassium) fertilizer or use organic options like compost or well-rotted manure. During the growing season, provide additional liquid fertilizers to encourage lush foliage and abundant blooms.

By following these tips, you can ensure the optimal growing conditions for your long-blooming Clematis varieties, giving you a vibrant and colorful garden throughout the summer season.

Pruning Tips for Continuous Blooming

To ensure your clematis varieties bloom all summer, it’s important to follow a few simple pruning tips. By doing so, you’ll enjoy a beautiful display of flowers throughout the season.

Firstly, always remember to use clean, sharp pruning tools. This ensures precise cuts and helps prevent the spread of diseases among plants. Before pruning, take the time to sterilize your tools with a solution of bleach and water.

When it comes to pruning, timing is essential. For clematis varieties that bloom all summer, the ideal time to start pruning is in late winter or early spring. This is when your clematis is still dormant, and you can easily identify any damaged or dead stems.

Begin by removing any dead or damaged stems, cutting them back to a healthy pair of buds. This step is essential for maintaining the overall health and appearance of your clematis.

Next, focus on thinning out your clematis to promote air circulation and prevent overcrowding. Carefully examine your plant and remove any crossing or rubbing stems. By creating space between the stems, you’ll reduce the risk of pests and diseases, ensuring continuous blooming.

Lastly, pay attention to the specific pruning needs of your clematis variety. Some varieties require only light pruning, while others benefit from more severe pruning. Research your clematis variety to determine the ideal level of pruning for the best results.

Remember to be gentle when handling your clematis during the pruning process. The vines can be quite delicate, and rough handling can cause accidental damage.

With these pruning tips in mind, you can look forward to your clematis varieties blooming all summer long. Happy gardening!