What Clematis Flowers the Longest
Clematis vines are admired for their spectacular blooms, but not all varieties have the same flowering duration. If you're looking for clematis plants that provide an extended show of color, it's essential to choose varieties known for their long blooming seasons. With proper care, these long-flowering clematis varieties can enhance your garden for months on end. Explore our Clematis Collection for options that deliver maximum floral impact.
What Contributes to Long Flowering in Clematis?
Several factors determine the flowering duration of clematis plants:
- Bloom Type: Varieties that bloom on both old and new wood tend to have longer flowering seasons.
- Care Practices: Consistent watering, fertilizing, and deadheading extend blooming.
- Climate: In mild climates, clematis may bloom for longer periods compared to regions with extreme weather.
- Variety: Some clematis are specifically bred for repeat or extended blooming.
Top Clematis Varieties with Long Flowering Periods
-
Clematis ‘Etoile Violette’
- Description: This vigorous clematis produces a profusion of deep purple flowers from early summer through early fall.
- Height: 10–12 feet.
- Best Use: Perfect for fences, walls, and pergolas.
-
Clematis ‘Nelly Moser’
- Description: Known for its striking pink blooms with dark pink stripes, this clematis flowers in late spring and repeats in late summer.
- Height: 8–12 feet.
- Best Use: Great for partially shaded areas or climbing trellises.
-
Clematis ‘The President’
- Description: This large-flowered clematis boasts deep purple-blue blooms from late spring to early fall.
- Height: 8–10 feet.
- Best Use: Ideal for containers or smaller trellises.
-
Clematis viticella Hybrids
- Description: These hybrids, such as Clematis ‘Polish Spirit,’ are known for their long flowering periods, lasting from mid-summer to early fall.
- Height: 10–15 feet.
- Best Use: Excellent for covering large structures or growing through trees.
-
Clematis montana ‘Rubens’
- Description: While its main bloom occurs in spring, this clematis often produces sporadic flowers throughout summer and into early fall.
- Height: 20–30 feet.
- Best Use: Perfect for large arbors or climbing walls.
How to Extend the Flowering Season
-
Prune Correctly
- Know your clematis pruning group to encourage new growth and maximize flowering.
- Group 1: Minimal pruning; blooms on old wood.
- Group 2: Light pruning in early spring and after the first bloom.
- Group 3: Hard pruning in late winter or early spring encourages new growth and blooms.
- Know your clematis pruning group to encourage new growth and maximize flowering.
-
Fertilize Regularly
- Feed clematis with a balanced fertilizer in early spring and mid-season. A phosphorus-rich fertilizer promotes abundant blooms.
-
Water Consistently
- Keep the soil evenly moist, especially during dry periods. Mulch around the base of the plant to retain moisture.
-
Deadhead Spent Flowers
- Removing dead or faded flowers encourages the plant to produce more blooms.
-
Provide Adequate Sunlight
- Most clematis varieties require at least 6–8 hours of direct sunlight daily for optimal flowering.
Benefits of Long-Flowering Clematis
- Extended Garden Appeal: These varieties keep your garden vibrant for longer periods.
- Versatility: Perfect for filling gaps in the garden or creating a focal point on trellises, fences, and pergolas.
- Pollinator-Friendly: Long-flowering clematis provides a consistent nectar source for bees and butterflies.
Discover clematis varieties that flower the longest in our Clematis Collection.
FAQ: What Clematis Flowers the Longest?
Q: Can I make my clematis bloom longer?
A: Yes, by pruning correctly, deadheading, and maintaining consistent watering and fertilizing, you can extend the flowering period.
Q: Do all long-flowering clematis need full sun?
A: While most prefer full sun, some varieties, like Clematis ‘Nelly Moser,’ can tolerate partial shade and still produce extended blooms.
Q: How often should I fertilize long-flowering clematis?
A: Apply a balanced fertilizer in early spring and mid-season to support healthy growth and prolonged blooming.
Q: Are there long-flowering clematis suitable for small gardens?
A: Yes, compact varieties like Clematis ‘The President’ are ideal for smaller spaces and containers.