Updated: July 20, 2025

Trellis gardening is an excellent way to maximize space, add vertical interest to your garden, and create stunning natural screens or privacy walls. Fast-growing climbers are particularly prized in trellis gardening because they quickly cover structures, provide lush greenery, and often produce beautiful flowers or fruits. Whether you’re a seasoned gardener or a beginner looking to add some vertical flair to your outdoor space, choosing the right climbers can make all the difference.

In this article, we will explore some of the best fast-growing climbers for trellis gardening, highlighting their growth habits, care requirements, and unique attributes that make them ideal for various garden settings.

Why Choose Fast-Growing Climbers?

Fast-growing climbers provide numerous advantages:

  • Quick coverage: They reduce the waiting time before your trellis looks full and vibrant.
  • Privacy: Rapid growth offers swift screening from neighbors or unsightly views.
  • Aesthetic appeal: Many produce abundant blooms or fragrant foliage within a single growing season.
  • Versatility: Suitable for small gardens, balconies, patios, and large landscapes.

However, fast growth also means vigorous maintenance in some cases. Pruning and training may be necessary to keep the climber under control and ensure it doesn’t overwhelm other plants or your trellis structure.

Factors to Consider When Choosing Climbers

Before selecting a climber, consider:

  • Climate: Ensure the plant is suitable for your USDA hardiness zone or local climate.
  • Sunlight: Some climbers thrive in full sun while others prefer partial shade.
  • Purpose: Whether you want flowers, fruit, foliage, fragrance, or privacy.
  • Maintenance: Consider how much pruning and care you can commit to.
  • Support structure: Some climbers cling naturally; others require tying or additional guides.

With these in mind, let’s dive into some of the best options available.


1. Clematis

One of the most popular flowering climbers worldwide, Clematis offers a vast array of cultivars with different flower shapes, colors, and blooming times. Many Clematis varieties grow rapidly and can cover large trellises within one or two seasons.

  • Growth rate: Fast; up to 10-15 feet in height.
  • Light requirement: Full sun to partial shade (most prefer their roots shaded).
  • Benefits: Stunning flowers ranging from white and pink to purple and blue; some varieties have strong fragrance.
  • Care tips: Provide well-drained soil enriched with organic matter; mulch roots to keep cool; prune according to group (there are three main pruning groups).

Popular Clematis Varieties for Trellises

  • Clematis montana: Vigorous grower with masses of pink or white flowers in spring.
  • Clematis ‘Nelly Moser’: Pale pink flowers with darker stripes that bloom multiple times a year.

2. Sweet Pea (Lathyrus odoratus)

Sweet peas are classic annual climbers loved for their delightful fragrance and beautiful blooms. They grow quickly during spring and early summer.

  • Growth rate: Very fast; can reach 6-8 feet in a season.
  • Light requirement: Full sun.
  • Benefits: Fragrant flowers in a wide range of bright colors; ideal for seasonal coverage.
  • Care tips: Plant in rich soil with good drainage; regular watering encourages continuous flowering; cut back after flowering to prolong bloom period.

Sweet peas are perfect if you want quick floral impact on a trellis during spring and early summer but remember they typically die back after flowering since they are annuals.


3. Honeysuckle (Lonicera spp.)

Honeysuckles are versatile woody climbers prized for their sweetly scented tubular flowers that attract hummingbirds and pollinators.

  • Growth rate: Fast; can grow 10-15 feet or more annually.
  • Light requirement: Full sun to partial shade.
  • Benefits: Fragrant flowers in shades of white, yellow, pink, and red; dense foliage that provides excellent screening.
  • Care tips: Tolerates various soil types; prune after flowering to maintain shape; watch for aphids and powdery mildew.

Some popular species include Lonicera periclymenum (European honeysuckle) and Lonicera japonica (Japanese honeysuckle), which is very fast-growing but can be invasive in some regions , check local guidelines before planting.


4. Morning Glory (Ipomoea tricolor)

Morning glory is an annual vine known for its rapid growth rate and vibrant trumpet-shaped flowers that open every morning.

  • Growth rate: Extremely fast; can grow up to 10 feet or more in one season.
  • Light requirement: Full sun.
  • Benefits: Bright blue, purple, pink, or white flowers that bloom profusely; easy to grow from seed.
  • Care tips: Requires well-drained soil and regular watering; tie vines as they climb since they twine around supports; deadhead spent flowers to boost blooming.

Morning glories are ideal for quick seasonal displays on fences and trellises but will die back each winter.


5. Bougainvillea

For gardeners in warmer climates looking for a showy evergreen climber that grows fast and produces spectacular color bursts, Bougainvillea is a top choice.

  • Growth rate: Very fast under optimal conditions; up to 20 feet in one growing season.
  • Light requirement: Full sun.
  • Benefits: Brightly colored bracts in shades of magenta, red, orange, white, or purple; drought tolerant once established.
  • Care tips: Prefers well-drained soil; avoid overwatering to prevent root rot; prune after flowering to keep neat shape.

Bougainvillea’s thorny stems also make it good for security hedges combined with trellises.


6. Black-eyed Susan Vine (Thunbergia alata)

This charming annual vine has distinctive orange-yellow flowers with dark centers resembling “black eyes.” It grows quickly throughout summer months.

  • Growth rate: Rapid; up to 6-10 feet tall during growing season.
  • Light requirement: Full sun to part shade.
  • Benefits: Attractive flowers planted as annuals for quick coverage; great for pots as well as garden beds.
  • Care tips: Provide moist but well-drained soil; support needed as vine twines around structures; pinch growing tips for bushier growth.

Perfect for adding cheerful color on temporary trellises during warm months.


7. Passionflower (Passiflora spp.)

Passionflower is an exotic-looking climber noted for its intricate blooms and edible fruits on certain species like Passiflora edulis.

  • Growth rate: Fast-growing vine reaching 10-20 feet annually.
  • Light requirement: Full sun to partial shade.
  • Benefits: Unique floral display often attracting butterflies and bees; some varieties produce passionfruit.
  • Care tips: Prefers rich soil with good drainage; requires regular watering during dry spells; prune after flowering to control size.

Passionflower thrives in frost-free zones but can be grown as an annual elsewhere or brought indoors during winter.


8. Climbing Roses

While roses generally take longer than most vines to mature fully, many climbing rose varieties are relatively fast-growers that eventually cover large trellises with fragrant blooms.

  • Growth rate: Moderate to fast depending on variety; many reach 10-15 feet over several seasons.
  • Light requirement: Full sun (at least six hours per day).
  • Benefits: Classic garden beauty with abundant fragrant flowers throughout summer.
  • Care tips: Require fertile soil amended with compost; regular watering during dry spells; annual pruning encourages new shoots and abundant blooms.

Popular varieties include Climbing Iceberg, New Dawn, and Don Juan, which combine vigor with disease resistance.


Maintenance Tips for Fast-Growing Climbers on Trellises

Fast growers can become unruly if not managed properly. Here are some general tips:

  1. Regular pruning: Removes dead wood and controls size while encouraging denser growth and more flowers or fruit.
  2. Training: Tie new shoots gently with soft ties so they follow the trellis framework without damage.
  3. Fertilization: Feed climbers during the growing season with balanced fertilizers or organic compost to support vigorous growth.
  4. Watering: Keep soil consistently moist but avoid waterlogging especially during peak growth phases.
  5. Pest management: Check regularly for pests like aphids, spider mites, or fungal issues common on dense foliage.

Conclusion

Fast-growing climbers transform plain trellises into flourishing vertical gardens quickly , whether you desire fragrant blossoms like honeysuckle and clematis or bold splashes of color from morning glories and bougainvillea. Selecting plants suited to your climate and sunlight conditions ensures success while proper maintenance keeps them healthy and attractive year after year.

By considering your garden’s needs along with plant characteristics outlined above, you can create lush green walls covered by beautiful mightily climbing plants , elevating both your gardening experience and outdoor living spaces dramatically. Happy gardening!