Rita's Garden Path

Trumpetcreeper (Campsis radicans f. flava)

Campsis radicans f. flava, the yellow-flowered form of Trumpetcreeper, is a vigorous vine known for attracting hummingbirds with its showy blooms.

Trumpetcreeper (Campsis radicans f. flava)

Complete Plant Information

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Hardiness Zones
USDA 4 - 9
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Plant Type
Vine
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Plant Family
Bignoniaceae
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Sun Exposure
Full sun to part shade
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Water Needs
Medium
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Maintenance
High
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Height
25' - 40' (762cm - 1219cm)
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Spread
5' - 10' (152cm - 305cm)
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Bloom Time
July to August
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Flower Color
Orange-yellow
Flower Qualities
Showy
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Tolerances
Deer, Drought, Clay Soil
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Garden Uses
Naturalize
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Native Range
Southeastern United States

Overview

The Campsis radicans f. Flava, often sought for its distinct coloration, is a rapid-growing woody vine recognized globally as Trumpetcreeper. This form is valued for transforming structures with masses of attractive orange-yellow, trumpet-shaped flowers that are magnets for hummingbirds during mid-summer. As a vigorous native of the Southeastern United States, it offers quick cover and dramatic vertical accentuation in the landscape.

However, its speed and strong clinging nature demand attention, classifying the plant type as high maintenance for containment purposes. While the foliage thrives in various conditions, adequate sun is crucial to ensure robust flowering from this spectacular vine. Gardeners must plan for its aggressive spread via suckers and self-seeding if introducing Campsis radicans f. Flava to the garden.

Fast Facts

  • Plant Family: Bignoniaceae
  • Plant Type: Vine
  • Native Range: Southeastern United States
  • Hardiness Zones: USDA Zones 4-9
  • Size at Maturity:
    • Height: 25-40 ft
    • Spread: 5-10 ft
  • Bloom Time: July to August
  • Bloom Description: Orange-yellow
  • Sun Exposure: Full sun to part shade
  • Water Needs: Medium
  • Maintenance Level: High

How to Grow

Establish this climbing vine in a location that receives full sun to light part shade. While Campsis radicans f. Flava adapts well to many soil types, it settles best into lean to average soils that maintain regular moisture, especially when establishing. Due to its immense mature weight, ensure the supporting structure—whether fence, arbor, or trellis—is extremely sturdy.

Water needs are medium; provide consistent moisture, particularly through hot, dry summers that this vine generally tolerates once established. Blooms appear on new growth, meaning that if pruning is necessary to manage size, heavy cuts made in early spring will encourage flowering, not hinder it.

Management of Trumpetcreeper focuses heavily on control. Because it suckers profusely from underground runners and readily self-seeds, continual monitoring and aggressive pruning are required to prevent it from choking out desirable neighboring plants or naturalizing too aggressively. Monitor growth closely due to its invasive potential.

Landscape Uses

The vigor of the Campsis radicans f. Flava makes it perfectly suited for large-scale, naturalized plantings where minimal containment is needed. It excels at providing instantaneous, dense cover for unsightly fences, robust arbors, and tall retaining walls. This vine can also be allowed to cascade as a groundcover to camouflage large rock piles or existing old stumps, softening harsh landscape features.

For those seeking to invite hummingbirds, this vine is unparalleled when placed near outdoor living spaces. Consider pairing it in sunny, hot, dry sites with other drought-tolerant, high-impact bloomers that can withstand competition, or use it as a dramatic backdrop against evergreen shrubs that offer contrast to the deciduous foliage.

Standout Features

Flower Qualities

  • Showy

Noteworthy Characteristics

Campsis radicans, commonly called trumpet vine or trumpet creeper, is a dense, vigorous, multi-stemmed, deciduous, woody, clinging vine that attaches itself to structures and climbs by aerial rootlets. It is native to the southeastern U. S. Including Missouri, but has naturalized in many northern states. The specific forma flava features attractive orange-yellow flowers, distinct from the more common deep red types. Leaves are compound, turning yellow in the fall before dropping.

Tolerances

  • Deer
  • Drought
  • Clay Soil

Potential Problems

This magnificent vine typically encounters no serious insect or disease problems, a testament to its robust native constitution. The primary challenge associated with growing Trumpetcreeper is strictly cultural: controlling its invasive tendencies. Aggressive suckering and prolific seed dispersal require dedicated vigilance, especially near natural areas or if you prefer a highly manicured garden space.

Management of spread is best achieved through diligent monitoring and removal of unwanted suckers as soon as they emerge from the soil. This plant should be used where its powerful growth habit can be appreciated without threatening sensitive nearby plantings.

Frequently Asked Questions

What hardiness zones is Trumpetcreeper suitable for?

Campsis radicans f. flava is hardy across a wide range, suitable for USDA Zones 4 through 9.

How large does Campsis radicans f. flava grow?

This vigorous vine can reach heights between 25 and 40 feet, with a spread typically ranging from 5 to 10 feet once fully established.

When does Campsis radicans f. Flava bloom?

The attractive orange-yellow flowers of this trumpet vine generally appear throughout the peak summer season, specifically from July into August.

What sun exposure does Campsis radicans f. Flava need?

For the best floral display, this vine requires full sun, though it will tolerate partial shade, which may result in reduced flowering performance.

Conclusion

The Campsis radicans f. flava provides unparalleled summer drama with its large, hummingbird-attracting, orange-yellow bloom clusters atop a vigorous clinging vine structure. While the maintenance level is high due to its invasive potential, the visual reward is substantial. Before planting this versatile Trumpetcreeper, confirm your USDA hardiness zone compatibility and establish a plan for managing its rapid growth.

Companion Planting

When integrating Campsis radicans f. Flava into a managed landscape, selecting companions that benefit from its height or can tolerate similar dry, sunny conditions is wise. Consider planting robust, deep-rooted perennial grasses along the base or nearby; these can help anchor the soil and stabilize the area where suckers might emerge. Fast-growing shrubs with finer textures can contrast nicely with the bold, compound foliage of the vine in adjacent borders.

Wildlife Benefits

Beyond its clear appeal to hummingbirds, the flower structure of the Campsis radicans, including the forma flava, ensures excellent accessibility for long-tongued pollinators. While the vines are deciduous, the structure they provide offers refuge and nesting support for various beneficial insects and birds throughout the slower growing seasons. Utilizing this plant where naturalization is desired maximizes its ecological contribution to the local habitat.

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