Campsis flava — Yellow trumpet vine
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Campsis flava is a name associated with a yellow-flowered trumpet vine, a climbing ornamental plant in the trumpet-vine family (Bignoniaceae). It is valued for its bright, trumpet-shaped flowers and its ability to cover fences, trellises and walls.
Key facts
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Botanical name: Campsis radicans f. flava, also sold as Campsis radicans ‘Flava’. Campsis flava is a synonym.
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Flower colour: Deep yellow to golden yellow.
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Flowering season: Summer into early autumn, depending on climate.
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Mature size: Approximately 8–12 m tall under suitable conditions.
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Sunlight: Full sun for the best flowering.
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Growth habit: Vigorous, woody, deciduous climbing vine.
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Wildlife: Its tubular flowers attract hummingbirds and other pollinators.
Growing tips
Planting and care
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Choose a sunny, sheltered location.
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Use a strong trellis or other sturdy support.
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Plant in moist, well-drained soil.
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Prune in late winter or early spring to control growth and encourage flowering.
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Watch for spreading underground suckers; this vine can become invasive in a garden.
If you're growing it in Quebec: winter hardiness and the length of the growing season are important considerations. A sheltered, sunny spot can help, but local winter conditions may limit reliable flowering.
