Rocktrumpet
Mandevilla splendens
A tropical perennial vine featuring glossy, dark green leaves and vibrant, funnel-shaped flowers in shades of red, pink, or white.
- Light
- Full sun to partial shade, requiring at least 6 hours of bright sunlight daily for optimal flowering.
- Water
- Water thoroughly when the top 1-2 inches of soil feel dry. Allow soil to dry slightly between waterings; avoid prolonged drought or waterlogged conditions.
- Growth
- A twining evergreen vine or subshrub, reaching mature heights of 6 to 10 feet with a moderate growth rate.
Care instructions
Provide bright indirect to direct sunlight, water moderately when the top inch of soil is dry, use well-draining potting mix, and feed with a balanced, water-soluble fertilizer during the active growing season.
Growing details
Sunlight
Full sun to partial shade, requiring at least 6 hours of bright sunlight daily for optimal flowering.
Watering
Water thoroughly when the top 1-2 inches of soil feel dry. Allow soil to dry slightly between waterings; avoid prolonged drought or waterlogged conditions.
Soil
Rich, well-draining loamy or sandy soil with a slightly acidic to neutral pH range of 6.0 to 7.0.
Hardiness zone
USDA Hardiness Zones 9 through 11, typically grown as an annual or container plant in cooler climates.
Growth habit
A twining evergreen vine or subshrub, reaching mature heights of 6 to 10 feet with a moderate growth rate.
Bloom season
Blooms continuously from late spring through autumn, producing large, trumpet-shaped flowers in vibrant red, pink, or white.
Propagation
Propagated primarily through stem cuttings taken in spring or early summer, treated with rooting hormone and placed in a warm, humid environment.
Common pests & issues
Susceptible to aphids, mealybugs, and spider mites. Over-watering can lead to root rot. Treat pests with insecticidal soap and ensure proper drainage.
Similar species
Dipladenia, which has a more shrubby, upright growth habit compared to the twining vine structure of Mandevilla.