How to Grow Mandevilla

Mandevilla

Mandevilla spp.

vine

Mandevilla is a stunning tropical climbing vine known for its large, showy trumpet-shaped flowers in shades of red, pink, or white. It thrives in warm conditions and can be grown as an ornamental houseplant or outdoor garden specimen in containers or trained on trellises. The glossy, deep green foliage provides an attractive backdrop to the prolific blooms.

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Red Riding Hood Alice du Pont Scarlett Pimpernel Pink Parfait White Cascade Sun Parasol

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates partial shade but blooms more prolifically in full sun

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Water: Keep soil consistently moist during growing season but not waterlogged; reduce watering in winter. Water at soil level to avoid wetting foliage. In hot climates, may need daily watering in summer.

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Spacing: 24 inches

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Days to maturity: 90-120 days to first significant blooms

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Planting depth: Same depth as container; plant transplants at soil line

Soil

Type: Well-draining, fertile potting soil or loamy soil

pH: 6.0-7.0

Amendments:

Peat moss or coco coir Perlite or sand for drainage Compost or aged manure Balanced slow-release fertilizer

Growing Zones

Find your zone →

Thrives in zones 10-11; grown as annual or houseplant in cooler zones

10a 10b 11a 11b

Growth Stages

Establishment

3-4 weeks

New transplants with initial growth of stems and leaves; minimal branching

Water regularly to establish roots; provide sturdy trellis or support structure; protect from strong winds; fertilize every 2 weeks with balanced fertilizer

Vegetative Growth

4-8 weeks

Rapid stem elongation with increasing leaf production; plant becomes bushy and develops climbing tendrils

Train vines onto support structure; prune to encourage branching; maintain consistent moisture; fertilize bi-weekly with balanced fertilizer; provide full sun exposure

Budding & Flowering

6-12 weeks (typically summer)

Formation of flower buds along stems; first blooms appear at leaf axils; clusters of trumpet-shaped flowers emerge

Switch to higher phosphorus fertilizer to promote blooms; maintain consistent watering; deadhead spent flowers to encourage continuous blooming; ensure 6-8 hours of direct sun daily

Peak Blooming

8-12 weeks or longer

Profusion of large, vibrant flowers covering much of the plant; continuous flower production if conditions are ideal

Deadhead regularly to extend flowering; maintain even moisture; fertilize weekly with bloom-promoting fertilizer; provide afternoon shade in extreme heat (above 95°F) to prevent flower fade

Dormancy & Pruning

2-4 months (fall/winter)

In cooler climates or seasons, growth slows; flowering decreases as temperatures drop; plant enters semi-dormant state

Reduce watering and fertilizing; prune back stems by 1/3 in late winter to encourage branching next season; bring container plants indoors before frost; maintain temperatures above 50°F

Companion Planting

Plan your garden →

Plant with:

Clematis Climbing roses Jasmine Passion flower Bougainvillea Lantana Verbena

Avoid planting near:

Black walnut (produces juglone) Shallow-rooted plants competing for water Dense shade-producing trees

Common Pests

Spray with neem oil or insecticidal soap; increase humidity; regular misting of foliage
Remove with rubbing alcohol on cotton swab; treat with neem oil or horticultural oil; isolate infested plants
Scrape off manually; apply horticultural oil or neem oil; repeat treatments every 7-10 days
Use yellow sticky traps; spray with neem oil or insecticidal soap; improve air circulation
Spray with strong water stream; use neem oil or insecticidal soap; introduce ladybugs

Uses

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Ornamental use in culinary gardens

Culinary

While not edible itself, Mandevilla adds tropical aesthetic beauty to garden spaces and can frame vegetable or herb gardens. The flowers attract pollinators beneficial to food crops. [source]

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Interior and container decoration

Household

Mandevilla is widely grown as a houseplant in containers, on trellises, or as hanging baskets. It brightens indoor spaces and can be moved outdoors seasonally in warm months. [source]

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Pollinator support

Wildlife

The abundant flowers attract hummingbirds, butterflies, and bees, making it valuable for supporting pollinator populations in gardens and landscapes. [source]

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Landscape and trellis design

Craft

Mandevilla's climbing habit and showy flowers make it ideal for training on arbors, pergolas, and wall-mounted trellises to create living garden structures and focal points. [source]

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Traditional tropical medicine

Medicinal

In its native South American regions, Mandevilla species have been used in traditional medicine preparations, though modern medicinal applications are limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Mandevilla is grown for ornamental flowers rather than harvesting. Deadhead spent flowers regularly by pinching or cutting just below the flower to encourage continuous blooming throughout the season. Cut stems back in late winter (February-March) to promote bushier growth and more flower production next season.

Fun Facts

🌱 Mandevilla is native to Central and South America and was named after Henry Mandeville, a 19th-century British diplomat and gardener.
🌱 The plant produces a milky sap that can be mildly toxic; always wash hands after handling and keep away from children and pets.
🌱 Mandevilla can grow 6-10 feet or more in a single season under ideal warm conditions, making it one of the faster-growing ornamental vines.

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