Dragon Fruit

Plant Overview

Dragon Fruit (Selenicereus undatus) is listed in the Cactaceae family and categorized as a fruit with a perennial cactus life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Moderate.

Plant ID

PLT-0116

Family

Cactaceae

Plant type

Fruit

Life cycle

Perennial cactus

Growth habit

Climbing or sprawling epiphytic cactus with long, three-angled succulent stems that benefit from a strong post or trellis

Mature height

Commonly trained about 5-8 feet high on a support, with stems capable of extending 10-20 feet or more

Mature spread

Commonly 6-10 feet or more around the support as stems branch and drape

Difficulty

Moderate

Growing Conditions

Dragon Fruit is listed for full sun to partial shade conditions. Water needs are listed as moderate; water deeply but allow the root zone to drain well and avoid prolonged saturation. The database soil reference is Loose, fertile, very well-drained sandy loam or cactus-style mix enriched with organic matter. The listed soil pH range is 5.5-7.0, and the listed hardiness range is 10-11.

Hardiness zones

10-11

Sunlight

Full sun to partial shade

Soil

Loose, fertile, very well-drained sandy loam or cactus-style mix enriched with organic matter

Soil pH

5.5-7.0

Water needs

Moderate; water deeply but allow the root zone to drain well and avoid prolonged saturation

Plant spacing

Allow roughly 6-10 feet between plants or support posts to provide airflow, training room, and harvest access

Seed & Germination

For propagation, the database note is dragon fruit seeds can germinate within several weeks under warm, moist conditions, but fruiting plants are more commonly propagated from stem cuttings. Planting-depth guidance: For seed propagation, sow dragon fruit seed very shallowly on or just beneath the surface of a moist, well-drained medium; stem cuttings are planted with the basal end anchored firmly in the growing medium. The listed time to maturity is Stem-cutting plants may begin fruiting in about 1-3 years under favorable conditions, while seed-grown plants generally take longer. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.

Germination

Dragon fruit seeds can germinate within several weeks under warm, moist conditions, but fruiting plants are more commonly propagated from stem cuttings

Germination temperature

Dragon fruit seed germination is favored by warm conditions, generally around 70-85°F, with steady moisture and good aeration

Seed depth

For seed propagation, sow dragon fruit seed very shallowly on or just beneath the surface of a moist, well-drained medium; stem cuttings are planted with the basal end anchored firmly in the growing medium

Sowing method

Usually established from rooted or freshly callused stem cuttings planted beside a strong support; seed is mainly used for breeding or seedling production

Start indoors

Seeds and stem cuttings can be started indoors in warm, bright conditions before moving plants outdoors where temperatures are suitable

Transplanting

Move rooted plants with minimal root disturbance, set them at approximately their previous growing depth, and provide a sturdy post or trellis immediately

Harvest & Propagation

Days to maturity

Stem-cutting plants may begin fruiting in about 1-3 years under favorable conditions, while seed-grown plants generally take longer

Harvest

Harvest when the skin has developed full cultivar color, the bracts begin to soften slightly, and the fruit detaches readily with a gentle twist

Propagation

Most commonly propagated from stem cuttings, which root readily and fruit sooner than seed-grown plants

Seed saving

Collect seeds from fully ripe fruit, separate them from the pulp, rinse and dry briefly, and store cool and dry; seedlings are genetically variable and may not reproduce the parent cultivar

Pollination

Pollination requirements vary by cultivar; some dragon fruit are self-fertile while others require pollen from a genetically compatible cultivar, with nocturnal moths, bats, bees, or hand pollination contributing to fruit set

Garden Information

Common pests

Mealybugs, scale insects, aphids, mites, ants associated with sap-feeding pests, snails, slugs, and occasional fruit-feeding insects

Common diseases

Stem and fruit rots, anthracnose, cankers, bacterial soft rots, and other fungal or bacterial diseases favored by excessive moisture

Uses

Fresh fruit, smoothies, juices, fruit bowls, desserts, preserves, beverages, and ornamental edible landscaping