Family: Cactaceae | Genus: HYLOCEREUS undatus
type : Cactus
sun exposure : Filtered Light, Full Sun, Partial Shade
water : Drought Tolerant, Moderate Water, Regular Water
planting zones : TS (Tropical South) / Zone 10, TS (Tropical South) / Zone 11
Plant Details

A plant that is often passed along from friend to friend, parent to child. Of unknown origin, but it is widely grown and naturalized in the tropical Americas. Deep green, three-ribbed, 2 inches-wide stems with short, dark spines grow quickly to 15 feet (possibly to 30 feet.), attaching themselves to a tree trunk, wall, or house by means of strong aerial roots. Without a support, the stems create a large, freestanding mound with a beautiful snaking pattern. Grown primarily for its waxy, fragrant, nocturnal white flowers, which are up to 1 feet long. Individual flowers last just one night, but plant may bloom all summer. May also produce showy, 4 inches-long red fruit, which is edible and even deliciously sweet. Tolerates salt spray.

Easy to grow outdoors in well-drained soil in Tropical South. Elsewhere, grow in container and bring indoors in winter; keep humidity high and night temperature above 55F. Fertilize monthly in spring and summer with balanced liquid fertilizer diluted to half-strength. Can survive drought but does best if watered regularly until flowering starts, then sparingly through the summer to encourage flowering.

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