Kangkong

Aquatic

Kangkong

Ipomoea aquatica

Also known as: Water spinach, Ong choy

AquaticHerbaceous Convolvulaceae EdibleGround CoverSoil Improvement
Hardiness Zone
9-11
Ideal Temp
70–92°F
Survives Down To
32°F
Life Cycle
Perennial

Kangkong is a heat-loving aquatic/moist-soil vine grown like spinach that actually respects summer. Hollow stems, lush leaves, stir-fry royalty. In Florida it is regulated as an invasive aquatic plant in many contexts—grow it like you mean containment (tanks, raised beds lined from waterways, zero “let’s see what the canal thinks”). subtropical and tropical Americas frosts set the calendar; treat it as annual or greenhouse winter crop unless you are frost-free. ☀️💧 Sun and Water Requirements: - Full sun to light shade; fastest growth with heat + nutrients + moisture. - Hydrophilic: moist soil, hydroponic, or clean recirculating aquaponics—never introduce to natural water bodies. ✂️ Methods to Propagate: - Cuttings: 20–30 cm tips root in water or wet media—commercial growers repeat this all season. - Seeds in warm conditions if you can source them reliably. 🌾 Harvest tips: - Snip tips repeatedly; plant responds with bushier growth—harvest before flowering for tenderest stems.

Good Neighbors
  • Aquaponic lettuce
  • Taro (in separate containment philosophy)
  • Wetland-edge species only where law and ethics allow zero escape
Cautions
  • Floating mats that can reach public water
  • Ignoring regional invasive-plant rules
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Caterpillars
Lepidoptera Larvae
Leafhoppers
Cicadellidae
Sweet Potato Weevil
Cylas formicarius