Wax Gourd

Vine

Wax Gourd

Benincasa hispida

Also known as: Winter melon, White gourd, Ash gourd

VineGround Cover Cucurbitaceae EdibleGround CoverPollinator
Hardiness Zone
3-11
Ideal Temp
70–90°F
Survives Down To
32°F
Life Cycle
Annual

Benincasa hispida is the cucurbit that coats immature fruit in a pale waxy bloom and matures into huge melons used across Asian kitchens for soup, tea, candy, and ‘I need a wheelbarrow’ harvest jokes. Flesh stays firm when cooked; flavor is mild—canvas for broth and spice. Needs a long warm season; start early under cover if you want big fruit before frost. Humidity means downy mildew is a calendar event, not a surprise. ☀️💧 Sun and Water Requirements: Full sun, fertile well-drained soil, steady moisture while vines run; reduce watering as fruits mature for storage types. ✂️ Propagation: Direct-sow warm soil or transplant carefully; trellis small types, ground culture for monsters if you have space and slug patrol. 🌾 Harvest / Best Use Timing: Pick immature fruit with full wax bloom for kitchen use; let storage types mature on-vine before frost for winter melon projects.

Good Neighbors
  • Corn
  • Beans
  • Nasturtium
Cautions
  • Cold wet soil at planting
  • Crowding with poor airflow
Known Threats — Organic Solutions Only
Banded Cucumber Beetle
Diabrotica balteata
Broad Mite
Polyphagotarsonemus latus
Fusarium Wilt
Fusarium oxysporum
Greenhouse Whitefly
Trialeurodes vaporariorum
Leaf Spot
Multiple species (e.g., Cercospora, Septoria, Alternaria)
Melonworm
Diaphania hyalinata
Papaya Ringspot Virus
Papaya ringspot virus (PRSV; genus Potyvirus)
Pickleworm
Diaphania nitidalis
Powdery Mildew
Erysiphales
Pythium Root Rot
Pythium spp.
Reniform Nematode
Rotylenchulus reniformis
Shore Fly
Scatella stagnalis
Spotted Cucumber Beetle
Diabrotica undecimpunctata howardi
Squash Bug
Anasa tristis
Squash Vine Borer
Melittia cucurbitae
Striped Cucumber Beetle
Acalymma vittatum