🥦 Mashua
Tropaeolum tuberosum
vegetables
perennial climbing vine (grown as annual for tubers)

☀️ Sun
full sun to partial shade
💧 Water
moderate
🗺️ Zones
7, 10
🧪 Soil pH
5.5-7.0
🪴 Soil Type
well-draining, tolerates poor soils
🚿 Drainage
Well-drained
📏 Spacing
12-18 in. apart, 30-36 in. between rows (vine; trellis or ground)
⏱️ Maturity
180-220 days (from planting tubers); harvest after first frost for reduced pungency
🍴 Edible Parts
🍽️ Boiled or roasted tubers, traditional Andean dishes, edible flowers and leaves in salads
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone
🤝 Companions (8)
Traditional Andean companion; beans fix nitrogen
Corn provides support for mashua vines
Mashua and oca are traditional Andean companions , mashua's natural pest-repellent compounds protect oca from nematodes and insects while both tuber at similar depths.
Andean root crop companions
Mashua deters pests from ulluco with its natural insecticidal compounds; both are traditional Andean polyculture partners with complementary harvest times.
Broad beans fix nitrogen that mashua's tuber development needs; mashua deters bean pests in return , a mutually beneficial intercropping pair.
🤝 corn (as support)
Corn provides trellising support for mashua's climbing vines; mashua repels corn pests with its pungent compounds , a beneficial New World pairing.
⚠️ Keep Apart (1)
⚠️ plants easily smothered by vigorous vines
Growth inhibition or competition
📝 Growing Notes
Vigorous nasturtium relative. Tubers have peppery flavor. Traditional Andean polyculture member. Natural pest repellent, contains compounds deterring nematodes and insects. Used as living trellis interplanting with corn.
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
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