🍎 Banana

Musa spp.
fruits herbaceous perennial (largest herb)
Illustration of Banana
☀️ Sun
full sun
💧 Water
consistently moist; heavy feeder requiring abundant water
🗺️ Zones
8–11 (cold-hardy varieties to zone 7 with protection)
🪴 Soil Type
rich loam, very high organic matter
🧪 Soil pH
5.5–7.5
📏 Spacing
8-12 ft apart (clumping; mat spacing 10x10 ft)
📅 Days to Maturity
9-18 months (from planting sucker); 12-20 months for fruit to mature after flowering

🍴 Edible Parts

🍽️ ["Fruit"]

🤝 Companions (8)

Living groundcover under banana canopy; suppresses weeds; tolerates shade; complementary root depths
Potassium-rich mulch — bananas are extremely potassium-hungry; chop-and-drop feeds mat
🤝 Taro / Eddoe
Shares moist soil conditions; grows in banana understory; traditional Pacific Islands polyculture
🤝 Pigeon pea
Nitrogen-fixing shrub; windbreak protecting banana leaves; biomass production
Understory crop in banana shade; complementary market crops; traditional agroforestry
🤝 Clover / Peanut (perennial)
Nitrogen-fixing groundcover; suppresses weeds
🤝 Marigold
Nematode suppression — bananas highly susceptible to burrowing nematode
Aphid trap for banana aphid (vector of bunchy top virus)

⚠️ Keep Apart (4)

⚠️ Walnut trees
Juglone sensitivity
Allelopathic; extreme water competition
⚠️ Aggressive vines
Can climb and overwhelm banana pseudostems
⚠️ Other Musa (too dense)
Overcrowding leads to poor air circulation, increased sigatoka disease, reduced yield — maintain 8–10 ft spacing

💊 Medicinal Uses

Contains dopamine (high in peel), serotonin, and significant potassium. Rich in vitamin B6 and prebiotic fiber (inulin). Traditional remedy for digestive health (antacid effect), diarrhea (green bananas), and potassium replenishment. Peel used topically for warts, insect bites, and skin inflammation. Contains tryptophan for mood support.