Jack Bean Plant
Jack bean (Canavalia ensiformis), an annual from the Americas, grows 1-3 m in loamy soil with full sun, needs moderate moisture to yield 0.5-1 kg of protein-rich pods and seeds, supported by regular watering and 10:20:20 NPK.
Habit
Annual
Height
1-3 m
Growth
Fast
Soil
Loamy, well-drained
Shade
Full Sun
Moisture
Moderate
Edible
Yes (young pods, seeds)
Medicinal
Yes (antioxidants)
Origin
Americas
Climatic Condition
Tropical
Temperature (°)
20-35
Humidity (%)
60-80
Potting media
50% peat, 30% compost, 20% sand
Fertilizers
Balanced NPK (10:10:10)
Watering
Regular, keep moist
Plant Weight
~1-2 kg
Flowering Time
Summer-Fall
Soil Ph level
6.0-7.0
Water Ph level
6.0-7.0
Soil EC
0.8-1.2
Yield Per Plant
0.5-1 kg
NPK ratio
10:20:20
life Span
1 year
Health Benefits
Rich in protein, antioxidants
Suggested Grow Media or Potting Mix ?
50% peat, 30% compost, 20% sand
Suggested Fertigation/Fertilizers
Fertilize every 2 weeks with balanced NPK
Common Diseases and Remedies
Anthracnose, Powdery Mildew, Root Rot, Bacterial Leaf Spot, Mosaic Virus
Dark sunken lesions on pods and stems, White powdery coating on leaves, Wilting with soggy roots, Small dark spots with yellow halos on leaves, Mottled yellowing leaves with stunted growth
Remove plant debris, copper sprays, Neem oil, sulfur spray, Improve drainage, avoid overwatering, Copper-based sprays, No organic cure, use resistant varieties
Fungicides with chlorothalonil, Fungicides with myclobutanil, Fungicides with mefenoxam, Bactericides with copper hydroxide, No chemical cure, use resistant varieties