Soybean Plant Care
Glycine max (L.) Merr.
Updated · Sources · How we source care data
The soybean, soy bean, or soya bean is a species of legume native to East Asia, widely grown for its edible bean. Soy is a staple crop, the world's most grown legume, and an important animal feed.
Every 4–7 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Soybean?
Water Soybean every 4–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Soybean Native To?
What Is the Soybean?
Soybean (Glycine max) belongs to the Fabaceae family within the Glycine genus. Soybean is native to East Asia, widely grown for its edible bean. Soybean is also known as Soya Bean.
Soybean displays a vining, climbing growth habit, reaching up to 10 ft tall with a spread of approximately 6 ft. Soybean produces showy clusters of purple, pink, or white pea-like flowers.
Leaf size: approximately 4 inches.
How Often Should You Water a Soybean?
Glycine max requires watering every 4–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 4–7 days
Let soil partially dry between waterings
What Light Does the Soybean Need?
Soybean thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Soybean Prefer?
Glycine max grows best at temperatures of 60–80°F. Soybean prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Soybean?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Soybean to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Soybean?
Feed Soybean every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Soybean?
Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Soybean?
Soybean can be propagated through seeds, softwood cuttings. Similar propagation techniques also apply to hoary glycine plant care, which shares the same genus.
Is the Soybean Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Soybean, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Soybean?
Soybean is susceptible to aphids, leafhoppers, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Soybean Need?
Soybean grows outdoors in USDA Zone 2a – 11b. It survives winters down to planting zone 2a. Soybean is native to East Asia, widely grown for its edible bean.
Hardiness Zone
Zone 2a – 11b
Keep exploring plants
Soybean is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Glycine genus — compare its care with other Glycine species on PlantoScan.
Glycine is part of the Fabaceae plant family — browse all Fabaceae genera and species.
Soybean thrives in bright light and direct sun — see other bright-light plants.
More Glycine Species
Other Glycine species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Glycine max (L.) Merr., family Fabaceae (first published in Interpr. Herb. Amboin. : 274 (1917)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Soybean, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 2a – 11b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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