Soya
Glycine max
Last reviewed: August 2026

Toxicity unknown
Soya (Glycine max) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
The USDA PLANTS Database (opens in new tab) does not flag Soya as toxic to livestock.
Light
full sun
Water
medium
Size
12"–60" H × 6"–24" W
Bloom
Jul, Aug, Sep
Pollinators
bees
Native alternatives to Soya
Soya is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaSoybean is an annual agricultural crop that produces clusters of small white or purple flowers followed by edible bean pods. This fast-growing plant has the typical three-leaflet pattern of legumes and can reach up to 5 feet tall in optimal conditions.
In an HOA neighborhood
Soya takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Looks like agricultural crop rather than ornamental plant
- May be prohibited by food gardening restrictions
- Can appear messy as pods mature and leaves yellow
Wildlife value
The flowers attract bees and other pollinators during summer blooming periods. As a nitrogen-fixing legume, it also improves soil health for other plants.
Common questions
- How much sun does Soya need?
- Soya grows best in full sun conditions.
- When does Soya bloom?
- Soya blooms in July, August, and September.
- Is Soya toxic to livestock?
- The USDA PLANTS Database does not flag Soya as toxic to livestock.
- What pollinators does Soya attract?
- Soya draws bees.
- Is Soya HOA-friendly?
- Soya takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Soya? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz


