Greenbrier
Smilax rotundifolia
Family: Smilacaceae
Greenbrier grows in partial shade to full sun and prefers dry to moist soil. Water needs: Low to moderate.
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Plant reference images showing growth stages and identifying features.
How to Grow Greenbrier
Greenbrier growing information includes sunlight requirements of Partial shade to full sun, soil conditions listed as Dry to moist soil with a soil pH of 5.0-7.5, and Low to moderate water needs. The listed hardiness zones are 4-9. For propagation reference, the database lists germination or establishment information for Greenbrier as 60-90 days after stratification, with planting or establishment depth listed as 1/2 inch. Days to maturity are listed as 2-3 years.
Plant Overview
Greenbrier (Smilax rotundifolia) is listed in the Smilacaceae family and categorized as a vine with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Moderate.
- Plant ID
- PLT-0651
- Family
- Smilacaceae
- Plant type
- Vine
- Life cycle
- Perennial
- Difficulty
- Moderate
Growing Conditions
Greenbrier is listed for partial shade to full sun conditions. Water needs are listed as low to moderate. The database soil reference is Dry to moist soil. The listed soil pH range is 5.0-7.5, and the listed hardiness range is 4-9.
- Hardiness zones
- 4-9
- Sunlight
- Partial shade to full sun
- Soil
- Dry to moist soil
- Soil pH
- 5.0-7.5
- Water needs
- Low to moderate
Seed & Germination
For seed starting, the listed germination time is 60-90 days after stratification and the seed depth is 1/2 inch. The listed time to maturity is 2-3 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 60-90 days after stratification
- Seed depth
- 1/2 inch
Harvest & Propagation
- Days to maturity
- 2-3 years
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.