Herb · Growing guide
Stevia
Stevia rebaudiana · Asteraceae family
Stevia is an upright herb grown for culinary harvest, aromatic garden, and natural dye garden. Use this guide to match its light, water, soil, space, seasonal care, and safety needs.
Guide status Exact ranges are a catalog starting point. Check the plant label, cultivar, region, and linked sources before planting.
- Reliable light
- Full to part sun
- Water pattern
- Moderate
- Mature size
- 28 × 20 in
- Final spacing
- 20 in
- Season
- perennial
Plant identity, types & settings
One plant guide. Clear details underneath.
Stevia is the plant identity. Container, landscape, cutting, indoor, hydroponic, and harvest labels describe ways to grow it; they are not additional plant or cultivar names.
Ways to grow it
These are garden or production settings—not cultivar names and not extra plants.
Garden Crop
Keep harvest access open and label the species and intended plant part; culinary, aromatic, and dye uses are not interchangeable.
- Mature size
- 28 × 20 in
- Spacing
- 20 in
- Container
- 5+ gal · 13+ in deep
Indoor Hydroponic Crop
Select compact seed stock, provide active light, and sanitize the recirculating system between crops.
- Mature size
- 21 × 14 in
- Spacing
- 10 in
- Container
- 3+ gal · 13+ in deep
01 · Light & site
Give it the light its growth depends on.
Full to part sun, with roughly 4 to 7 hours of useful light. Perennial timing, dormancy, and winter survival are climate- and cultivar-specific.
02 · Water & soil
Keep roots supplied without trapping water.
Water deeply when the active root zone begins to dry.
- Soil
- Loose, organic, species-appropriate garden soil
- Drainage
- Well drained
- pH
- Species-specific; verify the grower label and linked guidance
03 · Spacing & roots
Make room for the mature plant.
Space plants about 20 inches apart. Expect a mature plant around 28 inches tall by 20 inches wide.
fibrous to rhizomatous herbaceous root system. Container figures are a planning floor, not a claim that long-term container culture is ideal.
04 · Start
Begin with the method that protects establishment.
Use the species-appropriate method—seed, cutting, division, bulb, tuber, or a healthy transplant—and follow the plant label for timing.
05 · Care
Support healthy growth through the season.
Usually self-supporting; contain spreading species. Add a discreet stake only if wind, bloom weight, or an exposed site makes it necessary.
- Upkeep
- High
- Feeding
- Moderate
- Watch for
- Species-specific insects, Crowding-related disease, Moisture stress
06 · Flower or harvest
Harvest and flowering
45–110 days to the first expected harvest, bloom, or established display; perennials may need additional seasons to settle. Harvest only correctly identified plant parts with an established culinary use. Let some stems flower when pollinator value is part of the goal.
07 · Safety
Know the cautions before you place or use it.
No specific toxicity warning is recorded here. Confirm identification and current child, pet, food-use, and regional guidance before relying on that absence.
08 · Sources
Check the evidence behind the guide.
Guide record: Editorial review pending; generated 2026-08-10. Region, cultivar, regulations, and current product labels can change the right decision.
Working checklist