Stevia Planting Guide
Growing stevia in May
This page is about stevia in general. For your zone's exact planting and harvest dates, pick your county below.
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How to water stevia
About an inch of water a week keeps stevia happy. Check your weather forecast before watering — skip if rain is coming.
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Where to put stevia
stevia wants at least 6 hours of direct sun. Less than that and you'll get leggy plants with weak yields.
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Check your local forecast before planting
Your zone determines the exact week to plant stevia. Pick your county below and we'll line everything up against your frost dates.
Stevia is a subtropical herb whose leaves contain natural sweeteners 200-300 times sweeter than sugar. It is grown as an annual in most climates.
Stevia rebaudiana · Herb · Asteraceae family · 60–90 days to maturity
Get Your Personalized Stevia Planting Dates
Enter your ZIP code to see exact planting dates, soil compatibility, and growing tips specific to your county.
Where Can You Grow Stevia?
Stevia Growing Regions
Click any state to see the Stevia planting schedule for that location.
Planting Dates by Zone
| Zone | Start Indoors | Direct Sow | Transplant | Harvest |
|---|---|---|---|---|
| Zone 8a | Jan 18 | Mar 15 | Mar 22 | May 24 – Aug 2 |
| Zone 8b | Jan 7 | Mar 4 | Mar 11 | May 13 – Jul 22 |
| Zone 9a | Dec 30 | Feb 17 | Feb 17 | Apr 21 – Jun 30 |
| Zone 9b | Dec 14 | Feb 1 | Feb 1 | Apr 5 – Jun 14 |
| Zone 10a | Nov 20 | Jan 8 | Jan 8 | Mar 12 – May 21 |
| Zone 10b | Nov 20 | Jan 8 | Jan 8 | Mar 12 – May 21 |
| Zone 11a | Nov 20 | Jan 8 | Jan 8 | Mar 12 – May 21 |
| Zone 11b | Nov 20 | Jan 8 | Jan 8 | Mar 12 – May 21 |
How to Plant Stevia
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
Water when the top inch of soil feels dry. Consistent moisture produces the best results.
🧪 Soil pH
6.5 – 7.5
Prefers neutral to slightly acidic soil — ideal for most garden beds.
🗺️ Hardiness Zones
Zone 8a – 11b
📅 Days to Maturity
60–90 days
Quick-growing crop. Multiple plantings per season are possible.
👪 Plant Family
Asteraceae
Rotate with other families yearly to prevent soil-borne diseases. Don't plant in the same spot where Asteraceae family crops grew last year.
Succession Planting Stevia
Stevia matures in just 60–90 days, making it ideal for succession planting. In a typical 180-day growing season, you can get up to 3 successive plantings by sowing every 6.9 weeks.
Your actual succession count depends on your local frost dates. Enter your ZIP code to get personalized succession planting dates for your area.
Companion Planting for Stevia
✅ Good Companions
Check more combinations with our Companion Planting Checker →
Growing Tips for Stevia
Start seeds indoors under lights or buy transplants. Pinch flowers to encourage leaf production. Harvest leaves before flowering for maximum sweetness. Dry leaves for year-round use.
Saving Stevia Seeds
Recommended for Your Garden
Breathable fabric pots that promote healthy root growth and prevent overwatering.
Built-in reservoir keeps herbs and greens consistently watered with less effort.
Start seeds indoors with reusable cell trays and humidity domes.
Seed Saving & Storage Guide
Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.
- 200 plants, step-by-step: life cycle, pollination type, isolation
- Exact temperature + humidity ranges that keep seeds viable
- Bonus: searchable Google Sheets tracker + custom GPT assistant
Stevia by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
How long does it take to grow Stevia?
Stevia (Stevia rebaudiana) takes 60 to 90 days from planting to harvest. Exact timing depends on your variety, growing conditions, and USDA zone.
What zones can Stevia grow in?
Stevia can be grown in USDA zones 8a through 11b. Use the planting calendar above to find the exact dates for your zone.
How much sun does Stevia need?
Growing Stevia requires Full Sun (6-8+ hours), Moderate — regular watering, and soil pH of 6.5 to 7.5.