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🌿 Herb medium

Growing Stevia in Vientiane

🇱🇦 Zone 11 Planting Guide · Tropical savanna climate

USDA Zone 11 365 frost-free days 60-90 days to harvest

Quick Answer: Growing Stevia in Vientiane

Yes, you can grow Stevia in Vientiane, LA! Plant during Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec for best results. Vientiane is in USDA Zone 11 with a Tropical savanna climate, offering 365 frost-free days per year. The difficulty level is medium, and Stevia takes 60-90 days to harvest. Stevia needs full sun and regular watering.

Climate Match Analysis

Good Match Vientiane + Stevia

Vientiane's temperatures (16°C to 34°C) are within the tolerable range for Stevia (10°C to 35°C), though not always in the optimal zone (18°C to 28°C). Plant during recommended months for best results.

Stevia tolerates 10°C to 35°C
Optimal: 18°C - 28°C
Vientiane range 16°C to 34°C

Vientiane Climate Data

USDA Zone
11
Frost-Free
365days
Winter Low
16°C
Summer High
34°C
Rainfall
1660mm/yr
Climate
Aw
Tropical savanna

Stevia Planting Calendar for Vientiane

Green months show the best time to plant Stevia in Vientiane

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Stevia Not recommended

Stevia Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

60-90

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Stevia

Harvest leaves before flowering for best sweetness. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and invites root rot. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Stevia is NOT frost tolerant — wait until after the last frost in Vientiane.

How to Grow Stevia in Vientiane

Vientiane, LA is in USDA Hardiness Zone 11 with a Tropical savanna climate (Köppen Aw). With winter lows of 16°C and summer highs of 34°C, the growing season spans approximately 365 frost-free days. Stevia grows well with some gardening knowledge in this climate.

Stevia thrives in temperatures between 18°C and 28°C, requiring full sun and regular watering. In Vientiane, the best months to plant Stevia are January, February, March, April, May, June, July, August, September, October, November, December. Stevia is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 60-90 days after planting.

Vientiane receives 1660mm of annual rainfall, which provides good natural moisture for Stevia. Supplement with additional watering during dry spells.

Other Plants That Grow in Vientiane

More plants you can grow alongside Stevia in Vientiane

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Frequently Asked Questions

Can I grow stevia in Vientiane?

Yes! Stevia can be successfully grown in Vientiane, LA. Vientiane is in USDA Hardiness Zone 11 with a Tropical savanna climate. The difficulty level for growing Stevia here is rated "medium". The best months to plant are January, February, March, April, May, June, July, August, September, October, November, December.

When should I plant stevia in Vientiane?

In Vientiane, the recommended planting months for Stevia are January, February, March, April, May, June, July, August, September, October, November, December. Vientiane has 365 frost-free days per year, with winter lows of 16°C and summer highs of 34°C. Since Stevia is not frost tolerant, make sure to plant after the last frost date.

How long does stevia take to grow in Vientiane?

Stevia typically takes 60-90 days from planting to harvest. In Vientiane's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Stevia to maturity. Harvest leaves before flowering for best sweetness. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and invites root rot. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow stevia indoors in Vientiane?

Stevia can potentially be grown indoors in Vientiane with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant stevia in Vientiane?

Plant Stevia in Vientiane during January, February, March, April, May, June, July, August, September, October, November, December. These are the optimal months based on Vientiane's USDA Zone 11 climate, 365 frost-free days, and temperature range of 16°C to 34°C.

Is stevia hard to grow in Vientiane?

Stevia is rated "medium" to grow in Vientiane. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Stevia in Vientiane is Good.

What grows well with stevia in Vientiane?

In Vientiane, you can grow many companion plants alongside Stevia. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Vientiane's Zone 11 climate.

Does stevia need full sun in Vientiane?

Stevia requires full sun. In Vientiane, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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