Skip to content
🌿 Herb medium

Growing Stevia in Sapporo

🇯🇵 Zone 3 Planting Guide · Warm-summer humid continental climate

USDA Zone 3 170 frost-free days 60-90 days to harvest

Quick Answer: Growing Stevia in Sapporo

Yes, you can grow Stevia in Sapporo, JP! Plant during May, Jun, Jul, Aug for best results. Sapporo is in USDA Zone 3 with a Warm-summer humid continental climate, offering 170 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

Moderate Match Sapporo + Stevia

Sapporo's climate requires careful timing. Winter lows (-8°C) drop below Stevia's minimum (10°C), so avoid cold months. Follow the recommended planting months for success.

Stevia tolerates 10°C to 35°C
Optimal: 18°C - 28°C
Sapporo range -8°C to 26°C

Sapporo Climate Data

USDA Zone
3
Frost-Free
170days
Winter Low
-8°C
Summer High
26°C
Rainfall
1107mm/yr
Climate
Dfb
Warm-summer humid continental

Stevia Planting Calendar for Sapporo

Green months show the best time to plant Stevia in Sapporo

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 Sapporo.

How to Grow Stevia in Sapporo

Sapporo, JP is in USDA Hardiness Zone 3 with a Warm-summer humid continental climate (Köppen Dfb). With winter lows of -8°C and summer highs of 26°C, the growing season spans approximately 170 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 Sapporo, the best months to plant Stevia are May, June, July, August. 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.

Sapporo receives 1107mm of annual rainfall, which provides good natural moisture for Stevia. Supplement with additional watering during dry spells.

Other Plants That Grow in Sapporo

More plants you can grow alongside Stevia in Sapporo

Keep Exploring

Frequently Asked Questions

Can I grow stevia in Sapporo?

Yes! Stevia can be successfully grown in Sapporo, JP. Sapporo is in USDA Hardiness Zone 3 with a Warm-summer humid continental climate. The difficulty level for growing Stevia here is rated "medium". The best months to plant are May, June, July, August.

When should I plant stevia in Sapporo?

In Sapporo, the recommended planting months for Stevia are May, June, July, August. Sapporo has 170 frost-free days per year, with winter lows of -8°C and summer highs of 26°C. Since Stevia is not frost tolerant, make sure to plant after the last frost date.

How long does stevia take to grow in Sapporo?

Stevia typically takes 60-90 days from planting to harvest. In Sapporo's Warm-summer humid continental climate with 170 frost-free days, you have enough time with good planning 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 Sapporo?

Stevia can potentially be grown indoors in Sapporo 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 May, Jun, Jul, Aug outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant stevia in Sapporo?

Plant Stevia in Sapporo during May, June, July, August. These are the optimal months based on Sapporo's USDA Zone 3 climate, 170 frost-free days, and temperature range of -8°C to 26°C.

Is stevia hard to grow in Sapporo?

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

What grows well with stevia in Sapporo?

In Sapporo, 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 Sapporo's Zone 3 climate.

Does stevia need full sun in Sapporo?

Stevia requires full sun. In Sapporo, 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

See an error? Report it