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Growing Soybean in Tallinn

🇪🇪 Zone 3 Planting Guide · Warm-summer humid continental climate

USDA Zone 3 170 frost-free days 80-120 days to harvest

Quick Answer: Growing Soybean in Tallinn

Yes, you can grow Soybean in Tallinn, EE! Plant during May, Jun, Jul, Aug for best results. Tallinn 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 Soybean takes 80-120 days to harvest. Soybean needs full sun and regular watering.

Climate Match Analysis

Moderate Match Tallinn + Soybean

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

Soybean tolerates 10°C to 35°C
Optimal: 20°C - 30°C
Tallinn range -8°C to 21°C

Tallinn Climate Data

USDA Zone
3
Frost-Free
170days
Winter Low
-8°C
Summer High
21°C
Rainfall
677mm/yr
Climate
Dfb
Warm-summer humid continental

Soybean Planting Calendar for Tallinn

Green months show the best time to plant Soybean in Tallinn

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

Soybean Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

80-120

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Soybean

Inoculate seeds with nitrogen-fixing bacteria. Bush types don't need support. Wait until soil warms to at least 20°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: Soybean is NOT frost tolerant — wait until after the last frost in Tallinn.

How to Grow Soybean in Tallinn

Tallinn, EE 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 21°C, the growing season spans approximately 170 frost-free days. Soybean grows well with some gardening knowledge in this climate.

Soybean thrives in temperatures between 20°C and 30°C, requiring full sun and regular watering. In Tallinn, the best months to plant Soybean are May, June, July, August. Soybean is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 80-120 days after planting.

With 677mm of annual rainfall, Tallinn provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Tallinn

More plants you can grow alongside Soybean in Tallinn

Keep Exploring

Frequently Asked Questions

Can I grow soybean in Tallinn?

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

When should I plant soybean in Tallinn?

In Tallinn, the recommended planting months for Soybean are May, June, July, August. Tallinn has 170 frost-free days per year, with winter lows of -8°C and summer highs of 21°C. Since Soybean is not frost tolerant, make sure to plant after the last frost date.

How long does soybean take to grow in Tallinn?

Soybean typically takes 80-120 days from planting to harvest. In Tallinn's Warm-summer humid continental climate with 170 frost-free days, you have enough time with good planning to grow Soybean to maturity. Inoculate seeds with nitrogen-fixing bacteria. Bush types don't need support. Wait until soil warms to at least 20°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 soybean indoors in Tallinn?

Soybean can potentially be grown indoors in Tallinn 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 soybean in Tallinn?

Plant Soybean in Tallinn during May, June, July, August. These are the optimal months based on Tallinn's USDA Zone 3 climate, 170 frost-free days, and temperature range of -8°C to 21°C.

Is soybean hard to grow in Tallinn?

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

What grows well with soybean in Tallinn?

In Tallinn, you can grow many companion plants alongside Soybean. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Tallinn's Zone 3 climate.

Does soybean need full sun in Tallinn?

Soybean requires full sun. In Tallinn, 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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