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🥬 Vegetable medium

Growing Turnip in Boise

🇺🇸 Zone 4 Planting Guide · Cold semi-arid climate

USDA Zone 4 165 frost-free days 30-60 days to harvest

Quick Answer: Growing Turnip in Boise

Yes, you can grow Turnip in Boise, US! Plant during Mar, Apr, May, Jul, Aug for best results. Boise is in USDA Zone 4 with a Cold semi-arid climate, offering 165 frost-free days per year. The difficulty level is medium, and Turnip takes 30-60 days to harvest. Turnip needs full sun and regular watering.

Climate Match Analysis

Moderate Match Boise + Turnip

Boise's climate requires careful timing. Winter lows (-7°C) drop below Turnip's minimum (-2°C), so avoid cold months. Summer highs (34°C) exceed Turnip's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.

Turnip tolerates -2°C to 24°C
Optimal: 8°C - 18°C
Boise range -7°C to 34°C

Boise Climate Data

USDA Zone
4
Frost-Free
165days
Winter Low
-7°C
Summer High
34°C
Rainfall
307mm/yr
Climate
BSk
Cold semi-arid

Turnip Planting Calendar for Boise

Green months show the best time to plant Turnip in Boise

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

Turnip Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

30-60

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Turnip

Direct sow. Spring and fall crops. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Turnip is frost tolerant — you can plant earlier in spring.

How to Grow Turnip in Boise

Boise, US is in USDA Hardiness Zone 4 with a Cold semi-arid climate (Köppen BSk). With winter lows of -7°C and summer highs of 34°C, the growing season spans approximately 165 frost-free days. Turnip grows well with some gardening knowledge in this climate.

Turnip thrives in temperatures between 8°C and 18°C, requiring full sun and regular watering. In Boise, the best months to plant Turnip are March, April, May, July, August. Since Turnip can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 30-60 days after planting.

Boise receives only 307mm of annual rainfall, so consistent irrigation will be essential for growing Turnip successfully.

Other Plants That Grow in Boise

More plants you can grow alongside Turnip in Boise

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Frequently Asked Questions

Can I grow turnip in Boise?

Yes! Turnip can be successfully grown in Boise, US. Boise is in USDA Hardiness Zone 4 with a Cold semi-arid climate. The difficulty level for growing Turnip here is rated "medium". The best months to plant are March, April, May, July, August.

When should I plant turnip in Boise?

In Boise, the recommended planting months for Turnip are March, April, May, July, August. Boise has 165 frost-free days per year, with winter lows of -7°C and summer highs of 34°C. Turnip is frost tolerant, giving you more flexibility with planting dates.

How long does turnip take to grow in Boise?

Turnip typically takes 30-60 days from planting to harvest. In Boise's Cold semi-arid climate with 165 frost-free days, you have enough time with good planning to grow Turnip to maturity. Direct sow. Spring and fall crops. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. 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 turnip indoors in Boise?

Turnip can potentially be grown indoors in Boise 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 Mar, Apr, May, Jul, Aug outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant turnip in Boise?

Plant Turnip in Boise during March, April, May, July, August. These are the optimal months based on Boise's USDA Zone 4 climate, 165 frost-free days, and temperature range of -7°C to 34°C.

Is turnip hard to grow in Boise?

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

What grows well with turnip in Boise?

In Boise, you can grow many companion plants alongside Turnip. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Boise's Zone 4 climate.

Does turnip need full sun in Boise?

Turnip requires full sun. In Boise, 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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