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🍓 Fruit medium

Growing Guava in Oslo

🇳🇴 Zone 4 Planting Guide · Warm-summer humid continental climate

USDA Zone 4 180 frost-free days 365-730 days to harvest

Quick Answer: Growing Guava in Oslo

Yes, you can grow Guava in Oslo, NO! Plant during May, Jun, Jul, Aug for best results. Oslo is in USDA Zone 4 with a Warm-summer humid continental climate, offering 180 frost-free days per year. The difficulty level is medium, and Guava takes 365-730 days to harvest. Guava needs full sun and regular watering.

Climate Match Analysis

Moderate Match Oslo + Guava

Oslo's climate requires careful timing. Winter lows (-7°C) drop below Guava's minimum (5°C), so avoid cold months. Follow the recommended planting months for success.

Guava tolerates 5°C to 38°C
Optimal: 22°C - 30°C
Oslo range -7°C to 22°C

Oslo Climate Data

USDA Zone
4
Frost-Free
180days
Winter Low
-7°C
Summer High
22°C
Rainfall
763mm/yr
Climate
Dfb
Warm-summer humid continental

Guava Planting Calendar for Oslo

Green months show the best time to plant Guava in Oslo

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

Guava Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

365-730

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Guava

Can fruit in 2-3 years. Prune for shape. Wait until soil warms to at least 22°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: Guava is NOT frost tolerant — wait until after the last frost in Oslo.

How to Grow Guava in Oslo

Oslo, NO is in USDA Hardiness Zone 4 with a Warm-summer humid continental climate (Köppen Dfb). With winter lows of -7°C and summer highs of 22°C, the growing season spans approximately 180 frost-free days. Guava grows well with some gardening knowledge in this climate.

Guava thrives in temperatures between 22°C and 30°C, requiring full sun and regular watering. In Oslo, the best months to plant Guava are May, June, July, August. Guava is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 365-730 days after planting.

With 763mm of annual rainfall, Oslo provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Oslo

More plants you can grow alongside Guava in Oslo

Keep Exploring

Frequently Asked Questions

Can I grow guava in Oslo?

Yes! Guava can be successfully grown in Oslo, NO. Oslo is in USDA Hardiness Zone 4 with a Warm-summer humid continental climate. The difficulty level for growing Guava here is rated "medium". The best months to plant are May, June, July, August.

When should I plant guava in Oslo?

In Oslo, the recommended planting months for Guava are May, June, July, August. Oslo has 180 frost-free days per year, with winter lows of -7°C and summer highs of 22°C. Since Guava is not frost tolerant, make sure to plant after the last frost date.

How long does guava take to grow in Oslo?

Guava typically takes 365-730 days from planting to harvest. In Oslo's Warm-summer humid continental climate with 180 frost-free days, you have enough time with good planning to grow Guava to maturity. Can fruit in 2-3 years. Prune for shape. Wait until soil warms to at least 22°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 guava indoors in Oslo?

Guava can potentially be grown indoors in Oslo 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 guava in Oslo?

Plant Guava in Oslo during May, June, July, August. These are the optimal months based on Oslo's USDA Zone 4 climate, 180 frost-free days, and temperature range of -7°C to 22°C.

Is guava hard to grow in Oslo?

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

What grows well with guava in Oslo?

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

Does guava need full sun in Oslo?

Guava requires full sun. In Oslo, 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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