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Growing Sweet Pea Flower in Tehran

🇮🇷 Zone 6 Planting Guide · Cold semi-arid climate

USDA Zone 6 240 frost-free days 55-70 days to harvest

Quick Answer: Growing Sweet Pea Flower in Tehran

Yes, you can grow Sweet Pea Flower in Tehran, IR! Plant during Jan, Feb, Mar, Sep, Oct for best results. Tehran is in USDA Zone 6 with a Cold semi-arid climate, offering 240 frost-free days per year. The difficulty level is medium, and Sweet Pea Flower takes 55-70 days to harvest. Sweet Pea Flower needs full sun and regular watering.

Climate Match Analysis

Moderate Match Tehran + Sweet Pea Flower

Tehran's climate requires careful timing. Summer highs (36°C) exceed Sweet Pea Flower's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.

Sweet Pea Flower tolerates -2°C to 24°C
Optimal: 10°C - 20°C
Tehran range -1°C to 36°C

Tehran Climate Data

USDA Zone
6
Frost-Free
240days
Winter Low
-1°C
Summer High
36°C
Rainfall
228mm/yr
Climate
BSk
Cold semi-arid

Sweet Pea Flower Planting Calendar for Tehran

Green months show the best time to plant Sweet Pea Flower in Tehran

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Sweet Pea Flower Not recommended

Sweet Pea Flower Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

55-70

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Sweet Pea Flower

Soak seeds overnight. Plant early -- they love cool weather. 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: Sweet Pea Flower is frost tolerant — you can plant earlier in spring.

How to Grow Sweet Pea Flower in Tehran

Tehran, IR is in USDA Hardiness Zone 6 with a Cold semi-arid climate (Köppen BSk). With winter lows of -1°C and summer highs of 36°C, the growing season spans approximately 240 frost-free days. Sweet Pea Flower grows well with some gardening knowledge in this climate.

Sweet Pea Flower thrives in temperatures between 10°C and 20°C, requiring full sun and regular watering. In Tehran, the best months to plant Sweet Pea Flower are January, February, March, September, October. Since Sweet Pea Flower can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 55-70 days after planting.

Tehran receives only 228mm of annual rainfall, so consistent irrigation will be essential for growing Sweet Pea Flower successfully.

Other Plants That Grow in Tehran

More plants you can grow alongside Sweet Pea Flower in Tehran

Keep Exploring

Frequently Asked Questions

Can I grow sweet pea flower in Tehran?

Yes! Sweet Pea Flower can be successfully grown in Tehran, IR. Tehran is in USDA Hardiness Zone 6 with a Cold semi-arid climate. The difficulty level for growing Sweet Pea Flower here is rated "medium". The best months to plant are January, February, March, September, October.

When should I plant sweet pea flower in Tehran?

In Tehran, the recommended planting months for Sweet Pea Flower are January, February, March, September, October. Tehran has 240 frost-free days per year, with winter lows of -1°C and summer highs of 36°C. Sweet Pea Flower is frost tolerant, giving you more flexibility with planting dates.

How long does sweet pea flower take to grow in Tehran?

Sweet Pea Flower typically takes 55-70 days from planting to harvest. In Tehran's Cold semi-arid climate with 240 frost-free days, you have plenty of time to grow Sweet Pea Flower to maturity. Soak seeds overnight. Plant early -- they love cool weather. 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 sweet pea flower indoors in Tehran?

Sweet Pea Flower can potentially be grown indoors in Tehran 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, Sep, Oct outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant sweet pea flower in Tehran?

Plant Sweet Pea Flower in Tehran during January, February, March, September, October. These are the optimal months based on Tehran's USDA Zone 6 climate, 240 frost-free days, and temperature range of -1°C to 36°C.

Is sweet pea flower hard to grow in Tehran?

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

What grows well with sweet pea flower in Tehran?

In Tehran, you can grow many companion plants alongside Sweet Pea Flower. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Tehran's Zone 6 climate.

Does sweet pea flower need full sun in Tehran?

Sweet Pea Flower requires full sun. In Tehran, provide at least 6 hours of direct sunlight daily. During peak summer heat, some afternoon shade can help prevent heat stress.

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

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