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Growing Cosmos in Tabriz

🇮🇷 Zone 4 Planting Guide · Cold semi-arid climate

USDA Zone 4 200 frost-free days 50-60 days to harvest

Quick Answer: Growing Cosmos in Tabriz

Yes, you can grow Cosmos in Tabriz, IR! Plant during Apr, May, Jun, Jul for best results. Tabriz is in USDA Zone 4 with a Cold semi-arid climate, offering 200 frost-free days per year. The difficulty level is easy, and Cosmos takes 50-60 days to harvest. Cosmos needs full sun and low watering.

Climate Match Analysis

Moderate Match Tabriz + Cosmos

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

Cosmos tolerates 5°C to 35°C
Optimal: 15°C - 28°C
Tabriz range -7°C to 33°C

Tabriz Climate Data

USDA Zone
4
Frost-Free
200days
Winter Low
-7°C
Summer High
33°C
Rainfall
288mm/yr
Climate
BSk
Cold semi-arid

Cosmos Planting Calendar for Tabriz

Green months show the best time to plant Cosmos in Tabriz

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

Cosmos Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Low

Drought tolerant, water sparingly

📅

Days to Harvest

50-60

From planting to first harvest

📊

Difficulty

easy

Great for beginners

💡 Growing Tips for Cosmos

Direct sow. Thrives on neglect -- don't fertilize. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Frost tolerance: Cosmos is NOT frost tolerant — wait until after the last frost in Tabriz.

How to Grow Cosmos in Tabriz

Tabriz, IR is in USDA Hardiness Zone 4 with a Cold semi-arid climate (Köppen BSk). With winter lows of -7°C and summer highs of 33°C, the growing season spans approximately 200 frost-free days. Cosmos is one of the easiest plants to grow in this climate.

Cosmos thrives in temperatures between 15°C and 28°C, requiring full sun and low watering. In Tabriz, the best months to plant Cosmos are April, May, June, July. Cosmos is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 50-60 days after planting.

Tabriz receives only 288mm of annual rainfall, so consistent irrigation will be essential for growing Cosmos successfully.

Other Plants That Grow in Tabriz

More plants you can grow alongside Cosmos in Tabriz

Keep Exploring

Frequently Asked Questions

Can I grow cosmos in Tabriz?

Yes! Cosmos can be successfully grown in Tabriz, IR. Tabriz is in USDA Hardiness Zone 4 with a Cold semi-arid climate. The difficulty level for growing Cosmos here is rated "easy". The best months to plant are April, May, June, July.

When should I plant cosmos in Tabriz?

In Tabriz, the recommended planting months for Cosmos are April, May, June, July. Tabriz has 200 frost-free days per year, with winter lows of -7°C and summer highs of 33°C. Since Cosmos is not frost tolerant, make sure to plant after the last frost date.

How long does cosmos take to grow in Tabriz?

Cosmos typically takes 50-60 days from planting to harvest. In Tabriz's Cold semi-arid climate with 200 frost-free days, you have plenty of time to grow Cosmos to maturity. Direct sow. Thrives on neglect -- don't fertilize. Wait until soil warms to at least 15°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Can I grow cosmos indoors in Tabriz?

Cosmos can potentially be grown indoors in Tabriz 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 Apr, May, Jun, Jul outdoor planting window. Use containers with good drainage and low watering.

What month do I plant cosmos in Tabriz?

Plant Cosmos in Tabriz during April, May, June, July. These are the optimal months based on Tabriz's USDA Zone 4 climate, 200 frost-free days, and temperature range of -7°C to 33°C.

Is cosmos hard to grow in Tabriz?

Cosmos is rated "easy" to grow in Tabriz. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Cosmos in Tabriz is Moderate.

What grows well with cosmos in Tabriz?

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

Does cosmos need full sun in Tabriz?

Cosmos requires full sun. In Tabriz, 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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