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Growing Cosmos in Maputo

🇲🇿 Zone 10 Planting Guide · Tropical savanna climate

USDA Zone 10 355 frost-free days 50-60 days to harvest

Quick Answer: Growing Cosmos in Maputo

Yes, you can grow Cosmos in Maputo, MZ! Plant during Jul, Aug, Sep, Oct for best results. Maputo is in USDA Zone 10 with a Tropical savanna climate, offering 355 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

Good Match Maputo + Cosmos

Maputo's temperatures (13°C to 30°C) are within the tolerable range for Cosmos (5°C to 35°C), though not always in the optimal zone (15°C to 28°C). Plant during recommended months for best results.

Cosmos tolerates 5°C to 35°C
Optimal: 15°C - 28°C
Maputo range 13°C to 30°C

Maputo Climate Data

USDA Zone
10
Frost-Free
355days
Winter Low
13°C
Summer High
30°C
Rainfall
790mm/yr
Climate
Aw
Tropical savanna

Cosmos Planting Calendar for Maputo

Green months show the best time to plant Cosmos in Maputo

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 Maputo.

How to Grow Cosmos in Maputo

Maputo, MZ is in USDA Hardiness Zone 10 with a Tropical savanna climate (Köppen Aw). With winter lows of 13°C and summer highs of 30°C, the growing season spans approximately 355 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 Maputo, the best months to plant Cosmos are July, August, September, October. 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.

With 790mm of annual rainfall, Maputo provides moderate natural moisture. This should be adequate for Cosmos's water needs.

Other Plants That Grow in Maputo

More plants you can grow alongside Cosmos in Maputo

Keep Exploring

Frequently Asked Questions

Can I grow cosmos in Maputo?

Yes! Cosmos can be successfully grown in Maputo, MZ. Maputo is in USDA Hardiness Zone 10 with a Tropical savanna climate. The difficulty level for growing Cosmos here is rated "easy". The best months to plant are July, August, September, October.

When should I plant cosmos in Maputo?

In Maputo, the recommended planting months for Cosmos are July, August, September, October. Maputo has 355 frost-free days per year, with winter lows of 13°C and summer highs of 30°C. Since Cosmos is not frost tolerant, make sure to plant after the last frost date.

How long does cosmos take to grow in Maputo?

Cosmos typically takes 50-60 days from planting to harvest. In Maputo's Tropical savanna climate with 355 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 Maputo?

Cosmos can potentially be grown indoors in Maputo 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 Jul, Aug, Sep, Oct outdoor planting window. Use containers with good drainage and low watering.

What month do I plant cosmos in Maputo?

Plant Cosmos in Maputo during July, August, September, October. These are the optimal months based on Maputo's USDA Zone 10 climate, 355 frost-free days, and temperature range of 13°C to 30°C.

Is cosmos hard to grow in Maputo?

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

What grows well with cosmos in Maputo?

In Maputo, 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 Maputo's Zone 10 climate.

Does cosmos need full sun in Maputo?

Cosmos requires full sun. In Maputo, 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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