Garden Guide
Garden Guide for Singapore, Tropical Southeast Asia
Singapore is located in tropical climate zone 13b, characterised by high temperatures and humidity year-round. Soils are often clayey or sandy and can be nutrient-poor due to heavy rainfall. Good drainage and regular nutrient supply are therefore crucial for successful gardening.
Thanks to Singapore's frost-free climate zone 13b, you can plant all year round! For example, you can sow and harvest garden lettuce from March to September, while tomatoes are best started indoors from March to April. Basil thrives when started indoors from March to July, and spring onions can be sown from September to December.
There is practically no frost in Singapore. You can garden year-round, the calendar shows the most reliable growing windows.
Also applies to: Kuala Lumpur, Johor Bahru, Batam, Malacca, George Town, Bandar Seri Begawan
Plan your Singapore garden in the Fryd appPlanting Calendar
When to start indoors, sow outdoors, and harvest in Singapore. Frost-free climate: the windows are a guide, many crops can be sown beyond them too.
| Crop | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Tomato (Bush tomato) ●●● ●●○ ●●● | |
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| Tomato (Cocktail bush tomato) ●●● ●●○ ●●● | |
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| Pepper / Paprika ●●● ●●○ ●●● | |
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| Aubergine / Eggplant ●●● ●●● ●●● | |
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| Chili ●●● ●●○ ●●● | |
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| Cucumber / Gherkin ●●● ●●○ ●●● | |
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| Courgette / Zucchini ●●● ●●● ●●● | |
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| Melon (Watermelon) ●●● ●●○ ●●● | |
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| Melon (Sugar melon) ●●● ●●● ●●● | |
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| Basil ●●● ●●○ ●●● | |
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| Chard ●●○ ●●○ ●●○ | |
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| Spinach (Summer) ●○○ ●●● ●●○ | |
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| Lettuce (Lettuce) ●●○ ●●○ ●●○ | |
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| Onion (Spring onion) ●●● ●●○ ●●○ | |
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| Onion ●●● ●●○ ●●○ | |
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| Garlic ●●● ●●○ ●○○ | |
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| Bean (Dwarf bean) ●●● ●●○ ●○○ | |
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| Bean (Runner bean) ●●● ●●○ ●○○ | |
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| Strawberry ●●● ●●○ ●●● | |
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| Sweet potato ●●● ●●○ ●●● | |
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Planting Calendar Singapore
- Tomato (Bush tomato): Start indoors Mar - Apr, Sowing May - Jun, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: high)
- Tomato (Cocktail bush tomato): Start indoors Mar - Apr, Sowing May - Jun, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: high)
- Pepper / Paprika: Start indoors Feb - Mar, Sowing May - Jun, Harvest Jul - Oct (Light: high, Water: medium, Nutrients: high)
- Aubergine / Eggplant: Start indoors Mar - May, Sowing May - Jun, Harvest Jun - Sep (Light: high, Water: high, Nutrients: high)
- Chili: Start indoors Jan - Mar, Sowing May - Jul, Harvest Jul - Oct (Light: high, Water: medium, Nutrients: high)
- Cucumber / Gherkin: Start indoors Apr - May, Sowing May - Jun, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: high)
- Courgette / Zucchini: Start indoors Mar - May, Sowing May - Jun, Harvest Jun - Oct (Light: high, Water: high, Nutrients: high)
- Melon (Watermelon): Start indoors Apr - May, Sowing May - Jun, Harvest Jul - Sep (Light: high, Water: medium, Nutrients: high)
- Melon (Sugar melon): Start indoors Mar - May, Sowing May - Jul, Harvest Aug - Oct (Light: high, Water: high, Nutrients: high)
- Basil: Start indoors Mar - Jul, Sowing May - Jul, Harvest May - Oct (Light: high, Water: medium, Nutrients: high)
- Chard: Start indoors Jan - Apr, Sowing Mar - Jun, Harvest May - Nov (Light: medium, Water: medium, Nutrients: medium)
- Spinach (Summer): Sowing Mar - May, Harvest Apr - Jul (Light: low, Water: high, Nutrients: medium)
- Lettuce (Lettuce): Start indoors Feb - Aug, Sowing Mar - Sep, Harvest Mar - Nov (Light: medium, Water: medium, Nutrients: medium)
- Onion (Spring onion): Start indoors Jul - Oct, Sowing Sep - Dec (Light: high, Water: medium, Nutrients: medium)
- Onion: Start indoors Jan - Feb, Sowing Mar - Apr, Harvest Jul - Sep (Light: high, Water: medium, Nutrients: medium)
- Garlic: Sowing Sep - Nov, Harvest Jun - Aug (Light: high, Water: medium, Nutrients: low)
- Bean (Dwarf bean): Start indoors Apr - May, Sowing May - Jul, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: low)
- Bean (Runner bean): Start indoors Apr - May, Sowing May - Jul, Harvest Jun - Oct (Light: high, Water: medium, Nutrients: low)
- Strawberry: Start indoors Feb - Apr, Sowing Mar - Jun, Harvest May - Oct (Light: high, Water: medium, Nutrients: high)
- Sweet potato: Start indoors Mar - May, Sowing May - Jun, Harvest Sep - Oct (Light: high, Water: medium, Nutrients: high)
Based on Fryd planting data for Zone 13b, 2026.
Companion Planting for Singapore
Plants that thrive together in Tropical Southeast Asia.
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Onion + Tomato (Bush tomato)
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Onion + Tomato (Cocktail bush tomato)
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Garlic + Pepper / Paprika
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Cucumber / Gherkin + Pepper / Paprika
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Spinach (Summer) + Aubergine / Eggplant
Plan companions visually
Drag and drop crops in the Fryd bed planner to see companion matches.
Try Fryd →Growing Tips for Singapore
Growing in a Tropical Climate
Ensure adequate watering, especially during drier periods, but avoid waterlogging. Many plants benefit from some shade during the midday heat to prevent leaf scorch.
Soil Improvement
Singapore's often nutrient-poor soil greatly benefits from compost and organic matter. This sustainably improves the structure, water retention, and nutrient supply for your plants.
Heat-Loving Crops
Plants like courgette, aubergine, and melons love the warmth and need a sunny spot and nutrient-rich soil. Make sure they have enough space and support them with trellises if needed.
Year-Round Harvest Planning
Take advantage of year-round growing by staggering your sowings. This way, you can continuously harvest fresh vegetables like lettuce or beans and make the most of your garden beds.
Common Pests & Diseases
Dealing with Aphids
Aphids are common pests that multiply quickly. Spray affected plants with soapy water or introduce beneficial insects like ladybirds to control them naturally.
Keeping Snails Away
Snails can be a nuisance in humid climates. Regularly pick them off, set up snail traps, or protect young plants with snail fences or coffee grounds.
Preventing Fungal Diseases
Due to high humidity, fungal diseases are common. Ensure good air circulation, avoid overhead watering, and remove affected leaves immediately to prevent spread.
Identifying Spider Mites
Spider mites are tiny pests that spin fine webs and damage leaves. Regularly spray plants with water to increase humidity, or use neem oil as a natural remedy.
Frequently Asked Questions
When should I plant tomatoes in Singapore?
Tomatoes can be grown year-round in Singapore since there's no frost. Starting them indoors from March to April is ideal, with harvests then occurring from June to October.
What climate zone is Singapore in?
Singapore is in climate zone 13b, a tropical zone. This means temperatures are high year-round, allowing for frost-free cultivation.
Which vegetables grow best in Singapore?
Many heat-loving vegetables like aubergines, courgettes, beans, cucumbers, and various types of lettuce thrive here. Herbs like basil are also very well-suited.
Is there frost in Singapore?
No, there is no frost in Singapore. The climate is tropical, hot, and humid, which allows for year-round cultivation without worrying about cold temperatures.
