Harvest Calculator
How much should you grow? Pick your crops and family size to find out.
Family size
Choose your crops
Your harvest plan
Select some crops above to see your personalised harvest plan.
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Frequently asked questions
How many tomato plants does a family of 4 need?
A family of 4 typically needs around 12 tomato plants. Each plant produces about 4 kg of tomatoes per season, giving you roughly 48 kg total. That is plenty for fresh eating, sauces and preserving.
How much garden bed space do I need to feed a family?
It depends on which crops you choose. A typical family of 4 growing 8-10 different vegetables needs roughly 20-40 square metres of bed space. Use the calculator above to get a personalised estimate based on your exact crop selection.
How much money can I save by growing my own vegetables?
Savings depend on what you grow. Herbs, leafy greens and tomatoes offer the best return. A family of 4 growing a diverse mix of vegetables can save $500-$2,000 or more per season compared to supermarket prices.
What are the easiest vegetables to grow for beginners?
Tomatoes, zucchini, silverbeet, lettuce, beans and herbs like basil are great starting points. They are productive, forgiving and give you quick wins in the garden.
How accurate is this harvest calculator?
The calculator provides realistic estimates based on average yields for Australian home gardens. Your actual results will vary based on soil quality, climate, watering, pest management and variety selection. Think of it as a solid starting point for planning.