Companion planting calculator
See which vegetables — tomatoes included — grow well together and which ones compete for nutrients, light, or root space, before you commit bed space to them. Search or click below to build your list.
Also free
This calculator's free. So is a full account.
Create a free SproutGuide account to automatically place your chosen crops in a bed with companion conflicts avoided for you, plus track every planting's history, harvests, and photos over time — still no cost, ever.
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Companion planting basics
- Good companions can deter pests, improve pollination, or make efficient use of light and root depth
- Bad companions typically compete for the same nutrients, attract shared pests, or release growth-inhibiting compounds
- Tomatoes are one of the most companion-sensitive crops in a home garden — basil and carrots are classic allies; brassicas and fennel are classic conflicts