🧅
Onion Companion Plants
Vegetable100 days to maturity
☀️
Sun
Full Sun
💧
Water
Medium
📏
Spacing
4" apart
🌱
Mature Size
4" wide
Best Companion Plants for Onion
These plants grow well alongside Onion, providing benefits like pest control, improved growth, and better pollination.
What Not to Plant With Onion
Avoid planting these near Onion. They can compete for resources, attract shared pests, or inhibit growth.
Growing Onion
Benefits
- ✓Deters many pests
- ✓Grows well with root vegetables
Deters
Carrot flyAphids
Plan Your Onion Garden
Use our interactive tools to design the perfect garden with Onion and its companions.