
Companion plants for Petunia
34 partners scored across pest control, nitrogen, root depth, shade and spacing.
Best partners
Baby's BreathGreat pair- Baby's Breath attracts Hoverflies, which prey on the Aphids and Thrips that attack Petunia
- Baby's Breath roots deep while Petunia feeds near the surface — no competition
- Petunia acts as living mulch, keeping soil moist and weeds down around Baby's Breath
- Great pair
- Common Vetch attracts Ladybirds and Parasitic wasps, which prey on the Aphids and Whitefly that attack Petunia
- Common Vetch fixes nitrogen in the soil that Petunia feeds on
- Petunia acts as living mulch, keeping soil moist and weeds down around Common Vetch
- Great pair
- English Lavender suppresses pests that trouble Petunia
- Petunia draws Bees and Bumblebees and more that improve pollination for both
- English Lavender roots deep while Petunia feeds near the surface — no competition
- Great pair
- Hairy Vetch attracts Ladybirds and Parasitic wasps, which prey on the Aphids and Whitefly that attack Petunia
- Hairy Vetch fixes nitrogen in the soil that Petunia feeds on
- Petunia acts as living mulch, keeping soil moist and weeds down around Hairy Vetch
- Great pair
- Petunia draws Bees and Bumblebees and more that improve pollination for both
- round leaf lavender roots deep while Petunia feeds near the surface — no competition
- Petunia acts as living mulch, keeping soil moist and weeds down around round leaf lavender
- Great pair
- Sainfoin attracts Ladybirds and Parasitic wasps, which prey on the Aphids and Whitefly that attack Petunia
- Sainfoin fixes nitrogen in the soil that Petunia feeds on
- Sainfoin roots deep while Petunia feeds near the surface — no competition
- Great pair
- Petunia draws Bees and Bumblebees and more that improve pollination for both
- Spanish lavender roots deep while Petunia feeds near the surface — no competition
- Petunia acts as living mulch, keeping soil moist and weeds down around Spanish lavender
- Great pair
- Winged bean fixes nitrogen in the soil that Petunia feeds on
- Petunia draws Bees and Bumblebees and more that improve pollination for both
- Winged bean roots deep while Petunia feeds near the surface — no competition
- Great pair
- Bird's-foot Trefoil attracts Ladybirds and Parasitic wasps, which prey on the Aphids and Whitefly that attack Petunia
- Bird's-foot Trefoil fixes nitrogen in the soil that Petunia feeds on
- Petunia draws Bees and Bumblebees and more that improve pollination for both
- Great pair
- Chaytor's Lavender attracts Hoverflies and Parasitic wasps, which prey on the Aphids and Whitefly and more that attack Petunia
- Petunia draws Bees and Bumblebees and more that improve pollination for both
- Chaytor's Lavender roots deep while Petunia feeds near the surface — no competition
Also works well
Keep apart

Black Sage releases compounds that inhibit Petunia

Black Walnut releases compounds that inhibit Petunia

Fennel releases compounds that inhibit Petunia
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