Companion planting

Who to plant next to what

Pick what you're planting and get its best partners first, plus what to keep well away. Covers all 1999 plants in the library (259 with species-specific pairings, the rest using category guidance).

I'm planting…

Choose a crop and you'll get a ranked list of what to plant beside it, what to keep apart, and why — proven species pairings first, general guidance after.

Compare two plants

PlantGood withKeep apartWhy it works
🌲Abies (Firs)
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌿Absinthe
HerbGeneral
Tomato
Pepper
Cabbage
Bean
Lettuce
Fennel
Most culinary herbs deter pests with aromatic oils and feed hoverflies and parasitic wasps when they flower.
🌳Acacia
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Acca sellowiana
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🍁Acer
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Achiote
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌸Aconitum barbatum
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌼Acrid Buttercup
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌿Actaea cimicifuga
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌿Actaea dahurica
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🍒Actaea rubra
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌿Actaea simplex
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🥝Actinidia arguta
FruitGeneral
Chive
Comfrey
Borage
Yarrow
Clover
Grass under the dripline
Under-plant with pollinator flowers and dynamic accumulators; keep turf out of the root zone.
🥝Actinidia chinensis
FruitGeneral
Chive
Comfrey
Borage
Yarrow
Clover
Grass under the dripline
Under-plant with pollinator flowers and dynamic accumulators; keep turf out of the root zone.
🌿Adam's Needle
HerbGeneral
Tomato
Pepper
Cabbage
Bean
Lettuce
Fennel
Most culinary herbs deter pests with aromatic oils and feed hoverflies and parasitic wasps when they flower.
🌳Adansonia digitata
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Adenanthera pavonina
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌸Adenophora bulleyana
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌼Adonis aestivalis
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌼Adonis amurensis
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌼Adonis vernalis
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌳Aegle marmelos
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Aesculus hippocastanum
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Aesculus pavia Northern
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Aesculus pavia Southern
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Aesculus sylvatica
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌲Afghan Pine
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌿African Basil
HerbGeneral
Tomato
Pepper
Cabbage
Bean
Lettuce
Fennel
Most culinary herbs deter pests with aromatic oils and feed hoverflies and parasitic wasps when they flower.
🌸African Dream Herb
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌺African Tuliptree
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳African Wattle
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌸Agapanthus praecox
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌿Agarita
HerbGeneral
Tomato
Pepper
Cabbage
Bean
Lettuce
Fennel
Most culinary herbs deter pests with aromatic oils and feed hoverflies and parasitic wasps when they flower.
🌸Agati
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌵Agave deserti
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
💠Ageratum
FlowerSpecific
Cutting garden
Vegetable borders
—Fuzzy blue blooms pull in butterflies and hoverflies.
🌸Ageratum conyzoides
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌸Ageratum houstonianum dwarf Blue Mink
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🌸Agrostemma
FlowerSpecific
Cottage garden
Wheat
—Old-world cornfield flower; slender pollinator draw.
🌸Aitchison's False Spirea
FlowerGeneral
Vegetable border
Tomato
Squash
Cucumber
Bean
—Border flowers pull in pollinators and predatory insects that hunt aphids, thrips, and caterpillars.
🍇Akebia quinata
FruitGeneral
Chive
Comfrey
Borage
Yarrow
Clover
Grass under the dripline
Under-plant with pollinator flowers and dynamic accumulators; keep turf out of the root zone.
🍇Akebia trifoliata
FruitGeneral
Chive
Comfrey
Borage
Yarrow
Clover
Grass under the dripline
Under-plant with pollinator flowers and dynamic accumulators; keep turf out of the root zone.
🍇Akebia x pentaphylla
FruitGeneral
Chive
Comfrey
Borage
Yarrow
Clover
Grass under the dripline
Under-plant with pollinator flowers and dynamic accumulators; keep turf out of the root zone.
🌳Alangium
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Albizia chinensis
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌸Albizia julibrissin
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Albizia lebbeck
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Albizia saman
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌳Alderleaf Mountain Mahogany
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.
🌲Aleppo Pine
TreeGeneral
Comfrey
Yarrow
Daffodil
Chive
Clover
Turfgrass under the dripline
Black walnut (juglone-sensitive species)
Guild the dripline with pollinator flowers, dynamic accumulators, and a nitrogen-fixing ground cover; keep sod away from the trunk.

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