diff --git a/app/controllers/admin/crop_companions_controller.rb b/app/controllers/admin/crop_companions_controller.rb
new file mode 100644
index 000000000..1ca9122a8
--- /dev/null
+++ b/app/controllers/admin/crop_companions_controller.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+module Admin
+  class CropCompanionsController < AdminController
+    before_action :set_crop
+
+    def index
+      @crop_companions = @crop.crop_companions
+    end
+
+    def new
+      @crop_companion = @crop.crop_companions.new
+    end
+
+    def create
+      @crop_companion = @crop.crop_companions.new(crop_companion_params)
+      if @crop_companion.save
+        redirect_to admin_crop_crop_companions_path(@crop), notice: 'Companion was successfully created.'
+      else
+        render :new
+      end
+    end
+
+    def destroy
+      @crop_companion = @crop.crop_companions.find(params[:id])
+      @crop_companion.destroy
+      redirect_to admin_crop_crop_companions_path(@crop), notice: 'Companion was successfully destroyed.'
+    end
+
+    private
+
+    def set_crop
+      @crop = Crop.find_by!(slug: params[:crop_slug])
+    end
+
+    def crop_companion_params
+      params.require(:crop_companion).permit(:crop_b_id, :source_url)
+    end
+  end
+end
diff --git a/app/models/ability.rb b/app/models/ability.rb
index 9d80af4cf..4bce19085 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -76,6 +76,7 @@ class Ability
     if member.role? :crop_wrangler
       can :wrangle, Crop
       can :manage, Crop
+      can :manage, CropCompanion
       can :manage, ScientificName
       can :manage, AlternateName
       can :openfarm, Crop
diff --git a/app/models/crop.rb b/app/models/crop.rb
index eb7285891..a647c766f 100644
--- a/app/models/crop.rb
+++ b/app/models/crop.rb
@@ -153,6 +153,12 @@ class Crop < ApplicationRecord
     where(["lower(crops.name) = :value", { value: name.downcase }])
   end
 
+  def all_companions
+    return companions unless parent
+
+    (companions + parent.companions).uniq
+  end
+
   private
 
   def count_uses_of_property(col_name)
diff --git a/app/views/admin/crop_companions/index.html.haml b/app/views/admin/crop_companions/index.html.haml
new file mode 100644
index 000000000..79d3a8706
--- /dev/null
+++ b/app/views/admin/crop_companions/index.html.haml
@@ -0,0 +1,16 @@
+%h1= "Companions for #{@crop.name}"
+
+= link_to 'New Companion', new_admin_crop_crop_companion_path(@crop), class: 'btn btn-primary'
+
+%table.table
+  %thead
+    %tr
+      %th Name
+      %th Source URL
+      %th Actions
+  %tbody
+    - @crop_companions.each do |companion|
+      %tr
+        %td= companion.crop_b.name
+        %td= companion.source_url
+        %td= link_to 'Delete', admin_crop_crop_companion_path(@crop, companion), method: :delete, data: { confirm: 'Are you sure?' }
diff --git a/app/views/admin/crop_companions/new.html.haml b/app/views/admin/crop_companions/new.html.haml
new file mode 100644
index 000000000..d060afd04
--- /dev/null
+++ b/app/views/admin/crop_companions/new.html.haml
@@ -0,0 +1,6 @@
+%h1= "New Companion for #{@crop.name}"
+
+= bootstrap_form_for [:admin, @crop, @crop_companion] do |f|
+  = f.collection_select :crop_b_id, Crop.order(:name), :id, :name, { label: 'Companion' }
+  = f.text_field :source_url, label: 'Source URL'
+  = f.submit 'Create'
diff --git a/app/views/crops/_wrangle.html.haml b/app/views/crops/_wrangle.html.haml
index 10ce04bdc..92dd9c3b3 100644
--- a/app/views/crops/_wrangle.html.haml
+++ b/app/views/crops/_wrangle.html.haml
@@ -14,6 +14,10 @@
           = icon 'far', 'update'
           Fetch data from GBIF
 
+        = link_to admin_crop_crop_companions_path(crop), class: 'dropdown-item' do
+          = icon 'fas', 'leaf'
+          Manage Companions
+
         - if can? :destroy, crop
           .dropdown-divider
           = delete_button(crop, classes: 'dropdown-item text-danger')
diff --git a/app/views/crops/show.html.haml b/app/views/crops/show.html.haml
index 25edfc4c8..5ab1525b8 100644
--- a/app/views/crops/show.html.haml
+++ b/app/views/crops/show.html.haml
@@ -24,10 +24,10 @@
     %section.prediction
       = cute_icon
       = render 'predictions', crop: @crop
-    - if @crop.companions.any?
+    - if @crop.all_companions.any?
       %section.companions
         %h2 Companions
-        - @crop.companions.each do |companion|
+        - @crop.all_companions.each do |companion|
           = render 'crops/tiny', crop: companion
 
     %section.photos
diff --git a/config/routes.rb b/config/routes.rb
index 3b68bc8f1..0cb18fb3f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -138,6 +138,9 @@ Rails.application.routes.draw do
   namespace :admin do
     resources :members, param: :slug
     resources :roles
+    resources :crops, param: :slug do
+      resources :crop_companions
+    end
   end
 
   namespace :api do
diff --git a/db/migrate/20231026120000_add_source_url_to_crop_companions.rb b/db/migrate/20231026120000_add_source_url_to_crop_companions.rb
new file mode 100644
index 000000000..b552c495b
--- /dev/null
+++ b/db/migrate/20231026120000_add_source_url_to_crop_companions.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddSourceUrlToCropCompanions < ActiveRecord::Migration[6.1]
+  def change
+    add_column :crop_companions, :source_url, :string
+  end
+end