diff --git a/app/controllers/charts/gardens_controller.rb b/app/controllers/charts/gardens_controller.rb
new file mode 100644
index 000000000..8b67bc106
--- /dev/null
+++ b/app/controllers/charts/gardens_controller.rb
@@ -0,0 +1,16 @@
+module Charts
+  class GardensController < ApplicationController
+    respond_to :json
+    def timeline
+      @data = []
+      @garden = Garden.find(params[:garden_id])
+      @garden.plantings.where.not(planted_at: nil)
+        .order(finished_at: :desc).each do |p|
+        # use finished_at if we have it, otherwise use predictions
+        finish = p.finished_at.presence || p.finish_predicted_at
+        @data << [p.crop.name, p.planted_at, finish] if finish.present?
+      end
+      render json: @data
+    end
+  end
+end
diff --git a/app/controllers/gardens_controller.rb b/app/controllers/gardens_controller.rb
index a61d6cf88..ede5c2602 100644
--- a/app/controllers/gardens_controller.rb
+++ b/app/controllers/gardens_controller.rb
@@ -1,5 +1,5 @@
 class GardensController < ApplicationController
-  before_action :authenticate_member!, except: %i(index show timeline)
+  before_action :authenticate_member!, except: %i(index show)
   after_action :expire_homepage, only: %i(create delete)
   load_and_authorize_resource
   respond_to :html, :json
@@ -58,18 +58,6 @@ class GardensController < ApplicationController
     redirect_to(gardens_by_owner_path(owner: @garden.owner))
   end
 
-  def timeline
-    @data = []
-    @garden = Garden.find(params[:garden_id])
-    @garden.plantings.where.not(planted_at: nil)
-      .order(finished_at: :desc).each do |p|
-      # use finished_at if we have it, otherwise use predictions
-      finish = p.finished_at.presence || p.finish_predicted_at
-      @data << [p.crop.name, p.planted_at, finish] if finish.present?
-    end
-    render json: @data
-  end
-
   private
 
   def garden_params
diff --git a/config/routes.rb b/config/routes.rb
index 133a1b89f..f1588fa17 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -28,7 +28,7 @@ Growstuff::Application.routes.draw do
   get '/plantings/crop/:crop' => 'plantings#index', as: 'plantings_by_crop'
 
   resources :gardens do
-    get 'timeline' => 'gardens#timeline'
+    get 'timeline' => 'charts/gardens#timeline'
   end
   get '/gardens/owner/:owner' => 'gardens#index', as: 'gardens_by_owner'
 
diff --git a/spec/controllers/charts/crops_controller_spec b/spec/controllers/charts/crops_controller_spec
new file mode 100644
index 000000000..5a4aa6548
--- /dev/null
+++ b/spec/controllers/charts/crops_controller_spec
@@ -0,0 +1,19 @@
+require 'rails_helper'
+
+describe Charts::CropsController do
+  describe 'GET charts' do
+    let(:crop) { FactoryBot.create :crop }
+    describe 'sunniness' do
+      before { get :sunniness, crop_id: crop.to_param }
+      it { expect(response).to be_success }
+    end
+    describe 'planted_from' do
+      before { get :planted_from, crop_id: crop.to_param }
+      it { expect(response).to be_success }
+    end
+    describe 'harvested_for' do
+      before { get :harvested_for, crop_id: crop.to_param }
+      it { expect(response).to be_success }
+    end
+  end
+end
diff --git a/spec/controllers/charts/gardens_controller_spec.rb b/spec/controllers/charts/gardens_controller_spec.rb
new file mode 100644
index 000000000..daa50a811
--- /dev/null
+++ b/spec/controllers/charts/gardens_controller_spec.rb
@@ -0,0 +1,23 @@
+require 'rails_helper'
+
+describe Charts::GardensController do
+  include Devise::Test::ControllerHelpers
+  let(:valid_params) { { name: 'My second Garden' } }
+
+  let(:garden) { FactoryBot.create :garden }
+  context "when not signed in" do
+    describe 'GET timeline' do
+      before { get :timeline, garden_id: garden.to_param }
+      it { expect(response).to be_success }
+    end
+  end
+  context "when signed in" do
+    before(:each) { sign_in member }
+
+    let!(:member) { FactoryBot.create(:member) }
+    describe 'GET timeline' do
+      before { get :timeline, garden_id: garden.to_param }
+      it { expect(response).to be_success }
+    end
+  end
+end
diff --git a/spec/controllers/crops_controller_spec.rb b/spec/controllers/crops_controller_spec.rb
index 9e54307bf..5b682f6c2 100644
--- a/spec/controllers/crops_controller_spec.rb
+++ b/spec/controllers/crops_controller_spec.rb
@@ -46,20 +46,4 @@ describe CropsController do
       it { expect(response.content_type).to eq("application/rss+xml") }
     end
   end
-
-  describe 'GET charts' do
-    let(:crop) { FactoryBot.create :crop }
-    describe 'sunniness' do
-      before { get :sunniness, crop_id: crop.to_param }
-      it { expect(response).to be_success }
-    end
-    describe 'planted_from' do
-      before { get :planted_from, crop_id: crop.to_param }
-      it { expect(response).to be_success }
-    end
-    describe 'harvested_for' do
-      before { get :harvested_for, crop_id: crop.to_param }
-      it { expect(response).to be_success }
-    end
-  end
 end
diff --git a/spec/controllers/gardens_controller_spec.rb b/spec/controllers/gardens_controller_spec.rb
index 073d03d6b..2e31f2d78 100644
--- a/spec/controllers/gardens_controller_spec.rb
+++ b/spec/controllers/gardens_controller_spec.rb
@@ -14,10 +14,6 @@ RSpec.describe GardensController, type: :controller do
       before { put :create, garden: valid_params }
       it { expect(response).to redirect_to(new_member_session_path) }
     end
-    describe 'GET timeline' do
-      before { get :timeline, garden_id: garden.to_param }
-      it { expect(response).to be_success }
-    end
     describe 'changing existing records' do
       before do
         allow(Garden).to receive(:find).and_return(:garden)
@@ -46,11 +42,6 @@ RSpec.describe GardensController, type: :controller do
 
     let!(:member) { FactoryBot.create(:member) }
 
-    describe 'GET timeline' do
-      before { get :timeline, garden_id: garden.to_param }
-      it { expect(response).to be_success }
-    end
-
     describe "for another member's garden" do
       let(:not_my_garden) { double('garden') }