diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b43c0d134..156c83eba 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,7 +2,7 @@ Thanks for contributing to Growstuff!  We have different contribution
 guidelines depending on whether your change is a small one (a one-line
 bugfix or similar) or a larger one.
 
-## Small changes (no more than a couple of lines)
+## Small changes
 
 Send us a pull request!  We will get one of our pairs of coders to
 review it.
@@ -14,8 +14,9 @@ wiki](http://wiki.growstuff.org/) for more information.
 ## Larger changes
 
 Growstuff does pair programming (two coders working together) for all
-significant changes.  This means that if you submit a pull request and
-weren't working in a pair, we can't merge it into the project as-is.
+new features and other significant changes.  This means that if you
+submit a pull request and weren't working in a pair, we're unlikely to
+merge it into the project as-is.
 
 If you would like to work on any larger change, we would appreciate it
 if you would get in touch with us, preferably via our [mailing
@@ -26,9 +27,9 @@ The [Growstuff wiki](http://wiki.growstuff.org/) has lots more
 information on our dev process, to get you started if you would like to
 join us.
 
-If you submit a significant change without working in a pair, we will
-treat your work as an experimental "spike" and get one of our pairs of
+If you submit a larger change without working in a pair, we will treat
+your work as an experimental "spike" and get one of our pairs of
 programmers to look over it and maybe use what you've done as the basis
-for re-implementing it using our processes.  **We'd much rather work with
-you, so please talk to us first!**
+for re-implementing it using our processes.  **We'd much rather work
+with you, so please talk to us first!**
 
diff --git a/app/models/crop.rb b/app/models/crop.rb
index acb04d6d5..06b504274 100644
--- a/app/models/crop.rb
+++ b/app/models/crop.rb
@@ -43,4 +43,24 @@ class Crop < ActiveRecord::Base
     return photos.first
   end
 
+  def sunniness
+    sunniness = Hash.new(0)
+    plantings.each do |p|
+      if !p.sunniness.blank?
+        sunniness[p.sunniness] += 1
+      end
+    end
+    return sunniness
+  end
+
+  def planted_from
+    planted_from = Hash.new(0)
+    plantings.each do |p|
+      if !p.planted_from.blank?
+        planted_from[p.planted_from] += 1
+      end
+    end
+    return planted_from
+  end
+
 end
diff --git a/app/views/crops/show.html.haml b/app/views/crops/show.html.haml
index 84f2bcc6d..bc52a5133 100644
--- a/app/views/crops/show.html.haml
+++ b/app/views/crops/show.html.haml
@@ -14,6 +14,16 @@
         = succeed ":" do
           = @crop.system_name
         != @crop.varieties.map{ |c| link_to c, c }.join(", ")
+    - if @crop.planted_from.length > 0
+      %p
+        Plant from:
+        - planted_from = @crop.planted_from.sort_by {|s, freq| freq }.reverse
+        = planted_from.map {|s, freq| "#{s} (#{freq})" }.join(", ")
+    - if @crop.sunniness.length > 0
+      %p
+        Plant in:
+        - sunniness = @crop.sunniness.sort_by {|s, freq| freq }.reverse
+        = sunniness.map {|s, freq| "#{s} (#{freq})" }.join(", ")
 
     %p
       - if @crop.plantings_count > 0
diff --git a/spec/factories/planting.rb b/spec/factories/planting.rb
index 963b7a2b0..58f67f653 100644
--- a/spec/factories/planting.rb
+++ b/spec/factories/planting.rb
@@ -5,7 +5,29 @@ FactoryGirl.define do
     planted_at Date.today
     quantity 33
     description "This is a *really* good plant."
-    sunniness 'sun'
-    planted_from 'seed'
+
+    factory :seed_planting do
+      planted_from 'seed'
+    end
+
+    factory :seedling_planting do
+      planted_from 'seedling'
+    end
+
+    factory :cutting_planting do
+      planted_from 'cutting'
+    end
+
+    factory :sunny_planting do
+      sunniness 'sun'
+    end
+
+    factory :semi_shady_planting do
+      sunniness 'semi-shade'
+    end
+
+    factory :shady_planting do
+      sunniness 'shade'
+    end
   end
 end
diff --git a/spec/models/crop_spec.rb b/spec/models/crop_spec.rb
index 3184d236e..6c66d2399 100644
--- a/spec/models/crop_spec.rb
+++ b/spec/models/crop_spec.rb
@@ -79,4 +79,64 @@ describe Crop do
       @crop.default_photo.should be_an_instance_of Photo
     end
   end
+
+  context 'sunniness' do
+    before(:each) do
+      @crop = FactoryGirl.create(:tomato)
+    end
+
+    it 'returns a hash of sunniness values' do
+      planting1 = FactoryGirl.create(:sunny_planting, :crop => @crop)
+      planting2 = FactoryGirl.create(:sunny_planting, :crop => @crop)
+      planting3 = FactoryGirl.create(:semi_shady_planting, :crop => @crop)
+      planting4 = FactoryGirl.create(:shady_planting, :crop => @crop)
+      @crop.sunniness.should be_an_instance_of Hash
+    end
+
+    it 'counts each sunniness value' do
+      planting1 = FactoryGirl.create(:sunny_planting, :crop => @crop)
+      planting2 = FactoryGirl.create(:sunny_planting, :crop => @crop)
+      planting3 = FactoryGirl.create(:semi_shady_planting, :crop => @crop)
+      planting4 = FactoryGirl.create(:shady_planting, :crop => @crop)
+      @crop.sunniness.should == { 'sun' => 2, 'shade' => 1, 'semi-shade' => 1 }
+    end
+
+    it 'ignores unused sunniness values' do
+      planting1 = FactoryGirl.create(:sunny_planting, :crop => @crop)
+      planting2 = FactoryGirl.create(:sunny_planting, :crop => @crop)
+      planting3 = FactoryGirl.create(:semi_shady_planting, :crop => @crop)
+      @crop.sunniness.should == { 'sun' => 2, 'semi-shade' => 1 }
+    end
+  end
+
+  context 'planted_from' do
+    before(:each) do
+      @crop = FactoryGirl.create(:tomato)
+    end
+
+    it 'returns a hash of sunniness values' do
+      planting1 = FactoryGirl.create(:seed_planting, :crop => @crop)
+      planting2 = FactoryGirl.create(:seed_planting, :crop => @crop)
+      planting3 = FactoryGirl.create(:seedling_planting, :crop => @crop)
+      planting4 = FactoryGirl.create(:cutting_planting, :crop => @crop)
+      @crop.planted_from.should be_an_instance_of Hash
+    end
+
+    it 'counts each planted_from value' do
+      planting1 = FactoryGirl.create(:seed_planting, :crop => @crop)
+      planting2 = FactoryGirl.create(:seed_planting, :crop => @crop)
+      planting3 = FactoryGirl.create(:seedling_planting, :crop => @crop)
+      planting4 = FactoryGirl.create(:cutting_planting, :crop => @crop)
+      @crop.planted_from.should == { 'seed' => 2, 'seedling' => 1, 'cutting' => 1 }
+    end
+
+    it 'ignores unused planted_from values' do
+      planting1 = FactoryGirl.create(:seed_planting, :crop => @crop)
+      planting2 = FactoryGirl.create(:seed_planting, :crop => @crop)
+      planting3 = FactoryGirl.create(:seedling_planting, :crop => @crop)
+      @crop.planted_from.should == { 'seed' => 2, 'seedling' => 1 }
+    end
+  end
+
+
 end
diff --git a/spec/models/planting_spec.rb b/spec/models/planting_spec.rb
index 406d01f4b..607a2b920 100644
--- a/spec/models/planting_spec.rb
+++ b/spec/models/planting_spec.rb
@@ -74,6 +74,10 @@ describe Planting do
   end
 
   context 'sunniness' do
+    before(:each) do
+      @planting = FactoryGirl.create(:sunny_planting)
+    end
+
     it 'should have a sunniness value' do
       @planting.sunniness.should eq 'sun'
     end
@@ -94,6 +98,7 @@ describe Planting do
 
   context 'planted from' do
     it 'should have a planted_from value' do
+      @planting = FactoryGirl.create(:seed_planting)
       @planting.planted_from.should eq 'seed'
     end
 
diff --git a/spec/views/crops/show.html.haml_spec.rb b/spec/views/crops/show.html.haml_spec.rb
index 104c63647..91ec7546d 100644
--- a/spec/views/crops/show.html.haml_spec.rb
+++ b/spec/views/crops/show.html.haml_spec.rb
@@ -6,15 +6,7 @@ describe "crops/show" do
     @crop = FactoryGirl.create(:maize,
       :scientific_names => [ FactoryGirl.create(:zea_mays) ]
     )
-    @owner    = FactoryGirl.create(:member)
-    @garden   = FactoryGirl.create(:garden, :owner => @owner)
-    @planting = FactoryGirl.create(:planting,
-      :garden => @garden,
-      :crop => @crop
-    )
-
     assign(:crop, @crop)
-
   end
 
   it "shows the wikipedia URL" do
@@ -28,18 +20,80 @@ describe "crops/show" do
     rendered.should contain "Zea mays"
   end
 
-  it "links to people who are growing this crop" do
+  it "shows a plant this button" do
     render
-    rendered.should contain /member\d+/
-    rendered.should contain "Springfield Community Garden"
+    rendered.should contain "Plant this"
   end
 
-  it "shows photos where available" do
-    @planting = FactoryGirl.create(:planting, :crop => @crop)
-    @photo = FactoryGirl.create(:photo)
-    @planting.photos << @photo
+  it "links to the right crop in the planting link" do
     render
-    assert_select "img", :src => @photo.thumbnail_url
+    assert_select("a[href=#{new_planting_path}?crop_id=#{@crop.id}]")
+
+  context "has plantings" do
+    before(:each) do
+      @owner    = FactoryGirl.create(:member)
+      @garden   = FactoryGirl.create(:garden, :owner => @owner)
+      @planting = FactoryGirl.create(:planting,
+        :garden => @garden,
+        :crop => @crop
+      )
+    end
+
+    it "doesn't show sunniness if none are set" do
+      render
+      rendered.should_not contain "Plant in:"
+    end
+
+    it "shows sunniness frequencies" do
+      FactoryGirl.create(:sunny_planting, :crop => @crop)
+      render
+      rendered.should contain "Plant in:"
+      rendered.should contain "sun (1)"
+    end
+
+    it "shows multiple sunniness frequencies" do
+      FactoryGirl.create(:sunny_planting, :crop => @crop)
+      FactoryGirl.create(:sunny_planting, :crop => @crop)
+      FactoryGirl.create(:shady_planting, :crop => @crop)
+      render
+      rendered.should contain "Plant in:"
+      rendered.should contain "sun (2), shade (1)"
+    end
+
+    it "doesn't show planted_from if none are set" do
+      render
+      rendered.should_not contain "Plant from:"
+    end
+
+    it "shows planted_from frequencies" do
+      FactoryGirl.create(:seed_planting, :crop => @crop)
+      render
+      rendered.should contain "Plant from:"
+      rendered.should contain "seed (1)"
+    end
+
+    it "shows multiple planted_from frequencies" do
+      FactoryGirl.create(:seed_planting, :crop => @crop)
+      FactoryGirl.create(:seed_planting, :crop => @crop)
+      FactoryGirl.create(:cutting_planting, :crop => @crop)
+      render
+      rendered.should contain "Plant from:"
+      rendered.should contain "seed (2), cutting (1)"
+    end
+
+    it "links to people who are growing this crop" do
+      render
+      rendered.should contain /member\d+/
+      rendered.should contain "Springfield Community Garden"
+    end
+
+    it "shows photos where available" do
+      @photo = FactoryGirl.create(:photo)
+      @planting.photos << @photo
+      render
+      assert_select "img", :src => @photo.thumbnail_url
+    end
+
   end
 
   context 'varieties' do
diff --git a/spec/views/plantings/show.html.haml_spec.rb b/spec/views/plantings/show.html.haml_spec.rb
index 9e1c74d24..c4d58cc3a 100644
--- a/spec/views/plantings/show.html.haml_spec.rb
+++ b/spec/views/plantings/show.html.haml_spec.rb
@@ -17,6 +17,11 @@ describe "plantings/show" do
   end
 
   context 'sunniness' do
+    before(:each) do
+      @p = assign(:planting,
+        FactoryGirl.create(:sunny_planting)
+      )
+    end
 
     it "shows the sunniness" do
       render
@@ -34,6 +39,10 @@ describe "plantings/show" do
   end
 
   context 'planted from' do
+    before(:each) do
+      @p = assign(:planting, FactoryGirl.create(:seed_planting))
+    end
+
     it "shows planted_from" do
       render
       rendered.should contain 'Planted from:'