diff --git a/Gemfile b/Gemfile
index 2de2fefca..f1a524b0c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 ruby '2.2.4'
 
-gem 'rails', '4.1.11'
+gem 'rails', '~> 4.1.11'
 
 gem 'bundler', '>=1.1.5'
 
@@ -16,7 +16,7 @@ gem 'less-rails', '~> 2.5.0'
 # CSS framework
 gem 'less-rails-bootstrap', '~> 3.2.0'
 
-gem 'uglifier', '~> 2.5.3'         # JavaScript compressor
+gem 'uglifier', '~> 2.7.2'         # JavaScript compressor
 
 gem 'jquery-rails'
 gem 'jquery-ui-rails', '~> 5.0.2'
@@ -61,7 +61,7 @@ gem 'bluecloth'
 gem 'will_paginate', '~> 3.0'
 
 # user signup/login/etc
-gem 'devise', '~> 3.4.1'
+gem 'devise', '~> 3.5.0'
 
 # nicely formatted URLs
 gem 'friendly_id', '~> 5.0.4'
@@ -113,7 +113,7 @@ end
 
 group :development, :test do
   gem 'haml-rails'                      # HTML templating language
-  gem 'rspec-rails', '~> 3.1.0'         # unit testing framework
+  gem 'rspec-rails', '~> 3.4.0'         # unit testing framework
   gem 'rspec-activemodel-mocks'
   gem 'byebug'                          # debugging
   gem 'database_cleaner', '~> 1.5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8a6ac680d..6143e8f3c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,29 +20,29 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.11)
-      actionpack (= 4.1.11)
-      actionview (= 4.1.11)
+    actionmailer (4.1.15)
+      actionpack (= 4.1.15)
+      actionview (= 4.1.15)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.11)
-      actionview (= 4.1.11)
-      activesupport (= 4.1.11)
+    actionpack (4.1.15)
+      actionview (= 4.1.15)
+      activesupport (= 4.1.15)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.11)
-      activesupport (= 4.1.11)
+    actionview (4.1.15)
+      activesupport (= 4.1.15)
       builder (~> 3.1)
       erubis (~> 2.7.0)
     active_link_to (1.0.2)
       actionpack
-    activemodel (4.1.11)
-      activesupport (= 4.1.11)
+    activemodel (4.1.15)
+      activesupport (= 4.1.15)
       builder (~> 3.1)
-    activerecord (4.1.11)
-      activemodel (= 4.1.11)
-      activesupport (= 4.1.11)
+    activerecord (4.1.15)
+      activemodel (= 4.1.15)
+      activesupport (= 4.1.15)
       arel (~> 5.0.0)
-    activesupport (4.1.11)
+    activesupport (4.1.15)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -53,7 +53,7 @@ GEM
     autoprefixer-rails (5.1.1)
       execjs
       json
-    bcrypt (3.1.9)
+    bcrypt (3.1.11)
     better_errors (2.0.0)
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
@@ -132,7 +132,7 @@ GEM
     database_cleaner (1.5.0)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
-    devise (3.4.1)
+    devise (3.5.6)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 3.2.6, < 5)
@@ -162,7 +162,7 @@ GEM
       multi_json
     erubis (2.7.0)
     excon (0.43.0)
-    execjs (2.2.2)
+    execjs (2.6.0)
     factory_girl (4.5.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.5.0)
@@ -265,22 +265,22 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     lumberjack (1.0.9)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
+    mail (2.6.4)
+      mime-types (>= 1.16, < 4)
     memcachier (0.0.2)
     method_source (0.8.2)
-    mime-types (2.6.1)
+    mime-types (2.99.1)
     mimemagic (0.3.0)
-    mini_portile (0.6.1)
-    minitest (5.8.0)
+    mini_portile2 (2.0.0)
+    minitest (5.8.4)
     multi_json (1.11.2)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
     nenv (0.2.0)
     netrc (0.10.3)
     newrelic_rpm (3.9.8.273)
-    nokogiri (1.6.5)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.6.7.2)
+      mini_portile2 (~> 2.0.0.rc2)
     notiffany (0.0.6)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -320,15 +320,15 @@ GEM
     rack (1.5.5)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.1.11)
-      actionmailer (= 4.1.11)
-      actionpack (= 4.1.11)
-      actionview (= 4.1.11)
-      activemodel (= 4.1.11)
-      activerecord (= 4.1.11)
-      activesupport (= 4.1.11)
+    rails (4.1.15)
+      actionmailer (= 4.1.15)
+      actionpack (= 4.1.15)
+      actionview (= 4.1.15)
+      activemodel (= 4.1.15)
+      activerecord (= 4.1.15)
+      activesupport (= 4.1.15)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.11)
+      railties (= 4.1.15)
       sprockets-rails (~> 2.0)
     rails-i18n (4.0.3)
       i18n (~> 0.6)
@@ -338,13 +338,13 @@ GEM
       rails_stdout_logging
     rails_serve_static_assets (0.0.2)
     rails_stdout_logging (0.0.3)
-    railties (4.1.11)
-      actionpack (= 4.1.11)
-      activesupport (= 4.1.11)
+    railties (4.1.15)
+      actionpack (= 4.1.15)
+      activesupport (= 4.1.15)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.13.0)
-    rake (10.4.2)
+    rake (11.1.2)
     rb-fsevent (0.9.5)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
@@ -355,30 +355,31 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
-    rspec (3.1.0)
-      rspec-core (~> 3.1.0)
-      rspec-expectations (~> 3.1.0)
-      rspec-mocks (~> 3.1.0)
+    rspec (3.4.0)
+      rspec-core (~> 3.4.0)
+      rspec-expectations (~> 3.4.0)
+      rspec-mocks (~> 3.4.0)
     rspec-activemodel-mocks (1.0.1)
       activemodel (>= 3.0)
       activesupport (>= 3.0)
       rspec-mocks (>= 2.99, < 4.0)
-    rspec-core (3.1.7)
-      rspec-support (~> 3.1.0)
-    rspec-expectations (3.1.2)
+    rspec-core (3.4.4)
+      rspec-support (~> 3.4.0)
+    rspec-expectations (3.4.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.1.0)
-    rspec-mocks (3.1.3)
-      rspec-support (~> 3.1.0)
-    rspec-rails (3.1.0)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      railties (>= 3.0)
-      rspec-core (~> 3.1.0)
-      rspec-expectations (~> 3.1.0)
-      rspec-mocks (~> 3.1.0)
-      rspec-support (~> 3.1.0)
-    rspec-support (3.1.2)
+      rspec-support (~> 3.4.0)
+    rspec-mocks (3.4.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.4.0)
+    rspec-rails (3.4.2)
+      actionpack (>= 3.0, < 4.3)
+      activesupport (>= 3.0, < 4.3)
+      railties (>= 3.0, < 4.3)
+      rspec-core (~> 3.4.0)
+      rspec-expectations (~> 3.4.0)
+      rspec-mocks (~> 3.4.0)
+      rspec-support (~> 3.4.0)
+    rspec-support (3.4.1)
     ruby-units (1.4.5)
     ruby_parser (3.1.3)
       sexp_processor (~> 4.1)
@@ -407,7 +408,7 @@ GEM
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.3.2)
+    sprockets-rails (2.3.3)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
@@ -424,7 +425,7 @@ GEM
     tins (1.3.3)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (2.5.3)
+    uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     unf (0.1.4)
@@ -434,7 +435,7 @@ GEM
       kgio (~> 2.6)
       rack
       raindrops (~> 0.7)
-    warden (1.2.3)
+    warden (1.2.6)
       rack (>= 1.0)
     webrat (0.7.3)
       nokogiri (>= 1.2.0)
@@ -471,7 +472,7 @@ DEPENDENCIES
   csv_shaper
   dalli
   database_cleaner (~> 1.5.0)
-  devise (~> 3.4.1)
+  devise (~> 3.5.0)
   elasticsearch-model
   elasticsearch-rails
   factory_girl_rails (~> 4.5.0)
@@ -507,16 +508,19 @@ DEPENDENCIES
   poltergeist (~> 1.6)
   pry
   quiet_assets
-  rails (= 4.1.11)
+  rails (~> 4.1.11)
   rails_12factor
   rake (>= 10.0.0)
   rspec-activemodel-mocks
-  rspec-rails (~> 3.1.0)
+  rspec-rails (~> 3.4.0)
   ruby-units
   sass-rails (~> 4.0.4)
   selenium-webdriver
   therubyracer (~> 0.12)
-  uglifier (~> 2.5.3)
+  uglifier (~> 2.7.2)
   unicorn
   webrat
   will_paginate (~> 3.0)
+
+BUNDLED WITH
+   1.11.2
diff --git a/app/helpers/harvests_helper.rb b/app/helpers/harvests_helper.rb
index b4c5bead4..16371b4e9 100644
--- a/app/helpers/harvests_helper.rb
+++ b/app/helpers/harvests_helper.rb
@@ -38,8 +38,8 @@ module HarvestsHelper
   end
 
   def display_harvest_description(harvest)
-    if harvest.description.nil?
-      "no description provided."
+    if harvest.description.empty?
+      "No description provided."
     else
       truncate(harvest.description, length: 130, separator: ' ', omission: '... ') { link_to "Read more", harvest_path(harvest) }
     end
diff --git a/app/models/crop.rb b/app/models/crop.rb
index 2000ebfbb..fe593fe37 100644
--- a/app/models/crop.rb
+++ b/app/models/crop.rb
@@ -207,7 +207,7 @@ class Crop < ActiveRecord::Base
   def Crop.interesting
   howmany = 12 # max number to find
   interesting_crops = Array.new
-    Crop.randomized.each do |c|
+    Crop.includes(:photos).randomized.each do |c|
       break if interesting_crops.size == howmany
       next unless c.interesting?
       interesting_crops.push(c)
diff --git a/app/models/garden.rb b/app/models/garden.rb
index 0514f2a96..15bbaa9de 100644
--- a/app/models/garden.rb
+++ b/app/models/garden.rb
@@ -28,10 +28,14 @@ class Garden < ActiveRecord::Base
   scope :active, -> { where(:active => true) }
   scope :inactive, -> { where(:active => false) }
 
+  validates :location,
+    :length => { :maximum => 255 }
+
   validates :name,
     :format => {
       :with => /\S/
-    }
+    },
+    :length => { :maximum => 255 }
 
   validates :area,
     :numericality => {
diff --git a/app/models/harvest.rb b/app/models/harvest.rb
index 4339a30fa..7bbd2b6ee 100644
--- a/app/models/harvest.rb
+++ b/app/models/harvest.rb
@@ -24,6 +24,8 @@ class Harvest < ActiveRecord::Base
 
   validates :crop, :presence => {:message => "must be present and exist in our database"}
 
+  validates :plant_part, :presence => {:message => "must be present and exist in our database"}
+
   validates :quantity,
     :numericality => {
       :only_integer => false,
diff --git a/app/models/notification.rb b/app/models/notification.rb
index 3825d7b12..01f157df9 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -3,6 +3,8 @@ class Notification < ActiveRecord::Base
   belongs_to :recipient, :class_name => 'Member'
   belongs_to :post
 
+  validates :subject, :length => { :maximum => 255 }
+
   default_scope { order('created_at DESC') }
   scope :unread, -> { where(:read => false) }
 
diff --git a/app/models/planting.rb b/app/models/planting.rb
index 900156b2a..8ebc483f8 100644
--- a/app/models/planting.rb
+++ b/app/models/planting.rb
@@ -109,6 +109,26 @@ class Planting < ActiveRecord::Base
     end
   end
 
+  def planted?(current_date = Date.today)
+    planted_at.present? && current_date.to_date >= planted_at
+  end
+
+  def percentage_grown(current_date = Date.today)
+    return nil unless days_before_maturity && planted?(current_date)
+
+    days = (current_date.to_date - planted_at.to_date).to_i
+
+    return 0 if current_date < planted_at
+    return 100 if days > days_before_maturity
+    percent = (days/days_before_maturity*100).to_i
+
+    if percent >= 100
+      percent = 100
+    end
+
+    percent
+  end
+
   # return a list of interesting plantings, for the homepage etc.
   # we can't do this via a scope (as far as we know) so sadly we have to
   # do it this way.
@@ -116,7 +136,7 @@ class Planting < ActiveRecord::Base
     interesting_plantings = Array.new
     seen_owners = Hash.new(false) # keep track of which owners we've seen already
 
-    Planting.all.each do |p|
+    Planting.includes(:photos).each do |p|
       break if interesting_plantings.size == howmany # got enough yet?
       if require_photo
         next unless p.photos.present? # skip those without photos, if required
diff --git a/app/models/post.rb b/app/models/post.rb
index 3a1b372af..6aaf8b72d 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -41,7 +41,9 @@ class Post < ActiveRecord::Base
   validates :subject,
     :format => {
       :with => /\S/
-    }
+    },
+    :length => { :maximum => 255 }
+
 
   def author_date_subject
     # slugs are created before created_at is set
diff --git a/app/views/alternate_names/show.html.haml b/app/views/alternate_names/show.html.haml
index 06012457b..fc2b7b335 100644
--- a/app/views/alternate_names/show.html.haml
+++ b/app/views/alternate_names/show.html.haml
@@ -11,5 +11,5 @@
 
 - if can? :edit, @alternate_name
   = link_to 'Edit', edit_alternate_name_path(@alternate_name), :class => 'btn btn-default btn-xs'
-\|
+  \|
 = link_to 'Back', alternate_names_path
diff --git a/app/views/gardens/_form.html.haml b/app/views/gardens/_form.html.haml
index 09c3b99ef..74b33249d 100644
--- a/app/views/gardens/_form.html.haml
+++ b/app/views/gardens/_form.html.haml
@@ -11,7 +11,7 @@
   .form-group.required
     = f.label :name, :class => 'control-label col-md-2'
     .col-md-8
-      = f.text_field :name, :class => 'form-control'
+      = f.text_field :name, :class => 'form-control', :maxlength => 255, :required => "required"
 
   .form-group
     = f.label :description, :class => 'control-label col-md-2'
@@ -21,7 +21,7 @@
   .form-group
     = f.label :location, :class => 'control-label col-md-2'
     .col-md-8
-      = f.text_field :location, :value => @garden.location || current_member.location, :class => 'form-control', :placeholder => 'optional'
+      = f.text_field :location, :value => @garden.location || current_member.location, :class => 'form-control', :placeholder => 'optional', :maxlength => 255
       %span.help-block
         If you have a location set in your profile, it will be used when
         you create a new garden.
diff --git a/app/views/harvests/_form.html.haml b/app/views/harvests/_form.html.haml
index 5908b829e..34946cad1 100644
--- a/app/views/harvests/_form.html.haml
+++ b/app/views/harvests/_form.html.haml
@@ -13,7 +13,7 @@
     .col-md-4
       = auto_suggest @harvest, :crop, :class => 'form-control col-md-2', :default => @crop
     .col-md-4
-      = collection_select(:harvest, :plant_part_id, PlantPart.all, :id, :name, { :selected => @harvest.plant_part_id, :include_blank => 'e.g. fruit' }, { :class => 'form-control' })
+      = collection_select(:harvest, :plant_part_id, PlantPart.all, :id, :name, { :selected => @harvest.plant_part_id }, { :class => 'form-control', :prompt => 'e.g. fruit', :required => "required" })
     %span.help-block.col-md-8
       Can't find what you're looking for?
       = link_to "Request new crops.", new_crop_path
diff --git a/app/views/notifications/_form.html.haml b/app/views/notifications/_form.html.haml
index 6e73c7444..094be410d 100644
--- a/app/views/notifications/_form.html.haml
+++ b/app/views/notifications/_form.html.haml
@@ -13,7 +13,7 @@
     To:
     = link_to @recipient, @recipient
   = label_tag :notification, "Subject:"
-  = f.text_field :subject, :value => @subject, :class => 'form-control'
+  = f.text_field :subject, :value => @subject, :class => 'form-control', :maxlength => 255
   = label_tag :body, "Type your message here:"
   = f.text_area :body, :rows => 12, :class => 'form-control'
   %span.help-block
diff --git a/app/views/plantings/_planting_progress.html.haml b/app/views/plantings/_planting_progress.html.haml
index eea698c82..a9c851709 100644
--- a/app/views/plantings/_planting_progress.html.haml
+++ b/app/views/plantings/_planting_progress.html.haml
@@ -1,14 +1,10 @@
-- if (planting.planted_at.nil? || DateTime.now.to_date < planting.planted_at)
+- if !planting.planted?
 	= "Progress: 0% - not planted yet"
-	= render partial: "plantings/progress_bar", locals: {status: "warning", progress: "100%"}
 - elsif planting.finished?
 	= "Progress: 100%"
 	= render partial: "plantings/progress_bar", locals: {status: "success", progress: "100%"}
 - elsif planting.days_before_maturity.nil?
-	= "Progress: 0% - Days before maturity unknown"
-	= render partial: "plantings/progress_bar", locals: {status: "danger", progress: "100%"}
+	= "Progress: Not calculated, days before maturity unknown"
 - else
-	- if (percent = (((DateTime.now - planting.planted_at)/planting.days_before_maturity*100).to_i)) >= 100
-		- percent = 100
-	= "Progress: #{percent}%"
-	= render partial: "plantings/progress_bar", locals: {status: "success", progress: "#{percent}%"}
\ No newline at end of file
+	= "Progress: #{planting.percentage_grown}%"
+	= render partial: "plantings/progress_bar", locals: {status: "success", progress: "#{planting.percentage_grown}%"}
diff --git a/app/views/plantings/_thumbnail.html.haml b/app/views/plantings/_thumbnail.html.haml
index 9790cb127..df62f7a9c 100644
--- a/app/views/plantings/_thumbnail.html.haml
+++ b/app/views/plantings/_thumbnail.html.haml
@@ -38,4 +38,4 @@
       %dd= "#{display_days_before_maturity(planting)}"
 
   .col-xs-9.col-md-8
-    = render partial: 'plantings/planting_progress', locals: {:planting => planting}
\ No newline at end of file
+    = render partial: 'plantings/planting_progress', locals: {planting: planting}
diff --git a/app/views/posts/_form.html.haml b/app/views/posts/_form.html.haml
index 1ef7efb51..607b76bd8 100644
--- a/app/views/posts/_form.html.haml
+++ b/app/views/posts/_form.html.haml
@@ -8,7 +8,7 @@
 
   .form-group
     = label_tag :post, "Subject", :class => 'control-label'
-    = f.text_field :subject, :class => 'form-control', :autofocus => 'autofocus'
+    = f.text_field :subject, :class => 'form-control', :autofocus => 'autofocus', :maxlength => 255
 
   .form-group
     - if @post.forum || @forum
diff --git a/app/views/posts/index.html.haml b/app/views/posts/index.html.haml
index 4a5846f55..9eee54694 100644
--- a/app/views/posts/index.html.haml
+++ b/app/views/posts/index.html.haml
@@ -30,7 +30,7 @@
   - if @author
     Subscribe to
     = succeed "." do
-      = link_to "#{@author}'s posts RSS feed", posts_path(:format => 'rss')
+      = link_to "#{@author}'s posts RSS feed", posts_by_author_path(format: 'rss', author: @author)
 
   - else
     Subscribe to the #{ENV['GROWSTUFF_SITE_NAME']}
diff --git a/app/views/scientific_names/show.html.haml b/app/views/scientific_names/show.html.haml
index 1c0a76357..dffbdffc3 100644
--- a/app/views/scientific_names/show.html.haml
+++ b/app/views/scientific_names/show.html.haml
@@ -9,6 +9,8 @@
   %b Crop:
   = link_to @scientific_name.crop, @scientific_name.crop
 
-= link_to 'Edit', edit_scientific_name_path(@scientific_name), :class => 'btn btn-default btn-xs'
-\|
+
+- if can? :edit, @scientific_name
+  = link_to 'Edit', edit_scientific_name_path(@scientific_name), :class => 'btn btn-default btn-xs'
+  \|
 = link_to 'Back', scientific_names_path
diff --git a/spec/controllers/harvests_controller_spec.rb b/spec/controllers/harvests_controller_spec.rb
index f8f87042a..b1e6312cd 100644
--- a/spec/controllers/harvests_controller_spec.rb
+++ b/spec/controllers/harvests_controller_spec.rb
@@ -23,7 +23,8 @@ describe HarvestsController do
   def valid_attributes
     {
       :owner_id => subject.current_member.id,
-      :crop_id => FactoryGirl.create(:crop).id
+      :crop_id => FactoryGirl.create(:crop).id,
+      :plant_part_id => FactoryGirl.create(:plant_part).id
     }
   end
 
diff --git a/spec/controllers/member_controller_spec.rb b/spec/controllers/member_controller_spec.rb
index 55231ead8..4bd1f6826 100644
--- a/spec/controllers/member_controller_spec.rb
+++ b/spec/controllers/member_controller_spec.rb
@@ -62,12 +62,12 @@ describe MembersController do
     end
 
     it "doesn't show completely nonsense members" do
-      lambda { get :show, {:id => 9999} }.should raise_error
+      lambda { get :show, {:id => 9999} }.should raise_error(ActiveRecord::RecordNotFound)
     end
 
     it "doesn't show unconfirmed members" do
       @member2 = FactoryGirl.create(:unconfirmed_member)
-      lambda { get :show, {:id => @member2.id} }.should raise_error
+      lambda { get :show, {:id => @member2.id} }.should raise_error(ActiveRecord::RecordNotFound)
     end
 
   end
diff --git a/spec/features/harvests/harvesting_a_crop_spec.rb b/spec/features/harvests/harvesting_a_crop_spec.rb
index 802f67a4d..100bcc98f 100644
--- a/spec/features/harvests/harvesting_a_crop_spec.rb
+++ b/spec/features/harvests/harvesting_a_crop_spec.rb
@@ -3,6 +3,7 @@ require 'rails_helper'
 feature "Harvesting a crop", :js do
   let(:member) { create :member }
   let!(:maize) { create :maize }
+  let!(:plant_part) { create :plant_part }
 
   background do
     login_as member
@@ -26,7 +27,9 @@ feature "Harvesting a crop", :js do
   scenario "Creating a new harvest", :js do
     fill_autocomplete "crop", with: "mai"
     select_from_autocomplete "maize"
+
     within "form#new_harvest" do
+      select plant_part.name, from: 'harvest[plant_part_id]'
       fill_in "When?", with: "2014-06-15"
       fill_in "How many?", with: 42
       fill_in "Weighing (in total):", with: 42
@@ -61,6 +64,7 @@ feature "Harvesting a crop", :js do
     visit crop_path(maize)
     click_link "Harvest this"
     within "form#new_harvest" do
+      select plant_part.name, from: 'harvest[plant_part_id]'
       expect(page).to have_selector "input[value='maize']"
       click_button "Save"
     end
diff --git a/spec/features/plantings/planting_a_crop_spec.rb b/spec/features/plantings/planting_a_crop_spec.rb
index 753bbe457..fc255d313 100644
--- a/spec/features/plantings/planting_a_crop_spec.rb
+++ b/spec/features/plantings/planting_a_crop_spec.rb
@@ -42,7 +42,7 @@ feature "Planting a crop", :js do
     end
 
     expect(page).to have_content "Planting was successfully created"
-    expect(page).to have_content "Progress: 0% - Days before maturity unknown"
+    expect(page).to have_content "Progress: Not calculated, days before maturity unknown"
   end
 
   scenario "Clicking link to owner's profile" do
@@ -53,16 +53,19 @@ feature "Planting a crop", :js do
 
   describe "Progress bar status on planting creation" do
     before do
-      DateTime.stub(:now) { DateTime.new(2015, 10, 20, 10, 34) }
       login_as member
       visit new_planting_path
+
+      @a_past_date = 15.days.ago.strftime("%Y-%m-%d")
+      @right_now = Date.today.strftime("%Y-%m-%d")
+      @a_future_date = 1.years.from_now.strftime("%Y-%m-%d")
     end
 
     it "should show that it is not planted yet" do
       fill_autocomplete "crop", with: "mai"
       select_from_autocomplete "maize"
       within "form#new_planting" do
-        fill_in "When", with: "2015-12-15"
+        fill_in "When", with: @a_future_date
         fill_in "How many?", with: 42
         select "cutting", from: "Planted from:"
         select "semi-shade", from: "Sun or shade?"
@@ -78,7 +81,7 @@ feature "Planting a crop", :js do
       fill_autocomplete "crop", with: "mai"
       select_from_autocomplete "maize"
       within "form#new_planting" do
-        fill_in "When", with: "2015-9-15"
+        fill_in "When", with: @a_past_date
         fill_in "How many?", with: 42
         select "cutting", from: "Planted from:"
         select "semi-shade", from: "Sun or shade?"
@@ -87,7 +90,7 @@ feature "Planting a crop", :js do
       end
 
       expect(page).to have_content "Planting was successfully created"
-      expect(page).to have_content "Progress: 0% - Days before maturity unknown"
+      expect(page).to have_content "Progress: Not calculated, days before maturity unknown"
       expect(page).to have_content "Days until maturity: unknown"
     end
 
@@ -95,25 +98,25 @@ feature "Planting a crop", :js do
       fill_autocomplete "crop", with: "mai"
       select_from_autocomplete "maize"
       within "form#new_planting" do
-        fill_in "When", with: "2015-10-15"
+        fill_in "When", with: @right_now
         fill_in "How many?", with: 42
         select "cutting", from: "Planted from:"
         select "semi-shade", from: "Sun or shade?"
         fill_in "Tell us more about it", with: "It's rad."
-        fill_in "Finished date", with: "2015-10-30"
+        fill_in "Finished date", with: @a_future_date
         click_button "Save"
       end
 
       expect(page).to have_content "Planting was successfully created"
       expect(page).to_not have_content "Progress: 0% - not planted yet"
-      expect(page).to_not have_content "Progress: 0% - Days before maturity unknown"
+      expect(page).to_not have_content "Progress: Not calculated, days before maturity unknown"
     end
 
     it "should show that planting is 100% complete (no date specified)" do
       fill_autocomplete "crop", with: "mai"
       select_from_autocomplete "maize"
       within "form#new_planting" do
-        fill_in "When", with: "2015-10-15"
+        fill_in "When", with: @right_now
         fill_in "How many?", with: 42
         select "cutting", from: "Planted from:"
         select "semi-shade", from: "Sun or shade?"
@@ -132,12 +135,12 @@ feature "Planting a crop", :js do
       fill_autocomplete "crop", with: "mai"
       select_from_autocomplete "maize"
       within "form#new_planting" do
-        fill_in "When", with: "2015-10-15"
+        fill_in "When", with: @a_past_date
         fill_in "How many?", with: 42
         select "cutting", from: "Planted from:"
         select "semi-shade", from: "Sun or shade?"
         fill_in "Tell us more about it", with: "It's rad."
-        fill_in "Finished date", with: "2015-10-19"
+        fill_in "Finished date", with: @right_now
         click_button "Save"
       end
 
@@ -169,13 +172,13 @@ feature "Planting a crop", :js do
 
   scenario "Editing a planting to fill in the finished date" do
     visit planting_path(planting)
-    expect(page).to have_content "Progress: 0% - Days before maturity unknown"
+    expect(page).to have_content "Progress: Not calculated, days before maturity unknown"
     click_link "Edit"
     check "finished"
     fill_in "Finished date", with: "2015-06-25"
     click_button "Save"
     expect(page).to have_content "Planting was successfully updated"
-    expect(page).to_not have_content "Progress: 0% - Days before maturity unknown"
+    expect(page).to_not have_content "Progress: Not calculated, days before maturity unknown"
   end
 
   scenario "Marking a planting as finished" do
diff --git a/spec/models/planting_spec.rb b/spec/models/planting_spec.rb
index 659636c5e..dfccd8352 100644
--- a/spec/models/planting_spec.rb
+++ b/spec/models/planting_spec.rb
@@ -37,16 +37,62 @@ describe Planting do
     Planting.first.should eq @planting2
   end
 
+  describe '#planted?' do
+    it "should be false for future plantings"
+    it "should be false for never planted"
+    it "should be false for future plantings"
+  end
+
+  describe '#percentage_grown' do
+    it 'should not be more than 100%' do
+      @planting = FactoryGirl.build(:planting, days_before_maturity: 1, planted_at: 1.day.ago)
+
+      now_later_than_planting = 2.days.from_now
+
+      @planting.percentage_grown(now_later_than_planting).should be 100
+    end
+
+    it 'should not be less than 0%' do
+      @planting = FactoryGirl.build(:planting, days_before_maturity: 1, planted_at: 1.day.ago)
+
+      now_earlier_than_planting = 2.days.ago
+
+      @planting.percentage_grown(now_earlier_than_planting).should be nil
+    end
+
+    it 'should reflect the current growth' do
+      @planting = FactoryGirl.build(:planting, days_before_maturity: 10, planted_at: 4.days.ago)
+
+      @planting.percentage_grown(Date.today).should be 40
+    end
+
+    it 'should not be calculated for unplanted plantings' do
+      @planting = FactoryGirl.build(:planting, planted_at: nil)
+
+      @planting.planted?.should be false
+      @planting.percentage_grown.should be nil
+    end
+
+    it 'should not be calculated for plantings with an unknown days before maturity' do
+      @planting = FactoryGirl.build(:planting, days_before_maturity: nil)
+
+      @planting.percentage_grown.should be nil    
+    end
+  end
+
   context 'delegation' do
     it 'system name' do
       planting.crop_name.should eq planting.crop.name
     end
+
     it 'wikipedia url' do
       planting.crop_en_wikipedia_url.should eq planting.crop.en_wikipedia_url
     end
+
     it 'default scientific name' do
       planting.crop_default_scientific_name.should eq planting.crop.default_scientific_name
     end
+
     it 'plantings count' do
       planting.crop_plantings_count.should eq planting.crop.plantings_count
     end
@@ -267,13 +313,11 @@ describe Planting do
         @f = FactoryGirl.build(:planting, :planted_at => '2013-01-01', :finished_at => nil)
         @f.should be_valid
       end
+
       it 'allows just the finished date' do
         @f = FactoryGirl.build(:planting, :finished_at => '2013-01-01', :planted_at => nil)
         @f.should be_valid
       end
-
     end
-
   end
-
-end
+end
\ No newline at end of file
diff --git a/spec/views/scientific_names/show.html.haml_spec.rb b/spec/views/scientific_names/show.html.haml_spec.rb
index c16fbe444..a36646658 100644
--- a/spec/views/scientific_names/show.html.haml_spec.rb
+++ b/spec/views/scientific_names/show.html.haml_spec.rb
@@ -28,6 +28,19 @@ describe "scientific_names/show" do
     render
     # Run the generator again with the --webrat flag if you want to use webrat matchers
     rendered.should match(/Zea mays/)
-    rendered.should match(@scientific_name.id.to_s)
+  end
+
+  context 'signed in' do
+
+    before :each do
+      @wrangler = FactoryGirl.create(:crop_wrangling_member)
+      sign_in @wrangler
+      controller.stub(:current_user) { @wrangler }
+      render
+    end
+
+    it 'should have an edit button' do
+      rendered.should have_content 'Edit'
+    end
   end
 end