diff --git a/Gemfile b/Gemfile
index 6d9a825cb7..d030384822 100644
--- a/Gemfile
+++ b/Gemfile
@@ -181,7 +181,7 @@ group :development, :test do
   gem 'rubocop-rspec_rails'
   gem 'webrat'                  # provides HTML matchers for view tests
 
-  gem 'crowdin-cli'             # for translations
+  gem 'crowdin-cli' # for translations
   gem 'dotenv-rails'
 
   # cli utils
diff --git a/Gemfile.lock b/Gemfile.lock
index 2e44f485d1..0ae96f8156 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -428,7 +428,7 @@ GEM
     mime-types (3.7.0)
       logger
       mime-types-data (~> 3.2025, >= 3.2025.0507)
-    mime-types-data (3.2025.0805)
+    mime-types-data (3.2025.0826)
     mimemagic (0.4.3)
       nokogiri (~> 1)
       rake
@@ -769,7 +769,6 @@ GEM
     zeitwerk (2.7.5)
 
 PLATFORMS
-  ruby
   x86_64-linux
 
 DEPENDENCIES
diff --git a/app/controllers/plantings_controller.rb b/app/controllers/plantings_controller.rb
index 2d7a26d17b..e3f6445639 100644
--- a/app/controllers/plantings_controller.rb
+++ b/app/controllers/plantings_controller.rb
@@ -89,7 +89,17 @@ def create
   end
 
   def update
-    @planting.update(planting_params)
+    if planting_params[:from_other_source] == 'true'
+      @planting.parent_seed_id = nil
+      @planting.from_other_source = true
+    end
+
+    if @planting.update(planting_params)
+      if planting_params[:finished].present? && @planting.garden.plantings.current.empty?
+        link = new_activity_path(name: 'Cultivate soil', garden_id: @planting.garden_id)
+        flash[:notice] = t('plantings.finished_prompt_html', link: link).html_safe
+      end
+    end
     respond_with @planting
   end
 
@@ -138,7 +148,7 @@ def planting_params
     params[:planted_at] = parse_date(params[:planted_at]) if params[:planted_at]
     params.require(:planting).permit(
       :crop_id, :description, :garden_id, :planted_at,
-      :parent_seed_id,
+      :parent_seed_id, :from_other_source,
       :quantity, :sunniness, :planted_from, :finished,
       :finished_at, :failed, :overall_rating
     )
diff --git a/app/models/planting.rb b/app/models/planting.rb
index 6b90bc3b8a..bca0d109b0 100644
--- a/app/models/planting.rb
+++ b/app/models/planting.rb
@@ -12,6 +12,8 @@ class Planting < ApplicationRecord
 
   friendly_id :planting_slug, use: %i(slugged finders)
 
+  attr_accessor :from_other_source
+
   # Constants
   SUNNINESS_VALUES = %w(sun semi-shade shade).freeze
   PLANTED_FROM_VALUES = [
diff --git a/app/views/plantings/show.html.haml b/app/views/plantings/show.html.haml
index 4ca71fc71d..9ec3155c18 100644
--- a/app/views/plantings/show.html.haml
+++ b/app/views/plantings/show.html.haml
@@ -36,6 +36,7 @@
       Is this from one of these plantings?
       - @matching_seeds.each do |seed|
         = f.radio_button :parent_seed_id, seed.id, label: seed
+      = f.radio_button :parent_seed_id, 'other', label: 'Other source'
       = f.submit "save", class: 'btn btn-sm'
 
 .planting
diff --git a/db/migrate/20250809205309_add_from_other_source_to_plantings.rb b/db/migrate/20250809205309_add_from_other_source_to_plantings.rb
new file mode 100644
index 0000000000..5a13907c47
--- /dev/null
+++ b/db/migrate/20250809205309_add_from_other_source_to_plantings.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddFromOtherSourceToPlantings < ActiveRecord::Migration[7.1]
+  def change
+    add_column :plantings, :from_other_source, :boolean
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 41c702c774..58c1804e5d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -897,6 +897,7 @@
     t.integer "harvests_count", default: 0
     t.integer "likes_count", default: 0
     t.boolean "failed", default: false, null: false
+    t.boolean "from_other_source"
     t.integer "overall_rating"
     t.index ["crop_id"], name: "index_plantings_on_crop_id"
     t.index ["garden_id"], name: "index_plantings_on_garden_id"
diff --git a/spec/features/plantings/show_spec.rb b/spec/features/plantings/show_spec.rb
index 95e23789d4..abf8807b78 100644
--- a/spec/features/plantings/show_spec.rb
+++ b/spec/features/plantings/show_spec.rb
@@ -92,6 +92,17 @@
         it { expect(page).to have_text 'Parent seed' }
         it { expect(page).to have_link href: planting_path(planting) }
       end
+
+      describe 'selecting other source' do
+        before do
+          choose 'Other source'
+          click_button 'save'
+        end
+
+        it "hides the seed source question" do
+          expect(page).to have_no_text 'Is this from one of these plantings?'
+        end
+      end
     end
   end
 end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index bd64cd3336..64e1a14ae8 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -20,8 +20,6 @@
   options = Selenium::WebDriver::Options.chrome
   options.add_argument("--headless")
   options.add_argument("--no-sandbox")
-  options.add_argument("--window-size=1920,1080")
-  options.add_argument("--disable-dev-shm-usage")
 
   # driver = Selenium::WebDriver.for :chrome, options: options