Because business is like gardening

What is a great business endeavor all about? What makes a successful initiative in business? Why did Jack Welch carry out no more than 5 initiatives in 20 years? Because business is like gardening:

• one must saw the seeds at the right time
  
• accept to be as patient as required by the type of business one is starting
• take care of it daily
• cut branches that go nowhere
• ...

The metaphor could go on, but it would be pointless. Purpose here is to identify resources on the web that provide tools for the constant gardener...