▶ Succession Planting - How to Harvest More From Your Vegetable Garden - YouTube Sowing or planting into gaps left behind after a crop is harvested is known as succession planting. Filling gaps as soon as crops are harvested will maximize the amount of food you can grow, making your garden space even more valuable and helping to reduce weed growth. In this video we explain how to plan succession crops and which crops are best for growing this way.