Fruit trees can be grown on any tile in the exterior region of the greenhouse that is unoccupied by decorations, so long as other tiles adjacent to each tree are empty of items the player has placed there. Neither the greenhouse walls nor the wood border around the crop rectangle alone impede fruit tree growth. Fruit Trees cannot be planted in the corners of the Greenhouse.
By planting fruit trees adjacent to the wood border, it It is possible to grow as many as 18 fruit trees inside the greenhouse. One possible optimal placement is displayed in the image that follows. Note that the two left sprinklers should not be added until the adjacent fruit trees have fully grown (and matured 3 years, if iridium quality fruit is desired)shown below.
<gallery mode=packed heights=200px>
Optimalgreenhousefinal.png|6 [[Iridium Sprinkler]]s and 18 [[Fruit Trees]] placed to maximize planting space and trees.
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By planting fruit trees along the wall, one avoids any concerns during the growth period over the placement of sprinklers that exist on the wood border. By starting from the north corners and planting as closely as possible towards the water can in the center, a total of six trees can be placed on the north side. Duplicate that technique for the south side for another six trees. Then fill in the east and west with four more trees each, for a total of 20.
<gallery mode=packed heights=240px>
Greenhouse21Trees.png|One possible arrangement allowing for 6 [[Iridium Sprinkler]]s and 20 [[Fruit Trees]]
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==Gallery==
