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Way Grow Cherries in a Greenhouse

How Do You Grow Cherries in Greenhouses? With Cherry Trees!

You might imagine it would not be feasible to grow cherries in a greenhouse and if you are thinking of standard cherry trees, you would be right. Those trees grow to be twenty-five to thirty-five feet high. Even semi-dwarf trees would be too tall. However, dwarf and miniature trees can be grown in greenhouses that are twelve to fifteen feet high.

Selecting Your Cherry Trees

Dwarf cherry trees grow from eight to ten feet high, though some varieties can grow up to fifteen feet high. You will want to be sure of the expected maximum height of the trees you select so your trees will not grow too tall. About ten feet is the tallest you want for dwarf trees. Miniature trees grow up to eight feet tall and are more suited for greenhouse growing for this reason.

How many trees you have room for in your greenhouse will have an impact on what kind of trees you choose. The majority of sweet cherry trees need to have two trees for pollination.

  • They do not have to be the same variety but do need to be compatible for pollination.
  • Now days, there are a few varieties of sweet cherry trees that do not need another tree for pollination.
  • Sour cherries, also called tart or pie cherries, are self-pollinators so only one tree is required.
  • If you only want one tree, choose a sour cherry variety or find a self-pollinating variety of sweet cherry.
  • If you plan to have two or more trees in your greenhouse, your options will be less limited.

Determining How Many Trees Your Greenhouse Can Support

  1. Before you purchase the materials, be sure of how many trees your greenhouse will hold.
  2. To find this out, mark the floor of the greenhouse with a circle eight to ten foot in diameter for each tree. Allow a little extra room between the circles and the walls of the greenhouse.
  3. They should not be too crowded.
  4. The number of circles you can make inside your greenhouse is the number of trees it will support.
  5. Leaving the circles marked will serve as a guide in planting the cherry trees as they will be planted in the center of each circle.

Planting and Caring for Your Trees

When you are ready to plant the trees, plant them in the same manner as you would outdoors. Miniature and dwarf trees can sometimes be grown in very large containers but it may be better to plant them in the ground if your greenhouse has a dirt floor.

  • Your plants will need good drainage so water soaks in properly and doesn’t stand too long.
  • Since the trees won’t benefit from rain as they would outside, closer attention to watering will be needed.

Fertilizing can be done the same as for orchard trees, though it will be more control than would be the case outdoors.

  • When planting the trees, you can add a small amount of bone meal to the hole before placing the tree in it.
  • Approximately three weeks after the tree is planted and the soil is well settled, you can fertilize around the tree spaced about eighteen to twenty-four inches from the trunk with about half a pound of 10-10-10.
  • Until the tree is mature enough to bear fruit, you can fertilize it each spring using about a quarter of a pound of 10-10-10 toward the end of April and the same again toward the end of May.

Once the plants are mature enough to bear fruit, do not fertilize until fruit has set.

  • Then use a pound and a half of 10-10-10 or one pound of calcium nitrate.
  • When fertilizing, always spread the fertilizer around the tree at about eighteen to twenty-four inches from the trunk, not right at the base of the trunk.

Cherry plants, as well as most other fruit tree farmyards, will need at least three month of dormancy each year to remain healthy and bear good crops of fruit.

In November or December, open up the greenhouse so it becomes cold enough inside for the trees to become dormant. When the plant has had at least three months of dormancy, you can close up the greenhouse to let it warm up again. Pruning should be done during the dormant period.

There are a number of advantages to growing cherries in a greenhouse.

Pest control is much easier as it is a more controlled environment.

  1. With fewer pests, pesticides may not be needed at all. In orchards, each individual orchid plant are subject to frost damage in the Spring.
  2. When they are getting ready to bloom or are blooming, in a greenhouse, it is much easier to protect the vulnerable buds and blossoms from frost, ensuring a good crop of cherries.
  3. If you are wondering how to grow cherries in a greenhouse in a region where it is too hot to grow them outside, it can be done.
  4. You will need a cooling system in your greenhouse to keep the temperature cooler than is normal for your region.