Care & Maintenance of an Orange Tree. Use a 5-gallon (3.7-liter) container that has good drainage. You will also find out some of the best miniature and dwarf varieties of trees that grow citrus fruit. Reaching heights of between 8 and 10 ft. (2.4 – 3 m), these mini citrus trees produce clusters of delicious citrus fruits. Love the aroma of orange blossoms and the delicious fruit, but perhaps your climate is less than desirable for an outdoor orange tree grove? © Copyright 2020 Hearst Communications, Inc. However, with the proper pruning, you can restrict the height or shape of the tree to suit your small garden landscape or patio. To care for an indoor lime tree, follow the care tips for growing citrus trees. During periods of sustained freezing weather, trees can be protected by covering them with a tarp or blankets. Older trees need 1/2 cup of ammonium sulfate per application for every year of tree age, up to a maximum of 4 cups. A citrus formula fertilizer can also be used according to label directions. This type of soil not only provides a steady supply of nutrients; it helps excess water to drain away. The roots prevent the tree from becoming too tall, but you still get regular-sized fruit. The potted tree has glossy green foliage and produces sweet, tangy lemons. You can also grow potted citrus trees outside on a balcony, patio, terraces, or deck area. Also the minimum size of pot or container to grow fruit trees indoors or outdoors is 1 ft. by 1 ft. (30 cm by 30 cm), so make sure you choose a large enough container to accommodate your dwarf citrus tree. Dwarf varieties of citrus trees growing in pots need a lot of sunshine. Also, their evergreen leaves provide color all year long as well as a dash of yellow, orange, or lime when the fruits ripen. If temps return to normal the next day, be sure to uncover the orange. You can get healthy organic soil by mixing one-third potting soil, one-third organic matter, and one-third peat. Growing lemons trees indoors in pots make for excellent houseplants. Chelated zinc or iron sprays applied directly to the foliage provide the missing minerals. This will ensure better fruit size, prevent alternate bearing and better overall tree health. Citrus trees need between 6 and 8 hours of sunlight daily, 12 hours of sunshine is even better. For potting medium, there are numerous thoughts, but the prevailing opinion is to select one that is well-draining. Winterize your tree by ending fertilization after July. To get the best type of soil for your potted citrus tree, use a loamy soil mix with peat moss or leaf mold. A layer of decorative pebbles can help keep the soil moist. The addition of some heavy-duty coaster or wheels is a good idea as well. The essential nutrients for dwarf citrus plants are nitrogen and potassium. Persian limes are an ideal houseplant for their evergreen glossy green leaves and delicious small aromatic green citrus fruits. These small bushy citrus trees produce small orange citrus fruits in winter. Before deciding where to plant a citrus tree in your small garden landscape, ensure that water doesn’t gather there. Sustained temperatures below freezing damage young trees, flowers and fruit quickly; but mature orange trees are cold hardy to 25 degrees Fahrenheit or lower. Due to their small and compact growth, dwarf citrus trees are an excellent choice for growing in yards that have limited space. Color is not the best indicator of when to pick fruit, as ripe citrus often have green spots. Your local garden center should have organic, slow-release citrus fertilizers. You can move the potted citrus plants indoors during cold winter months. To get your containerized orange tree off on the right footing, you need the correct potting soil mix and the correct size pot. However, you still need to feed it so feed half as often during this time. Avoid placing the container near drafts, hot radiators, or furnaces. Orange trees need full sun and well-drained soil to thrive. Look for dwarf citrus cultivars that grow well indoors. To avoid stressing a potted citrus tree when moving from indoors to outdoors, there a few tips to ensure success. Dropped Leaves In The Winter. You need a sturdy terracotta, ceramic, wooden, or even plastic container. With proper care, some miniature potted citrus plants also grow exceptionally well indoors. You should have a healthy citrus tree with few problems if you ensure that the soil never dries out, it’s in a sunny position, and is away from direct heat and drafts. One of the beauties of Meyer’s dwarf lemon trees is that they produce fruit throughout the year. Fertilize your new orange tree using a Vitamin B-1 rooting tonic once it has been potted. Native to China and India, oranges (Citrus sinensis) have been cultivated in the United States since the early 1700s. You can use a slow release fertilizer to make sure that your potted citrus tree gets consistent nutrients. Fertilization after July promotes late, tender shoots that are susceptible to cold damage. Also, if space is limited in your backyard, a dwarf lime tree can be used as a specimen tree or evergreen shelter. Either repot the tree to a larger container or remove it and trim the roots, returning it to the original pot with fresh potting soil. Established trees need water every week or two, depending on the weather and soil type. If you live in warm climates, dwarf citrus trees are perfect for a small backyard or colorful garden landscape. Some dwarf kumquat tree cultivars include ‘Nagami,’ ‘Fukushu,’ ‘Meiwa,’ and ‘Marumi.’. Waterlogged soil can cause leaves to fall off and affect growth. A young dwarf citrus tree produces fruit a few years earlier than regular fruit trees. When your orange tree is outdoors for the summer, the ideal maximum temperature is 86° F (30° C) with a minimum temperature of 46° F (8° C). Diane Watkins has been writing since 1984, with experience in newspaper, newsletter and Web content. Regular watering is the key to caring for your small citrus tree properly. Dwarf citrus trees require the same maintenance and care as standard-sized trees, and they still bear normal sized fruits that taste the same as their big counterpart trees. Drill drainage holes in the bottom and put a layer of clay pebbles on the bottom. Citrus fruit begins to turn orange in the fall, but they are not fully ripe until later in the winter, depending on the variety. This guide will also give you the best tips on growing an indoor lemon, orange, or lime tree. Read on to find out. 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