If you live in one of the few rime - free domain of the country , you are fortunate to be able-bodied to grow a tremendous range of exotic fruits . In U.S. Department of Agriculture plant hardiness zone 10 , the ordinary minimum wintertime temperature is between 30 and 40 degrees . This think of it does n’t get cold enough to grow most of the deciduous fruit trees of temperate climate , but because it rarely freezes most Mediterranean , tropical and sub - tropic fruit tree can be grown . A surprising number of these are little enough to be suitable for container growing .
Mediterranean Fruits
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Fruit tree of Mediterranean origin are adapted to mild , wet winters and hot , dry summers . These are well adjust to the area of USDA zone 10 in California and the desert Southwest . Figs ( Ficus carica ) are a classic example that is hardy in USDA zones 6 through 11 . All Libyan Islamic Group varieties can be originate in containers — the constriction of their root actually causes them to farm even more fruit . Olives ( Olea europea ) grow in USDA zone 8 to 10 . Along with figs , they are very tolerant of root limitation and tolerate heavy pruning of top growth . Olives can grow to over 30 feet tall in the dry land , but can be hold as a little Sir Herbert Beerbohm Tree in container with yearly pruning .
Subtropical Fruits
Citrus is a turgid class of semitropic fruit that is easily grown in container . Most citrus species are either naturally overshadow Tree or are available in gnome variety . Lemons ( Citrus limon ) , limes ( Citrus aurantifolia ) and tangerines ( Citrus reticulata ) make particularly decent patio works , grow to only 6 or 8 foot tall in containers . They are all hardy in USDA geographical zone 9 to 11 , though tangerine can also be grown in USDA geographical zone 8b . Another significant , but lesser known , radical of small-scale , subtropical trees are guavas . They are ornamental tree that produce small , eatable fruit with a kitchen stove of exotic flavors . The Malus pumila guava ( genus Psidium guavaja ) has the largest fruit of the guavas , turn up to the sizing of a softball , while strawberry and Ananas comosus guavas ( Acca sellowiana ) are normally an in or two in diameter . These can be grown in USDA zones 9 to 11 , 9b to 10 and 8a to 11 , respectively .
Tropical Varieties
Truly tropical fruits can be grown in USDA geographical zone 10 . Most of these are yield on magnanimous trees that are not suitable for container growing , but there are a few exception . Bananas ( Musa spp . ) make dramatic container plants with their enormous tropical parting and huge racks of fruit . Papayas ( Carica Carica papaya ) go well with bananas on a poolside patio or other tropic - themed planting . These are really tree - like more than actual trees , usually fruit within 24 months of planting . Both ask copious amounts of water and fertilizer to grow and fruit well in a container and are hardy in USDA zona 9b to 11 .
Container Considerations
yield trees need the largest potential containers to grow well and bear yield . A 15 - gallon container is generally sufficient for the first duet of years , but finally they need to be graduated to a 25- or 30 - Imperial gallon container . Any material can be used — Mrs. Henry Wood , plastic and ceramic work as well . Wine barrels that have been contract in half and win over to planter are commonly uncommitted and are ideal for the purpose . ensure to put a 1- to 2 - inch layer of gravel in the bottom of the pot to facilitate good drainage and fill it with pot soil to within 4 inches of the brim . Add a 2 - column inch layer of mulch to help keep up soil moisture . The remaining space at the top of the quite a little can be filled with water whenever the top one one-half of soil becomes dry to keep the trees fresh and vivacious .
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