Both standard (single trunk) and multiple trunk trees are available. It is drought tolerant once established, and it is also fire and disease resistant as well. If lateral shoots above 30 inches have begun growth on the tree in the nursery, no pinching of the terminal is necessary. While foodies salivate at the thought of delectable olive, the messy fruit is a major nuisance in the landscape. The one issue is OLIVE DROP. 'Swan Hill': This varietal rarely produces fruits and is also pollen-free as a bonus. Durable and always low maintenance, the Swan Hill Olives tree elevates the image of any commercial development. Watering Needs: Once established, needs only occasional watering. Some of these cultivars are well-known such as Swan Hill, Majestic Beauty, and Wilsonii. In the spring, this tree produces insignificant yellowish-white, tubular blooms that grow in clusters at the end of the leaves. Maintenance Make your oasis even more luxurious and inviting without fruit dropping into pools or staining hardscape and furnishings, or excess pollen disturbing guests. Retail customers can purchase Swan Hill Olives trees for easy home delivery through Landscape Plant Source. Heat and cold hardy. More Information: . Growth Rate: Slow. Rarely produces pollen or fruits. Our trees are suitable for residential designs, commercial landscapes, and municipal projects. SwanHillOlives@DevilMountainNursery.com Olive pollen is also vilified because it causes allergy-sufferers weeks of agony in the spring. SLOW GROWING ROUNDED EVERGREEN BROADLEAF TREE, HEIGHT 15 TO 25 FEET SPREAD 15 TO 25 FEET, FULL SUN, REFLECTED HEAT OK HARDY TO ABOUT 15 DEGREES F, SOFT GRAY FOLIAGE ON ATTRACTIVE PLANT GREAT TOPIARY, TINY WHITE FLOWERS IN SPRING, PICTURESQUE MATURE TREE. FIRST SUMMER. These premium quality fruitless olive trees require a reach all fork lift or better yet a small to medium sized crane. Wilsonii fruitless olive trees are nearly fruitless and are useful, low-water trees for California landscapes. I have seen Wilsonii olive trees total fruitless and some totally covered in fruit. This intro to the Swan Hill Fruitless Olive tree begins with a recap of the Wilsonii Fruitless olive trees. 15 gallon sizes typically come approximately 3-4' tall. Olive trees are hardy to fifteen to twenty degrees Fahrenheit, enjoy full sun and reflected heat, and require little water. The species provides a Mediterranean feel and presentation in the landscape. Photo by Sen A. OHara. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Well adapted to turf and desert inspired designs. The term "fruitless" can be a bit of an overstatement and some homeowners are unpleasantly surprised when they see a handful of tiny olives forming on the branches. These are certified to ship to Florida, Texas, Arizona, throughout California, and Nevada. Though sometimes older mature trees will produce and drop some fruit ,but very minimal. As a result of its resilience and adaptation, this tree may survive for hundreds of years. We have reduced the risk of this devastating disease by grafting our Swan Hill Olives trees onto disease-resistant rootstock. Growth is slow to moderate. Our growing partners professionally grow and nurture Wilson and Swan Hill Fruitless Olive trees from the best specimens in Southern California. Seems like most nurseries in the PHX area sell the Wilsonii variety. Another option when it comes to preventing fruiting is applying a fruit-inhibiting spray containing ethylene. 'Wilsonii': These are beautiful, hardy trees, but they may in fact produce enough fruit to be noticeable. Fruiting types drop fruit, which will stain pavement and patios. Height: 25-30. Everything about this tree is dark - the green leaves the dark brown trunk. They can also be grown in large containers or planters. It also produces tree suckers and needs yearly pruning to maintain its interesting form. Fruitless olive trees spare you from all of these problems, while still maintaining the beauty and Mediterranean flair of true olive trees. These three factors qualify olive trees as adapted plants under the Californias green building code (CALGreen). Thank You! Foliage: Gray/Green. A long-lived ornamental variety providing colour and contrast to any garden year round with the added benefit of being a fruitless variety makes it ideal for streetscapes as there isn't the problem. Plant Type: Evergreen. The branch and twig borer, a type of beetle, will bore holes into the olive tree to lay its eggs. We have grown this cultivar for many years and we have been told that this plant is likely the same plant as the cultivar 'Wilsonii' - it has narrower leaves than Swan Hill Olive. The Majestic Beauty variety has soft gray-green, willowy foliage and features a smooth gray trunk that gnarls with age. They are generally hardy down to 15 degrees Fahrenheit, though they should not be kept at that temperature for very long at all. Botanical Name: Olea europa 'Swan Hill' STD; Common Name: Fruitless Olive; Exposure: Dimensions(HxW): We are happy to assist! OPEN Tuesday - Saturday, 8:00 am - 4:00 pm | Happy New Year's, Everyone! WILSONS FRUITLESS OLIVE (Olea europaea Wilsoni). wilsonii vs swan hill olive tree . A great selection for a screen or hedge, may also be kept as a single stand alone specimen. Unlike the Common European Olive, Swan Hill Olives trees yield little, if any, airborne pollen due to the formation of imperfect flowers. Wilsonii olive trees are popular and easy to grow evergreen shade trees. This feature has resulted in the Swan Hill fruitless olive tree becoming more popular. Fruitless Olive trees, known botanically as Olea europaea 'Wilsonii' or 'Swan Hill' are very similar to the Manzanillo trees and Mission Olive trees, but Olea europaea 'Wilsonii' does not bear fruit. Have a question you can't find an answer for? . This variety has a slow to moderate growth rate, eventually reaching a height and spread of 25 feet. Wilsonii olive trees are a famous and easy-to-grow tree that provides year-round shade. Native to Europe, they are very similar in appearance to fruiting olive trees (and are in fact a varietal of traditional olive trees), but there are few to no messy fruits produced to litter your yard. Shelter young plants from winter extremes. There are several issues you may have to deal with when growing a fruitless olive tree. Foliage Color: Gray - Green. It is drought tolerant once established, and it is also fire and disease resistant as well. Plan the perfect garden with our interactive tool , Urban Forest Ecosystems Institute: Swan Hill Olive, University of Arizona: Stopping Olive Trees From Fruiting, California Rare Fruit Growers Inc.: Olive, University of California Cooperative Extension: Olive Fruit Fly, University of California Statewide Integrated Pest Management Program: Olive Fruit Fly. If you suspect your tree is suffering from a fungal disease, it is best to take a sample to your local cooperative extension or a good nursery and ask them which disease it is and what is the best way of treating it. Learn which plants thrive in your Hardiness Zone with our new interactive map! Spraying needs to be timed to when the flowers are forming and is costly to apply every year, especially as the tree grows larger, so most people don't find this to be a very practical option. It may have a single trunk, but more often it has several. Price range from $120 for 15 gallon to $1,500 for 36 inch boxes. It is either a single- or multiple-trunk, has narrow, gray-green foliage with a light silvery-green on the undersides of the leaves. However, it is susceptible to Texas root rot. Prune out any twigs or branches with visible holes to prevent further damage. Light Needs: Full sun. Your message was successfully sent. Mature olive trees often develop contorted, massive trunks, and are quite interesting in appearance. Mailing Address: 12450 Highland Valley Road, Escondido CA 92025-2303. The Wilsonii will occasionally produce fruit but in smaller quantities than standards. Fruitless olive trees can handle a range of temperatures, from desert heat to a bit of cold, and can tolerate some short-term frost. The fruitless olive is a distinctive evergreen that grows at a slow to medium rate to twenty-five to thirty feet tall and wide, and has an airy appearance. Occasionally, a few fruit will develop on the branches, but the tree is essentially fruitless. The Wilsonii variety of fruitless olive was discovered in a Manzanillo olive grove. Adaptable to landscape themes ranging from classic lawn settings to desert inspired designs, and architectural styles from Tuscan to mid-century modern. A good goal is to plant your olive tree in a place that gets at least eight hours of sunight a day. They have been available in the industry for a long time. Botanical Name: Olea europaea 'Wilsonii'. Swan Hill Olives trees are grafted onto disease-resistant rootstock, resulting in a non-fruiting, pollenless tree with superior resistance to Verticillium wilt. The popular fruitless varieties 'Swan Hill', 'Majestic Beauty', and 'Wilsonii', are available in local garden centers. Our warm summers encourage fruit growth, and winter provides the necessary 200 to 300 chill hours (hours under 45F). Geographic Origin: Australia. There are a few different varietals of fruitless olive trees available on the market. This fruitless cultivar derives from the Manzanillo. Water your tree at its base and roots so you don't damage its delicate leaves. This fruitless variety does not produce fruit, eliminating any messy fruit drop, maintenance, and possible allergic reactions to pollen produced by the flowers. The olive tree, Olea europaea, is an evergreen tree or shrub native to Mediterranean Europe, Asia, and Africa. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Plant as a single specimen or en masse in residential, campus, public or commercial settings. An elegant addition to any estate. Their care is similar to that of a traditional olive tree, so as long as you live in the proper growing zone, you should have no issue tending to these Mediterranean beauties. Sizes: 5 Gallon, 15 Gallon . We offer sales of our trees starting in 24 boxes and up to 120 boxed specimen trees. Olive Tree used as a focal point in a formal garden setting. 4 years ago. Once established, the Fruitless olive tree requires very little water and can grow with a widespread, making this a great tree for use as a canopy tree for shade. She holds a Bachelor of Arts in urban and regional studies. wilsonii vs swan hill olive tree. Olive trees typically hail from the Mediterranean and produce small edible berries that are slightly bitter in taste. 24" boxes are approximately 5-6' tall by 2-3' wide. The crown is dense and has willowy gray-green foliage. Landscape architects can specify true multi-trunked trees, low-branched trees, or single-trunked standards depending on the effect needed for the site. This cultivar, which produces no fruit, is descended from the Manzanillo. They have pleasant gray-green foliage, a gnarled trunk and willowy young growth, but these characteristics may be hampered by unpleasant and messy fruit drop. I also like the attractive litter of leaves and twigs..it makes a nice natural mulch and is only a modest quantity. The two olive trees are very different in appeara. Choose Swan Hill Olives trees for your next project. Swan Hill olives are available in 24 to 60 boxes. August 14, 2021. However, they are minimal and you will not notice them when they have fallen from the tree. Fruitless olive trees are attractive shade trees that can be either single or multi-branched, with eye-catching, twisting, contorted trunks and an airy mass of gray-green leaves with silvery undersides. Please call us at (707) 544-4446. . Swan Hill olives are 100% fruitless and the character of the growth of the trees, foliage, trunk, branching, is very much like the traditional olive trees. I'll share my research for the CSE as I prepare for the exam. The Wilsonii olive tree is a non-fruiting specimen and will not produce the mess of olives without generating the pollen that aggravates many people with allergies. Olive trees in the landscape. Heat and drought tolerant once established. Medium canopy size. or email quotes@southcoastwholesale.com. Typically, these are the branches with flowers that will turn into olives. Native to the Mediterranean, it is ideally suited to thrive . 1898 - John Christopher Atkinson, 1814-1900 This manual provides detailed information for growers on production issues, plant nutrition, economics, pest and weed control, management of olive . And The Award for the Best Palm Trees For California Landscapes Goes To? Once your fruitless olive is established, it requires very little care. https://www.moonvalleynurseries.com/ruitless-olive, https://homeguides.sfgate.com/nonfruees-59290.html, https://deserthorizonnursery.com/plawan-hill-olive, My Swan Hill Fruitless Olive Isn't Growing. 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