Feb 9, Plant your tree at the depth it has been growing in the pot. Once established, olive trees are among the most drought-resistant trees in the. Feeding olive trees throughout the growing season is essential to promote strong healthy foliage. Olive trees are very drought tolerant, but they still enjoy a good. Abstract. Olive trees (Olea europaea L.) are commonly grown in the Mediterranean basin where prolonged droughts may occur during the vegetative period.

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We prefer to use only pine eought for mulch and keep it back several inches from the trunk; do not allow a build-up of decomposed mulch around the base of the tree trunk. A very young tree may require a heavier stake as it grows.

Stop re-positioning the drip emitter when it is positioned beneath the canopy drip line. The percentage of olive oil extracted from fruit decreased in a linear fashion at three of four harvest dates as the amount of applied water was increased.

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The reduced percentages of ETc applied were imposed during the irrigation season from roughly May to October at which time seasonal rainfall once again began to contribute to ETc demands in all treatments prior to harvest. Watering olive trees Olive trees are very drought tolerant, but they still enjoy a good drink during dry periods, especially when planted in containers, and especially for less established trees. How regularly will depend upon the type of fertilizer used.

It is environmentally responsible but requires more study and understanding by the gardener. Organically-derived fertilizers are available and a good thing, though often more expensive and rarely contain the percentage of nitrogen preferred by olive trees. Home Guides Garden Gardening Olive trees are highly drought-tolerant once established. Insufficient water will cause your tree to suffer, and even die if left too dry for doght long.


Avoid sites where water stands during rainy periods or where ground water seeps into a hole two feet deep. It is okay to prune olive trees to achieve a desired shape but remember that they fruit on branches that grew during the previous spring and summer; cutting off a lot of such growth will preclude or greatly reduce fruiting potential for the next fought.

Before any sort of regulated deficit drought irrigation strategy can be managed the timing and amount of oive constitutes full olive irrigation must be understood. You will have to water sufficiently to get your tree established and thereafter as necessary during dry periods.

Do not amend the soil with organic material, moisture-retaining polymers, fertilizer or anything else.

Increasing the amount of water applied beyond full olive ET showed little to no increase in yield yield components including shoot growth, bloom, fruit size, fruit load, and oil content. Liquid fertilizers may be used again, a formulation with minor elements dougut best but it should be remembered that liquid feeding is a fleeting thing and must be repeated often.

If possible, use drip irrigation system placed close to the root ball.

At this level of irrigation, olives for canning experience significant reductions in fruit size and in subsequent grower returns. Accessed 31 December These products are high in carbon and rob the soil of nitrogen and other dougth in the decomposition process.

They also hold too much water in wet periods and, once dry, shed irrigation water and rainfall like a shingle roof. Crop water use of mature olives ETc is determined by multiplying the reference ETo by the olive crop coefficient Kc tres 0.

See the following section on optimum irrigation for olive oil production. She has a Bachelor of Arts degree in art with a minor in English.

Olives – UC Drought Management

Finally, be sure to keep ant colonies away from your trees. Simply tre in the native soil provided it is well-drained and backfill with the same. A regulated deficit irrigation regime at several levels of water reduction is outlined in Table 2.


Pruning is the key to keeping olive trees in good shape.

Top dressing with organic material such tere composted manure or kitchen compost can be done but the grower should consult the current literature.

Put the new stake in the same hole the previous stake occupied and tie the tree to the stake with arborists’ tape such as comes with your staked tree. Also, do not allow weed-eater operators near your tree.

Be sure to water very well after application. It is not common but should be watched for, especially if your site has other species prone to harbor scale insects. In addition to her work as a writer, she is an accomplished painter and experienced art teacher.

It is also a good idea to cut out small interior branches that will ultimately clutter the tree’s appearance and provide protection for any pests or diseases that may be lurking around your site. Plant your tree at the depth it has been growing in the pot. University of California Publication Do not allow “Weed and Feed” products to be used within 30 feet of your tree.

Beede and Goldhamer, Olive trees are not too fussy about soil types but they do have a preference for well-drained soil, making olive tree care a very easy task. However, olive fruit production and the economic survival of the orchard operation does not depend solely on tree survival.

We have some very useful tips on olive tree care for you below: