Olive tree care in Dubai: sun, watering, pots and pruning

Olive trees like what Dubai has plenty of: strong sun, sandy soil and dry air. What they dislike is wet roots. Plant in full sun, use free-draining soil, water deeply and then let the soil dry. Most failures in Dubai come from overwatering and from pots that do not drain.

Key takeaways

• Full sun for most of the day. Shade makes the tree thin and leggy.
• Water deeply and let the top of the soil dry between waterings, especially in winter.
• Drainage matters more than anything else. Never leave a pot standing in water.
• Prune lightly to open the canopy and remove dead wood.
• Yellow leaves almost always point to overwatering or poor drainage first.

How much sun does an olive tree need?

As much as you can give it. A spot with direct sun for most of the day suits it. On a terrace, choose the sunniest corner that is not boxed in by hot walls with no air movement. Silver-green leaves reflect heat, and the tree handles Dubai summers better than many ornamental plants.

How often should you water an olive tree in Dubai?

Newly planted trees need regular deep watering for the first months while roots establish. In summer, use a drip line for a longer cycle every few days, early in the morning, so water soaks deep. In winter, water much less often. Check the soil a few centimetres down before each watering, and skip it if the soil is still damp.

For a potted olive, water until it runs from the drainage holes, then let the top layer dry. Pots dry out faster than ground soil in July and August, so check more often then.

What soil is best for olive trees?

Free-draining, slightly gritty soil. Native sandy soil in UAE gardens drains well but is low in nutrients and can be saline, so mix in compost when planting and water deeply to carry salts below the roots. In pots, use a mix with added grit or perlite, with drainage holes and a layer of coarse material at the base. Feed lightly in spring and autumn with a balanced slow-release fertiliser.

How do you plant or repot an olive tree on a terrace?

Pick a heavy pot with drainage holes, one size up from the nursery pot. Place coarse material at the base, add gritty mix, set the root ball at the same depth it grew before, and water in well. Repot every couple of years or when roots fill the pot. Check your building's rules and the load a balcony can carry before placing a large planter.

You can see olive trees in our outdoor plants range, including Olive Tree 2m and Olive One Head Outdoor. If you only want the look without the upkeep, the shop also lists an Artificial Olive Tree.

How and when do you prune an olive tree?

Prune in the cooler months. Remove dead, crossing and inward-growing branches so air and light reach the centre. Shape the canopy lightly rather than cutting hard in one go. Taller trees are better handled by a team with proper equipment; see tree trimming.

Why are my olive tree leaves yellow or dropping?

• Overwatering or a blocked drain hole: the most common cause. Let the soil dry and check drainage.
• Underwatering in summer: leaves curl and drop after long dry spells in a pot.
• Salt build-up: crust on soil and leaf-tip burn. Water deeply to flush it.
• Move or repotting: some leaf drop for a few weeks is normal.
• Low light: sparse growth and yellowing leaves in shaded spots.
• Scale and aphids: look for small bumps on stems or sticky leaves. Wipe off or rinse, and repeat over several weeks.
• Mealybugs: white cotton-like patches in leaf joints. Remove by hand or with a cloth dipped in soapy water.

How big does an olive tree get?

Mature trees can reach several metres, but they grow slowly and can be kept smaller by pruning and by growing them in containers. Decide early whether you want a standard tree shape or a multi-stem form.

Fruit

Many ornamental olives sold for gardens are chosen for their look. Fruiting depends on the type and the conditions, so ask when buying if fruit matters to you.

For routine care, see garden maintenance.

Reviewed by Hamza, site supervisor at Green Beetle.