# Guava (Psidium guajava)

Canonical: https://plantguide.ae/plants/guava · Updated: 2026-10-05
Source: Ghaf Gardens (https://plantguide.ae/plants/guava)

Guava · جوافة  
fruit-tree · adapted · family Myrtaceae · grows 2–6 m tall, 2–5 m wide · moderate growth  
full sun · moderate water need  
Ratings for Dubai (1–5, 5 is best): heat 4 · salt 3 · drought 3 · shade 2 · ease of care 3  
Sow or plant: Feb–Mar, Oct–Nov  
Uses: specimen, edible, container  
Garden styles: tropical

A fast-to-fruit tropical tree that tolerates heat and moderate salinity better than most fruit trees. Bag the fruit against fruit flies and feed iron on alkaline soil.

## About

Meet the guava, the pragmatic member of the tropical fruit family. It does not demand the pampering of a mango or the careful timing of a fig: it grows in sandy soil, shrugs off heat, copes with moderate salt better than most of its neighbours and starts fruiting within a few years.

Its character is easy-going but a little untidy. The bark flakes in patches to show a smooth, mottled green and tan beneath, the leaves are leathery and ribbed, and the whole tree has the relaxed, multi-stemmed look of a plant that expects to be pruned hard and come back.

What it brings is a distinctive, scented fruit, picked at its best from your own tree, plus a tree that stays a manageable size when pruned each year. The price is vigilance against fruit flies and an annual iron feed on alkaline ground.

Guava comes from tropical America and is among the more forgiving fruit trees for the UAE. FAO's crop tables rate it moderately salt-tolerant, with yield unaffected up to about 4.7 dS/m of soil salinity, a threshold well above mango or citrus. UF/IFAS describes a tree that reaches around 6 m unpruned, bears three to four years after planting and produces a main summer crop, with a lighter early-spring crop in Florida. In Dubai it enjoys the heat, provided it is watered steadily through bloom and fruiting.

The technical issues are iron, drainage and fruit fly. On soils above pH 7, guava develops iron chlorosis, and UF/IFAS recommends chelated iron to correct it; Dubai's alkaline sand is in that range. Waterlogging causes root rot and leaf drop, so keep it out of the lawn's irrigation zone. Peach fruit fly, which is recorded in the UAE, is a serious pest of guava, laying eggs in ripening fruit; UF/IFAS advises bagging fruit when it is about 2.5 cm across, and the same trick works here.

For the plate, pink and red guavas are picked when the skin turns light green to yellow and then ripened indoors, while white types are often eaten firm. In the plot, UF/IFAS notes that bearing trees can be held at 1 to 3.5 m by regular pruning, which keeps fruit within reach and makes bagging practical. It suits the tropical corner of a garden, or a large pot on a patio, where a young tree can be moved into shade through its first summer.

## Through the year

Guava's year in Dubai begins with planting in October or November, or again in February and March. A hard prune in February and March sets height and shape before the flowers open from March to May. Fruit swells from May to August, and now is the time to bag fruit and watch for fruit fly. The main harvest runs from July to October, with pink and red types picked when the skin turns light green to yellow. Many trees give a lighter second crop in late winter or spring, so the year can feel almost continuous.

| When | What | Note |
| --- | --- | --- |
| Feb–Mar, Oct–Nov | Plant: Best planting window | Plant in mild weather in full sun; young trees die back in sustained frost but Dubai winters are well clear of that. |
| Feb–Mar | Prune: Prune to height and shape | UF/IFAS notes that regular pruning holds bearing trees at about 1 to 3.5 m. |
| Mar–May | Flowers: White flowers open |  |
| May–Aug | Fruit: Fruit swells | Bag fruit when it is about 2.5 cm across to keep fruit flies out (UF/IFAS). |
| May–Oct | Pest watch: Fruit flies on ripening fruit | Peach fruit fly is recorded in the UAE and is a serious pest of guava. |
| Jul–Oct | Harvest: Main harvest | A lighter second crop can appear in late winter or spring; timing varies with cultivar and local conditions. |

## Care in Dubai

- **Watering in summer:** Deep irrigation two or three times a week from bloom to harvest; an irrigation gap of five or more days during fruit development can reduce the crop.
- **Watering in winter:** Reduce to once a week or less, and never leave the root zone waterlogged.
- **While establishing:** Water every other day for the first week and then once or twice a week for the next two months (UF/IFAS); check the root ball in sandy soil.
- **Soil:** Free-draining soil of almost any type. UF/IFAS gives pH 4.5–7 as ideal; above that, iron deficiency appears, which is likely on Dubai's alkaline sand.
- **Feeding:** Young trees: a balanced feed every one to two months in the first year. Bearing trees: three or four feeds a year with extra potash. Apply chelated iron one to two times a year if leaves are pale between the veins.
- **Pruning:** Pinch or prune young trees at 30–60 cm to induce branching, then prune bearing trees each year to hold height at about 1–3.5 m. UF/IFAS warns tall trees topple in wind.
- **Planting:** Plant October–November or February–March in full sun, with the root ball level with the surrounding soil and a wide watering basin. Stake loosely and shade young leaves in the first summer.
- **Pests and problems:** Fruit flies (peach fruit fly); Guava whitefly; Scale insects; Red-banded thrips; Spider mites
- **Toxicity:** Not known to be toxic to people or pets; the ripe fruit is edible. Some people find the seeds hard, but they are harmless.

## Good and bad

**Pros**
- Moderately salt-tolerant (FAO threshold about 4.7 dS/m), well above mango or citrus
- Starts fruiting three to four years after planting (UF/IFAS)
- Easily pruned to 1–3.5 m, which keeps fruit within reach for picking and bagging
- Perfumed fruit unlike anything in the shops, from a robust, heat-tolerant tree

**Cons**
- Fruit flies, including peach fruit fly, can ruin the crop unless fruit is bagged
- Iron chlorosis in alkaline soil needs chelated iron once or twice a year
- Waterlogging causes root rot and leaf drop, so avoid lawn irrigation zones
- Salt stress still shows as leaf-tip burn, small fruit and fruit drop

## Common mistakes

- Letting the tree grow tall and untouched. A tall tree is hard to bag, hard to pick and more likely to topple in wind; pruning to 1–3.5 m solves all three.
- Leaving fruit unprotected. Peach fruit fly lays eggs in ripening guavas; bagging fruit at about 2.5 cm across is the cheapest defence.
- Treating pale leaves as a hunger for nitrogen. On alkaline soil the likely cause is iron chlorosis, which needs chelated iron.
- Planting in a lawn's irrigation zone. Waterlogging causes root rot and leaf drop, and the tree does better with a drip line of its own.
- Ignoring salt. Even a moderately tolerant tree shows tip burn, leaf drop and small fruit when the water is salty.

## Good to know

- FAO's crop tables rate guava moderately tolerant of salinity, with a threshold of about 4.7 dS/m; compare lemon at about 1.5 dS/m and orange at about 1.3 dS/m.
- Peach fruit fly (Bactrocera zonata) is recorded in the UAE and, according to CABI, is a serious pest of peach, guava and mango; bag fruit, bin windfalls and consider a fruit fly trap.
- UF/IFAS reports that pink and red guavas for fresh eating are picked when the skin turns light green to yellow and then ripened indoors, while white guavas are often eaten firm and green.
- Guava has a naturally spreading, multi-stem habit, and UF/IFAS notes that air-layered trees can regrow from the base if frost or damage kills the top.

## Using it in a garden

Roles: Fruiting specimen, Tropical corner shrub-tree, Large container plant, Pruned small tree for easy picking

Plant a guava in full sun with free-draining soil and a drip line of its own, away from lawn irrigation. Keep it pruned to a height you can reach from the ground, so that you can bag fruit before fruit flies find it and pick it without a ladder. It works at the edge of a tropical-style planting or beside a patio in a large pot, where the perfumed fruit are close to hand and the mottled bark is on show.

- [Mango](https://plantguide.ae/plants/mango.md): Another UAE-proven fruit tree for the same tropical corner, with a taller, shade-casting canopy over a smaller guava.
- [Papaya](https://plantguide.ae/plants/papaya.md): A fast-fruiting companion that crops in the first year or two, giving you fruit while the guava is still establishing.
- [Banana](https://plantguide.ae/plants/banana.md): Both are water-hungry tropical fruiting plants that share a drip zone and a feeding routine.

## FAQ

**Does guava grow well in Dubai?**  
Yes. It tolerates heat and, according to FAO, is moderately salt-tolerant, better than mango or citrus. The main jobs are bagging fruit against fruit flies and feeding iron on alkaline soil.

**How long until a guava tree fruits?**  
UF/IFAS gives three to four years from planting for a grafted or air-layered tree, with heavier crops as the tree matures.

**When do guavas ripen in the UAE?**  
Mostly from July to October after a spring flowering, with a possible lighter crop in late winter or spring. Timing varies with the cultivar and the weather.

**How do I keep fruit flies out of my guavas?**  
Bag fruit when it is about 2.5 cm across (UF/IFAS), pick ripe fruit promptly and bin windfalls. Peach fruit fly is recorded in the UAE and is a serious pest of guava.

**Why are my guava leaves pale?**  
On soils above pH 7 the cause is usually iron chlorosis. UF/IFAS recommends chelated iron; improving drainage also helps.

**Can I keep a guava small?**  
Yes. UF/IFAS notes that bearing trees can be held at about 1 to 3.5 m by regular pruning, which also makes bagging and picking easier.

## Related plants

[Mango](https://plantguide.ae/plants/mango.md) · [Papaya](https://plantguide.ae/plants/papaya.md) · [Banana](https://plantguide.ae/plants/banana.md) · [Moringa](https://plantguide.ae/plants/moringa.md) · [Fig](https://plantguide.ae/plants/fig.md)

## Photos

![Red guava (Psidium guajava) on a black background.](https://upload.wikimedia.org/wikipedia/commons/8/84/Goiaba_vermelha.jpg)  
Photo: Rodrigo.Argenton / CC BY-SA 4.0 / Wikimedia Commons ([source](https://commons.wikimedia.org/wiki/File:Goiaba_vermelha.jpg))

![Guava Tree below the sky](https://upload.wikimedia.org/wikipedia/commons/5/58/Guava_Tree_below_the_sky_02.jpg)  
Photo: Sabina Bajracharya / CC BY-SA 4.0 / Wikimedia Commons ([source](https://commons.wikimedia.org/wiki/File:Guava_Tree_below_the_sky_02.jpg))

![Psidium guajava growing in Cairns, Queensland (naturalised). January 2024](https://upload.wikimedia.org/wikipedia/commons/2/2e/Psidium-guajava-SF24028-02.jpg)  
Photo: Steve Fitzgerald / CC BY-SA 4.0 / Wikimedia Commons ([source](https://commons.wikimedia.org/wiki/File:Psidium-guajava-SF24028-02.jpg))

## Sources

- [UF/IFAS EDIS: Guava Growing in the Florida Home Landscape (HS4/MG045)](https://ask.ifas.ufl.edu/publication/mg045)
- [FAO: Crop salt tolerance data (Annex 1)](https://www.fao.org/4/y4263e/y4263e0e.htm)
- [CABI: Bactrocera zonata (peach fruit fly) datasheet](https://www.cabi.org/isc/datasheet/17694)
- [The National: 10 fruit trees good to grow in the UAE](https://www.thenationalnews.com/arts/10-fruit-trees-good-to-grow-in-the-uae-1.636058)
- [Khaleej Times: UAE to help residents grow their own fruits and vegetables in home gardens](https://www.khaleejtimes.com/uae/environment/uae-to-help-residents-grow-their-own-fruits-vegetables-in-home-gardens)