Arabian Jasmine Bonsai Care

Jasminum sambac

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Zones 13, outdoor. Grown for its scent, and the scent genuinely is remarkable. Most are lost to overwatering.

Oleaceae (olive family) · Tropical evergreen flowering shrub or scrambling vine; tender

At a glance

Type: Tropical
Leaves: Evergreen
USDA zones: 13
Indoor or outdoor: Indoor-capable
Bonsai popularity: Tier 3

Close-up photo reference

Compare your tree against these to confirm the species and spot problems early.

Arabian Jasmine flower among the leaves — **Specimen photograph**, Habib M'henni · CC BY-SA 3.0

Arabian Jasmine quick reference

USDA zones	13 in a pot: only zone 13's winter lows of 60 to 70°F (16 to 21°C) stay at or above the 55°F (13°C) below which it begins to decline. In the ground: 9 to 11 outdoors year-round; indoors or greenhouse everywhere else
Indoor / outdoor	Outdoors through the warm season; indoors before nights approach 55°F
Light	Bright: 4 to 6 hours direct sun ideal; a south window indoors
Water	Let the surface dry slightly, then water thoroughly. It is markedly prone to root rot
Soil	Well-draining, loamy, slightly acid to neutral. Fast-draining bonsai mix
Repot	Every 2 to 3 years, spring. It dislikes an oversized pot
Frost	None. Decline begins below about 55°F (13°C)
Mature height	3 to 10 ft (1 to 3 m) as a shrub or climber; 8 to 20 in (20 to 50 cm) as bonsai
Growth rate	Moderate to fast in warmth and humidity
Season of interest	Intensely fragrant white flowers, nearly year-round in warmth, strongest scent at dusk
Leaf reduction	Not well documented; glossy leaves respond to normal pinching
#1 cause of death	Overwatering and root rot, with cold exposure close behind

Overview & Character

Arabian Jasmine is grown for its scent, and the scent genuinely is remarkable: waxy white flowers that release their perfume most strongly in the evening and early morning. It is the national flower of the Philippines, where it is called sampaguita, and it is the jasmine used to scent tea.

As bonsai it is a scrambling shrub rather than a natural tree form, which means the work is in building and maintaining structure. It flowers on and off through the warm season rather than in one flush, so a healthy plant in good light gives you scent repeatedly rather than for two weeks in spring.

Identification

Foliage: Opposite, simple, glossy dark green leaves, elliptical to ovate, roughly 1 1/2 to 4 in (4 to 10 cm). Smooth and hairless: this is the key difference from Downy Jasmine.

Growth habit: Shrubby and scrambling; will climb if given support.

Flowers: White, waxy, intensely fragrant, five to nine petals, in clusters of three to twelve at shoot tips. Continuous in warmth.

Look-alikes:

J. multiflorum (Downy Jasmine): soft-hairy gray-green leaves and stems, and near-scentless flowers. If it has no scent and downy leaves, it is not sambac.
J. nudiflorum (Winter Jasmine): deciduous, yellow-flowered, hardy. Unmistakable.
Note that "jasmine" is also used for unrelated and genuinely toxic plants such as Carolina jessamine (Gelsemium). Confirm the genus.

Climate & USDA Zone

In the ground. Zones 9 to 11 outdoors year-round. Elsewhere, outdoors in summer and indoors in winter. It wants warmth and humidity (65 to 90°F is the comfortable band) and begins to decline below about 55°F. It has no frost tolerance whatever.

In a pot. The zones row gives zone 13 for a potted tree. USDA zones are bands of the average annual extreme minimum winter temperature, 10°F wide; zone 13's band is 60 to 70°F, the only one whose lows stay at or above the 55°F (13°C) floor. The other zone figures here are for a tree in the ground.

Light

Bright light, with four to six hours of direct sun ideally. Morning sun with afternoon shade suits it well in hot climates. Indoors, a south-facing window; in a dim room it will survive and simply not flower, which rather defeats the purpose.

Watering

Let the surface dry slightly, then water thoroughly. Keep it evenly moist without ever letting the mix stay soggy; this species is specifically noted as sensitive to overwatering, and root rot is its commonest cause of death.

Slightly drier conditions actually improve flowering. Underwatering, on the other hand, suppresses it. The target is damp and airy, checked often rather than watered on a schedule.

Soil & Root Care

Well-draining, loamy, slightly acid to neutral. A fast-draining bonsai mix reduces the rot risk considerably. Repot every two to three years in spring, and resist the urge to move it into a much larger pot; it dislikes excess soil volume around its roots, which stays wet and works against it.

Feeding

Feed monthly through the warm growing season with a balanced fertilizer. A high-phosphorus feed supports flowering. Stop or reduce sharply in winter when growth slows and light is short.

Pruning & Styling

Timing matters. Prune to shape immediately after a flowering flush finishes: late summer into early autumn for the main cut. Pruning in late winter risks removing the buds that would have given you the first flush of the year.

Cut just above a node. Through the season, pinch extending shoots to keep the scrambling habit under control and to build structure. Because it flowers repeatedly rather than once, light frequent trimming costs you less than one hard annual cut.

Seasonal Calendar

Spring: Repot if due; resume feeding; outdoors once nights are reliably above 60°F.
Summer: Bright light, even moisture, monthly feed. Flowering flushes; prune after each.
Autumn: Main structural prune after the last flush; indoors before nights approach 55°F.
Winter: Brightest available spot in a warm room, reduced water, little feed. Watch humidity and mites.

Care calendar by month

Northern Hemisphere. In the Southern Hemisphere, shift every month by six.

Repot and root-prune: April to June
Prune, wire and shape: April to August
Feed: April to September
Air-layer or take cuttings: May to July

Propagation & Cuttings

Ease: Easy. Best methods: semi-hardwood cuttings; air-layering.

Semi-hardwood stem cuttings root readily in warm humid conditions. Air-layering also works well. Both preserve the parent's form and flowering habit.

Pests

Aphids, spider mites, whiteflies, mealybugs and scale, the full indoor set, and all of them worse in dry heated air over winter. Inspect leaf undersides weekly through the heating season.

Disease, Fungus & Infection

Root rot from overwatering is the dominant problem. Fungal leaf spotting occurs where foliage stays wet with poor air movement. Improve drainage and airflow before reaching for chemicals.

Most Common Causes of Death

1. Overwatering and root rot. The documented number one. This species is specifically noted as sensitive to soggy soil. 2. Cold. Decline below 55°F, death from frost. A close second, and often the finishing blow after a wet winter has weakened the roots. 3. Winter pest collapse. Mites and whitefly in dry indoor air. 4. Poor light. Not usually fatal, but it removes the flowering, which is the entire point of the plant.

Toxicity, Safety & Handling

The ASPCA lists true Jasminum species as non-toxic to dogs, cats and horses. One caution: the common name "jasmine" is attached to several unrelated and genuinely poisonous plants, Carolina jessamine (Gelsemium sempervirens) in particular. That rating applies to the genus Jasminum, not to everything called jasmine.

Sources

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