Fruits Edible

Everything You Need to Know About Java Plum — Care, Propagation & More

Your complete Filipino gardener’s guide to growing, caring for, and harvesting Duhat — from seed to table.

Filipino Duhat Scientific Syzygium cumini
DifficultyEasy
📅
Days to Harvest5-7 years to first fruit
🏡
ContainerNo
🌞
SunlightFull sun
🍴

What Can You Eat?

Discover the edible parts and how Filipinos enjoy this plant in everyday cooking.

Java Plum Duhat - Urban Goes Green Plant Guide
Edible Parts
🍎 Fruit
🍳
How It’s Eaten in Philippine Cuisine

Eaten fresh with salt — turns mouth purple. Made into jam and wine. Folk medicine: seeds powdered for diabetes.

🇵🇭
Cultural Significance in the Philippines

Duhat with rock salt is a beloved Filipino childhood snack — purple-stained mouths and hands are part of the experience. Folk medicine for diabetes (seed powder). Common backyard tree in Filipino provinces.

🌱

Germination Guide

From seed to sprout — here’s what to expect and how to get started.

21-45 days
Days to Germinate
25-32°C
Ideal Temperature
Seeds (most common)
Method
Step-by-Step Timeline
1
Save seeds from ripe fruit; rinse pulp.
2
Sow 2 cm deep within 2 weeks of harvest.
3
Keep moist and shaded.
4
Transplant at 1 year.
🪴

Planting Instructions

Everything you need to prepare — soil, spacing, depth, and the best Philippine planting months.

🪴
Soil Type
Tolerates wide range
⚗️
Soil pH
5.5-7.5
↔️
Spacing
8-10 m between trees
⬇️
Sowing Depth
2 cm sowing depth
🪣
Container Size
Ground planting only
📅
Best Season (PH)
May to August.
Philippine Seasonal Calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
M = recommended planting months
🌿

Propagation Methods

Learn the best ways to multiply your plants — from seeds to cuttings.

Seeds (Recommended) Marcotting
Steps
1
Plant fresh seeds within 2 weeks.
2
Transplant young seedlings.
3
Stake; mulch.
4
Water deeply weekly.
💚

Care Guide

Keep your plant happy and thriving with the right light, water, and nutrients.

🌞 Sunlight

Full sun

💧 Watering

Drought-tolerant once established

🌱 Fertilizer

Complete fertilizer 2-3 times per year

🌡️ Temperature

20-32°C

💨 Humidity

60-90%

🪨 Soil Maintenance

Mulch base.

🌾

Harvest Guide

Know when and how to harvest for the best yield and flavor.

5-7 years to first fruit
Days to Harvest
👀
Signs of Readiness

Fruits turn dark purple-black; soft to touch.

✂️
How to Harvest

Pick by hand; eats well for 2-3 days only.

⚠️

Common Problems & Solutions

Spot issues early and fix them fast.

Long wait

Cause: Trees take 5-7 years from seed

Solution: Patience or marcot for faster fruiting.

Fruit fly damage

Cause: Bactrocera

Solution: Harvest promptly; clean fallen fruits.

Bird damage

Cause: Birds eat ripe fruits

Solution: Net trees during harvest season.

Fungal leaf spot

Cause: Humid weather

Solution: Prune for airflow.

🌻

Perfect Plant Partners

Plants that grow well together.

Joemar Villalobos, founder of Urban Goes Green

Written by Joemar Villalobos

Founder, Urban Goes Green

Joemar founded Urban Goes Green in 2021 to help Filipino gardeners grow food and beautify urban spaces. Based in Pasig City, he manages a directory of 400+ Philippine plant guides, supplies quality soil across Metro Manila, and volunteers with indigenous communities in Mindoro. Every plant guide on this site is researched for Philippine growing conditions.