Watering schedule

How often to water Ugni (Ugni molinae) — the schedule

Also called Chilean guava, Ugni, Murta.

More about ugni

Watering at a glance

Base rhythm	When the top 2-3 cm of soil is dry, about every 5-7 days
Spring / summer	Spring and summer: water when the top of the soil is dry to roughly a knuckle deep — typically every 5-7 days.
Autumn	Autumn: growth slows, so stretch the interval and let it dry a little more between waterings.
Winter	Winter: water noticeably less — often half as often — because low light and dormancy slow water use right down.
Light	Direct sun (at least 4-6 hours)

About Ugni

Ugni molinae · also called Chilean guava, Ugni · tropical

Ugni, the Chilean guava, is a compact evergreen shrub bearing small aromatic red berries with a strawberry-like flavour. Hardier than most subtropical fruit, it tolerates light frost and suits sheltered gardens or pots. It likes full sun to part shade, moist but well-drained acidic soil and shelter from cold winds, and forms a neat, slow-growing bush ideal for hedging.

Ideal humidity: 50-70%

Watch for — Drought stress: Containers and shallow-rooted plants drop leaves and fruit if allowed to dry out; keep evenly moist and mulch to conserve moisture.

The watering schedule, season by season

Ugni likes a soak-then-partly-dry rhythm — let the top of the soil dry before watering again, and never leave it standing in water. The base rhythm for ugni is when the top 2-3 cm of soil is dry, about every 5-7 days, but the real interval moves with the season, the light and the pot — so treat the figures below as a starting point and always confirm with the plant itself.

Spring & summer (active growth): Spring and summer: water when the top of the soil is dry to roughly a knuckle deep — typically every 5-7 days.
Autumn (slowing down): Autumn: growth slows, so stretch the interval and let it dry a little more between waterings.
Winter (rest / dormancy): Winter: water noticeably less — often half as often — because low light and dormancy slow water use right down.

Keep evenly moist, especially in summer and in containers; it dislikes drying out, which causes leaf and flower drop. Mulch the root zone and avoid waterlogging in winter.

Want this turned into a live reminder that adjusts to your home and the weather? The Growli watering calculator takes your pot size, light and season and returns a starting interval for ugni in seconds.

How to tell ugni needs water

A calendar is the worst way to water ugni. Check the plant and the soil instead — for this species, look for these signals in order:

The top 2-3 cm of soil is dry to the touch (or a knuckle-deep finger test comes back dry).
Lifting the pot, it feels distinctly light.
Leaves droop slightly or lose a little of their gloss just before they truly need water.

The most reliable single check is the first one on that list. When two signals agree, water; when they disagree, wait a day and look again — under-watering ugni for a day is almost always safer than over-watering it.

Overwatering vs underwatering ugni

The two failure modes can look alike at a glance, so check the soil weight and wetness before you decide. For ugni specifically:

Signs you are overwatering

Yellowing lower leaves and a pot that stays wet and heavy for days.
Soft, brown, mushy stems or a sour soil smell — root rot.
Fungus gnats breeding in permanently damp soil.

Signs you are underwatering

Drooping, curling leaves with crispy brown edges that perk up after watering.
The rootball shrinks away from the pot and water runs straight down the sides.
Slow growth and a generally tired, washed-out look.

Watering ugni on a fixed weekly calendar regardless of season is the most common mistake — in dim winter light the same routine drowns it. Check the soil, not the date.

Water quality notes

Tap water is generally fine for ugni. If your water is very hard and you see brown leaf tips, switch to filtered or rainwater.

Seasonal and environmental adjusters

Every figure above shifts with the conditions in your home. For ugni, the levers that matter most are:

More light and warmth speed drying; the brighter the spot, the shorter the real interval.
Pot size and material matter — small terracotta pots dry far faster than large glazed or plastic ones.
Lifting the pot to feel its weight is more reliable than any calendar for judging when to water.

Pot choice is part of this too — work out the right size with the pot size calculator, since a pot that is too big stays wet long enough to rot the roots of ugni.

Ugni watering — frequently asked questions

How often should I water ugni?

Water ugni when the top 2-3 cm of soil is dry, about every 5-7 days. Spring and summer: water when the top of the soil is dry to roughly a knuckle deep — typically every 5-7 days. Winter: water noticeably less — often half as often — because low light and dormancy slow water use right down.

How do I know when ugni needs water?

The top 2-3 cm of soil is dry to the touch (or a knuckle-deep finger test comes back dry). Lifting the pot, it feels distinctly light. Leaves droop slightly or lose a little of their gloss just before they truly need water. The single most reliable test for ugni is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.

What does an overwatered ugni look like?

Yellowing lower leaves and a pot that stays wet and heavy for days. Soft, brown, mushy stems or a sour soil smell — root rot. Fungus gnats breeding in permanently damp soil. Watering ugni on a fixed weekly calendar regardless of season is the most common mistake — in dim winter light the same routine drowns it. Check the soil, not the date.

What are the signs of an underwatered ugni?

Drooping, curling leaves with crispy brown edges that perk up after watering. The rootball shrinks away from the pot and water runs straight down the sides. Slow growth and a generally tired, washed-out look.

Can I use tap water on ugni?