Watering schedule

How often to water Creeping Charlie (Glechoma hederacea) — the schedule

Also called Creeping Charlie, Ground Ivy, Gill-over-the-Ground, Runaway Robin, Field Balm.

More about creeping charlie

Watering at a glance

Base rhythm	Every 5–7 days during the growing season; less in winter
Spring / summer	Spring and summer: keep evenly moist, watering as soon as the surface starts to dry — often every 1-2 days for pots in warm weather.
Autumn	Autumn: still keep moist but check rather than pour daily as growth slows.
Winter	Winter: indoor pots need less; let the top centimetre dry first but never let it wilt hard.
Light	Medium indirect light (a couple of metres from a window)

About Creeping Charlie

Glechoma hederacea · also called Creeping Charlie, Ground Ivy · herb

A vigorous, aromatic Lamiaceae perennial that spreads by stolons to form a dense, kidney-leaf mat. Tolerates shade and a wide range of soils, making it effective ground cover but potentially invasive. Small lavender flowers appear in spring. Historically used as a culinary and medicinal herb; volatile oil content is mildly irritating to pets.

Ideal humidity: 40–70%

Watch for — Powdery mildew: White fungal coating appears on leaves in warm, humid conditions with poor air circulation. Improve airflow, avoid overhead watering, and apply a sulphur-based or baking-soda spray at first sign.

The watering schedule, season by season

Creeping Charlie is a soft, fast-growing herb that wilts the moment it dries out — it wants consistently moist (never soggy) soil and bounces back if you catch it early. The base rhythm for creeping charlie is every 5–7 days during the growing season; less in winter, 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: keep evenly moist, watering as soon as the surface starts to dry — often every 1-2 days for pots in warm weather.
Autumn (slowing down): Autumn: still keep moist but check rather than pour daily as growth slows.
Winter (rest / dormancy): Winter: indoor pots need less; let the top centimetre dry first but never let it wilt hard.

Prefers consistently moist soil but not waterlogged conditions. Allow the top 1–2 cm to dry slightly between waterings. Drought stress causes leaf curl and browning of margins. In containers, check moisture more frequently in warm weather.

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 creeping charlie in seconds.

How to tell creeping charlie needs water

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

The soil surface is dry to the touch.
Leaves and stems begin to droop or look limp (act now — it recovers if caught early).
The pot is light when lifted.

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 creeping charlie for a day is almost always safer than over-watering it.

Overwatering vs underwatering creeping charlie

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

Signs you are overwatering

Yellowing lower leaves, mushy stems, and a constantly wet pot.
Damping-off or rot at the base of seedlings.
Fungus gnats in permanently wet soil.

Signs you are underwatering

Dramatic wilting and flopping; leaves crisp at the edges if left too long.
Bitter flavour and premature flowering (bolting) after drought stress.

Letting creeping charlie dry to a hard wilt repeatedly shortens its life and turns the leaves bitter or triggers bolting — but sitting it in water rots the roots just as fast. Aim for steady, light moisture.

Water quality notes

Tap water is fine for creeping charlie; frequency and consistency matter, not water type.

Seasonal and environmental adjusters

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

Containers and sunny windowsills dry fast — check daily in summer.
Harvesting regularly keeps the plant compact and lowers its water demand.
A slightly larger pot dries more slowly and is more forgiving than a tiny supermarket pot.

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 creeping charlie.

Creeping Charlie watering — frequently asked questions

How often should I water creeping charlie?

Water creeping charlie every 5–7 days during the growing season; less in winter. Spring and summer: keep evenly moist, watering as soon as the surface starts to dry — often every 1-2 days for pots in warm weather. Winter: indoor pots need less; let the top centimetre dry first but never let it wilt hard.

How do I know when creeping charlie needs water?

The soil surface is dry to the touch. Leaves and stems begin to droop or look limp (act now — it recovers if caught early). The pot is light when lifted. The single most reliable test for creeping charlie is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.

What does an overwatered creeping charlie look like?

Yellowing lower leaves, mushy stems, and a constantly wet pot. Damping-off or rot at the base of seedlings. Fungus gnats in permanently wet soil. Letting creeping charlie dry to a hard wilt repeatedly shortens its life and turns the leaves bitter or triggers bolting — but sitting it in water rots the roots just as fast. Aim for steady, light moisture.

What are the signs of an underwatered creeping charlie?

Dramatic wilting and flopping; leaves crisp at the edges if left too long. Bitter flavour and premature flowering (bolting) after drought stress.

Can I use tap water on creeping charlie?