Plant Care Large water-starwort

Large water-starwort

Also known as

Large water-starwort and twoheaded water-starwort


Callitriche heterophylla

How to care for Large water-starwort


How often to water your Large water-starwort

Water needs for Large water-starwort
0.5 cups
every 9

Large water-starwort needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Large water-starwort in your home

Light needs and placement for plant Large water-starwort: 1ft from a window
1ft or less from
a window

Large water-starwort love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Large water-starwort does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Large water-starwort in your home 🏡.


How to fertilize Large water-starwort

Nutrient, fertilizer, and repotting needs for Large water-starwort: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Large water-starwort after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs
Growth Pattern

Care Summary for Large water-starwort

Large water-starwort

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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