Plant Care German Knotgrass

German Knotgrass

Also known as

German-knotweed, annual knawel and knawel

Taxonomy

Scleranthus annuus
Scleranthus
Caryophyllaceae
Caryophyllales

How to care for German Knotgrass

💦 Water

How often to water your German Knotgrass

Water needs for German Knotgrass
0.5 cups
every 9

German Knotgrass 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.

Calculate water needs of German Knotgrass

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
☀️ Light

Finding light for German Knotgrass in your home

Light needs and placement for plant German Knotgrass: 1ft from a window
1ft or less from
a window

German Knotgrass love being close to bright, sunny windows 😎.

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

German Knotgrass does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of German Knotgrass in your home 🏡.

🪴 Nutrients

How to fertilize German Knotgrass

Nutrient, fertilizer, and repotting needs for German Knotgrass: 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 German Knotgrass after it doubles in size or once a year—whichever comes first.

💡 FAQs
💦 Water Needs

German Knotgrass prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.


☀️ Sunlight Needs

German Knotgrass requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.


🐶 🐈 👶 Toxicity

Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.

If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA at US (888) 426-4435.


🪴 Soil

German Knotgrass does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!


⬆️ ⬇️ Growth Pattern

German Knotgrass grows along the ground and sends out shoots which will spread across the soil.


🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.


Care Summary for German Knotgrass

German Knotgrass

German Knotgrass


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

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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