German Knotgrass
Also known as
German-knotweed, annual knawel and knawel
Taxonomy
Scleranthus annuus
Scleranthus
Caryophyllaceae
Caryophyllales

How to care for German Knotgrass
How often to water your German Knotgrass

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.
Water 0.5 cups every
9
Finding light for German Knotgrass in your home

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 🏡.
How to fertilize German Knotgrass

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.
Care Summary for German Knotgrass
German Knotgrass
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.
