Plant Care Japanese Silver Grass

Japanese Silver Grass

Also known as

Cosmopolitan Miscanthus Grass

Taxonomy

Miscanthus sinensis 'Cosmopolitan'
Miscanthus
Poaceae
Poales

How to care for Japanese Silver Grass

Water

How often to water your Japanese Silver Grass

Water needs for Japanese Silver Grass
0.5 cups
every 9

Japanese Silver Grass needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Louisville, Kentucky.

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

Does your plant get direct sunlight?

Select the pot size

5"
Light

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.

Plant care guide for Japanese Silver Grass in Louisville, Kentucky

Louisville, Kentucky

47% Low

Growing Japanese Silver Grass in Louisville right now

Light needs for plant Japanese Silver Grass in Louisville, Kentucky

Plant growth potential is currently low 📉

November 27th, 2021

Sunlight intensity as measured by “net radiation” in Louisville is currently low 📉.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in determ…

Read more

Light needs for plant Japanese Silver Grass in Louisville, Kentucky

Sunlight intensity will decrease by 30.1% ☀️

November 24th, 2021

Louisville is trending towards lower sunlight intensity!

The amount of sunlight in Louisville is expected to decrease by 30.1% over the next 2 weeks to an average of 7.6 megajoules of energy per m…

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Light needs for plant Japanese Silver Grass in Louisville, Kentucky

Daylight will decrease by 1.1 hours 📉

November 27th, 2021

This month, Louisville is getting an average of 8.4 hours of clear sky sunlight per day.

Hours of daylight will decrease by 10.7% over the next two weeks. Your plants will get 9.4 total hours of d…

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Finding light for Cosmopolitan Miscanthus Grass in your home

Light needs and placement for plant Japanese Silver Grass: 1ft from a window
1ft or less from
a window

Japanese Silver Grass love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to ensure it receives enough light to survive during this time of reduced sunlight intensity in Louisville, Kentucky ⛅.

Japanese Silver Grass does not tolerate low-light 🚫.

Nutrients

How to fertilize Japanese Silver Grass

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

When to repot Japanese Silver Grass

Nutrient needs for plant Japanese Silver Grass in Louisville, Kentucky

Is this a good time of year to repot? No ⏳

November 22nd, 2021

The growing potential in Louisville is very low 📉.

Repotting in late fall or winter when the day lengths are shorter can be very stressful for a plant and cause it to go into shock.

It's best …

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FAQs
Water Needs
Sunlight Needs
Toxicity
Soil
Fertilizer

Care Summary for Japanese Silver Grass

Japanese Silver Grass


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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