Plant Care hedgehog grass

hedgehog grass

About hedgehog grass

hedgehog grass is a super rare houseplant 🌿 that needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

hedgehog grass likes soil that is good at retaining moisture. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.


Carex flava

How to care for hedgehog grass


How often to water your hedgehog grass

Water needs for hedgehog grass
0.5 cups
every 9

hedgehog 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 Boston, Massachusetts.

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.

Plant care guide for hedgehog grass in Boston, Massachusetts

Boston, Massachusetts

40% Low

Growing hedgehog grass in Boston right now

Light needs for plant hedgehog grass in Boston, Massachusetts

Plant growth potential is currently very low 📉

November 27th, 2021

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

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

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Light needs for plant hedgehog grass in Boston, Massachusetts

Sunlight intensity will decrease by 33.6% ☀️

November 27th, 2021

Boston is trending towards lower sunlight intensity!

The amount of sunlight in Boston is expected to decrease by 33.6% over the next 2 weeks to an average of 5.8 megajoules of energy per m2 per da…

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Light needs for plant hedgehog grass in Boston, Massachusetts

Daylight will decrease by 1.3 hours 📉

November 27th, 2021

This month, Boston is getting an average of 7.5 hours of clear sky sunlight per day.

Hours of daylight will decrease by 12.8% over the next two weeks. Your plants will get 8.9 total hours of dayli…

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Finding light for hedgehog grass in your home

Light needs and placement for plant hedgehog grass: 1ft from a window
1ft or less from
a window

hedgehog 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 Boston, Massachusetts ⛅.

hedgehog grass does not tolerate low-light 🚫.


How to fertilize hedgehog grass

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

When to repot hedgehog grass

Nutrient needs for plant hedgehog grass in Boston, Massachusetts

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

November 23rd, 2021

The growing potential in Boston 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 to r…

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Water Needs
Sunlight Needs
Growth Pattern

Care Summary for hedgehog grass

hedgehog grass

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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