Plant Care Kalonji


Also known as

black caraway, black caraway, black caraway, black cumin, nigella, kalojeera and kalonji


Nigella sativa

How to care for Kalonji


How often to water your Kalonji

Water needs for Kalonji
0.5 cups
every 9

Kalonji needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Philadelphia, Pennsylvania.

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 Kalonji

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 Kalonji in Philadelphia, Pennsylvania

Philadelphia, Pennsylvania

40% Low

Growing Kalonji in Philadelphia right now

Light needs for plant Kalonji in Philadelphia, Pennsylvania

Plant growth potential is currently very low 📉

December 8th, 2021

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

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

Read more

Light needs for plant Kalonji in Philadelphia, Pennsylvania

Sunlight intensity will decrease by 24.5% ☀️

December 8th, 2021

Philadelphia is trending towards lower sunlight intensity!

The amount of sunlight in Philadelphia is expected to decrease by 24.5% over the next 2 weeks to an average of 6.7 megajoules of energy p…

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Light needs for plant Kalonji in Philadelphia, Pennsylvania

Daylight will decrease by 0.9 hours 📉

December 8th, 2021

This month, Philadelphia is getting an average of 7.8 hours of clear sky sunlight per day.

Hours of daylight will decrease by 8.6% over the next two weeks. Your plants will get 9.2 total hours of …

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Finding light for black caraway in your home

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

Kalonji 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 Philadelphia, Pennsylvania ⛅.

Kalonji does not tolerate low-light 🚫.


How to fertilize Kalonji

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

When to repot Kalonji

Nutrient needs for plant Kalonji in Philadelphia, Pennsylvania

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

December 6th, 2021

The growing potential in Philadelphia 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 bes…

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Water Needs
Sunlight Needs

Care Summary for Kalonji



Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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