Plant Care Agapanthus Praecox

Agapanthus Praecox

Reviewed by: Kiersten Rankel | Last Updated: 11/05/2021

Also known as

Agapanthus, Agapanthus, Common agapanthus, Blue lily, African lily and Lily of the nile


Agapanthus praecox

How to care for Agapanthus Praecox


How often to water your Agapanthus Praecox

Water needs for Agapanthus Praecox
0.5 cups
every 9

Agapanthus Praecox 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 Agapanthus Praecox

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 Agapanthus Praecox in Philadelphia, Pennsylvania

Philadelphia, Pennsylvania

41% Low

Growing Agapanthus Praecox in Philadelphia right now

Light needs for plant Agapanthus Praecox in Philadelphia, Pennsylvania

Plant growth potential is currently very low 📉

December 5th, 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…

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Light needs for plant Agapanthus Praecox in Philadelphia, Pennsylvania

Sunlight intensity will decrease by 26% ☀️

December 5th, 2021

Philadelphia is trending towards lower sunlight intensity!

The amount of sunlight in Philadelphia is expected to decrease by 26% over the next 2 weeks to an average of 6.7 megajoules of energy per…

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Light needs for plant Agapanthus Praecox in Philadelphia, Pennsylvania

Daylight will decrease by 1.0 hours 📉

December 5th, 2021

This month, Philadelphia is getting an average of 8.0 hours of clear sky sunlight per day.

Hours of daylight will decrease by 9.5% over the next two weeks. Your plants will get 9.2 total hours of …

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Finding light for Agapanthus in your home

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

Agapanthus Praecox 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 ⛅.

Agapanthus Praecox does not tolerate low-light 🚫.


How to fertilize Agapanthus Praecox

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

When to repot Agapanthus Praecox

Nutrient needs for plant Agapanthus Praecox in Philadelphia, Pennsylvania

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

December 5th, 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 Agapanthus Praecox

Agapanthus Praecox

Agapanthus Praecox

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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