Plant Care King's Crown

King's Crown

Also known as

American silk cotton, American silk cotton, Apple of sodom, Sodom apple, Stabragh, King's crown, Rubber bush, Rubber tree and Dead sea apple


Calotropis procera

How to care for King's Crown


How often to water your King's Crown

Water needs for King's Crown
0.5 cups
every 9

King's Crown needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Fort Collins, Colorado.

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 King's Crown

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 King's Crown in Fort Collins, Colorado

Fort Collins, Colorado

49% Low

Growing King's Crown in Fort Collins right now

Light needs for plant King's Crown in Fort Collins, Colorado

Plant growth potential is currently low 📉

November 26th, 2021

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

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

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Light needs for plant King's Crown in Fort Collins, Colorado

Sunlight intensity will decrease by 31.7% ☀️

November 25th, 2021

Fort Collins is trending towards lower sunlight intensity!

The amount of sunlight in Fort Collins is expected to decrease by 31.7% over the next 2 weeks to an average of 7.5 megajoules of energy p…

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Light needs for plant King's Crown in Fort Collins, Colorado

Daylight will decrease by 1.3 hours 📉

November 25th, 2021

This month, Fort Collins is getting an average of 10.0 hours of clear sky sunlight per day.

Hours of daylight will decrease by 12.3% over the next two weeks. Your plants will get 9.2 total hours o…

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Finding light for American silk cotton in your home

Light needs and placement for plant King's Crown: 1ft from a window
1ft or less from
a window

King's Crown 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 Fort Collins, Colorado ⛅.

King's Crown does not tolerate low-light 🚫.


How to fertilize King's Crown

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

When to repot King's Crown

Nutrient needs for plant King's Crown in Fort Collins, Colorado

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

November 22nd, 2021

The growing potential in Fort Collins 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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Difficulty Level

King's Crown is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for King's Crown

King's Crown

King's Crown

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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