Plant Care Flower of an hour

Flower of an hour

Also known as

Flower-of-an-hour, Bladder hibiscus, Bladder ketmia, Bladder weed, Flower-of-the-hour, Modesty, Puarangi, Shoofly and Venice mallow

Taxonomy

Hibiscus trionum
Hibiscus
Malvaceae
Malvales

How to care for Flower of an hour

Water

How often to water your Flower of an hour

Water needs for Flower of an hour
0.5 cups
every 9

Flower of an hour needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Madison, Wisconsin.

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 Flower of an hour

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 Flower of an hour in Madison, Wisconsin

Madison, Wisconsin

35% Very Low

Growing Flower of an hour in Madison right now

Light needs for plant Flower of an hour in Madison, Wisconsin

Plant growth potential is currently very low 📉

December 6th, 2021

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

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

Read more

Light needs for plant Flower of an hour in Madison, Wisconsin

Sunlight intensity will decrease by 28.9% ☀️

December 6th, 2021

Madison is trending towards lower sunlight intensity!

The amount of sunlight in Madison is expected to decrease by 28.9% over the next 2 weeks to an average of 5.6 megajoules of energy per m2 per …

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Light needs for plant Flower of an hour in Madison, Wisconsin

Daylight will decrease by 1.1 hours 📉

December 6th, 2021

This month, Madison is getting an average of 7.4 hours of clear sky sunlight per day.

Hours of daylight will decrease by 10.7% over the next two weeks. Your plants will get 8.8 total hours of dayl…

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Finding light for Flower of an hour in your home

Light needs and placement for plant Flower of an hour: 1ft from a window
1ft or less from
a window

Flower of an hour 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 Madison, Wisconsin ⛅.

Flower of an hour does not tolerate low-light 🚫.

Nutrients

How to fertilize Flower of an hour

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

When to repot Flower of an hour

Nutrient needs for plant Flower of an hour in Madison, Wisconsin

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

December 3rd, 2021

The growing potential in Madison 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 …

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FAQs
Difficulty Level

Flower of an hour is generally considered an easy-to-care-for plant and makes a great choice for beginners!


Water Needs
Sunlight Needs
Toxicity
Soil
Fertilizer
Growing Outdoors

Care Summary for Flower of an hour

Flower of an hour

Flower of an hour


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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