Plant Care Showy Phlox

Showy Phlox

Also known as

Woodhouse's phlox, Woodhouse's phlox and Showy phlox


Phlox speciosa

How to care for Showy Phlox


How often to water your Showy Phlox

Water needs for Showy Phlox
0.5 cups
every 9

Showy Phlox needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Houston, Texas.

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 Showy Phlox in Houston, Texas

Houston, Texas

53% Low

Growing Showy Phlox in Houston right now

Light needs for plant Showy Phlox in Houston, Texas

Plant growth potential is currently low 📉

December 9th, 2021

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

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

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Light needs for plant Showy Phlox in Houston, Texas

Sunlight intensity will decrease by 16.2% ☀️

December 8th, 2021

Houston is trending towards lower sunlight intensity!

The amount of sunlight in Houston is expected to decrease by 16.2% over the next 2 weeks to an average of 9.7 megajoules of energy per m2 per …

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Light needs for plant Showy Phlox in Houston, Texas

Daylight will decrease by 0.6 hours 📉

December 8th, 2021

This month, Houston is getting an average of 8.3 hours of clear sky sunlight per day.

Hours of daylight will decrease by 5.4% over the next two weeks. Your plants will get 10.1 total hours of dayl…

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Finding light for Woodhouse's phlox in your home

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

Showy Phlox 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 Houston, Texas ⛅.

Showy Phlox does not tolerate low-light 🚫.


How to fertilize Showy Phlox

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

When to repot Showy Phlox

Nutrient needs for plant Showy Phlox in Houston, Texas

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

December 9th, 2021

The growing potential in Houston is 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 repot…

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Water Needs
Sunlight Needs
Growth Pattern

Care Summary for Showy Phlox

Showy Phlox

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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