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 Boise, Idaho.

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 Boise, Idaho

Boise, Idaho

38% Low

Growing Showy Phlox in Boise right now

Light needs for plant Showy Phlox in Boise, Idaho

Plant growth potential is currently very low 📉

December 9th, 2021

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

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

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Light needs for plant Showy Phlox in Boise, Idaho

Sunlight intensity will decrease by 26.8% ☀️

December 8th, 2021

Boise is trending towards lower sunlight intensity!

The amount of sunlight in Boise is expected to decrease by 26.8% over the next 2 weeks to an average of 6.2 megajoules of energy per m2 per day!…

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Light needs for plant Showy Phlox in Boise, Idaho

Daylight will decrease by 1.1 hours 📉

December 7th, 2021

This month, Boise is getting an average of 9.1 hours of clear sky sunlight per day.

Hours of daylight will decrease by 10.9% over the next two weeks. Your plants will get 8.7 total hours of daylig…

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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 Boise, Idaho ⛅.

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.

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 Boise, Idaho, the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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