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Growing Phlox

Category Perennials
Phlox is a perennial garden plant that is a great choice for a sunny location in your garden. This is a page about growing phlox.


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Botanical Name:


Life Cycle:

perennial ( some annual varieties)

Planting Time:



6' to 4'


sun to shade depending on phlox type


average to rich, moist, well-drained soil


zones 3 to 8

Bloom Time:



variety of colors including crimson-red, magenta-pink, white, pink, lavender and purple


narrow green leaves on sturdy upright stems


seeds and cuttings

Suggested Use:

beds, borders, rock walls, mass plantings, and groundcover mats

Growing Hints:

Several species of phlox are commonly grown in the gardens of North America. Moss phlox is a low growing variety that thrives in full sun. Wild blue phlox and creeping phlox both form broad clumps of fragrant flowers suitable for shade gardens.

Tall garden phlox needs staking and is most susceptible to powdery mildew. Annual varieties can be grown from purchased transplants or seeds sown directly into the garden several weeks before your last frost date. Perennial phlox should be started from purchased plants to ensure you get the exact colors you desire. Phlox are low maintenance with the exception of being susceptible to powdery mildew. Cut off spent flower heads to keep plants blooming and to avoid future seedlings of different colors from crowding out your original plants. Divide plants in the spring after flowering or take cuttings in the summer to flower the following year.

Interesting Facts:

New cultivars resistant to powdery mildew include David', Pax', Katherine' and Sandra.'
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Share on ThriftyFunCheck out these photos. Click at right to share your own photo in this page.

I was enjoying the summer day when I saw this beauty nectaring on some phlox in my garden.

By jilliebean9700

Butterfly on Phlox

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I just wanted to send in a photo of my creeping phlox in full bloom in the spring. Every several years, they grow out onto the sidewalk. I cut them off with a pruner and take the excess and plant them in an area we have in the back of our lot in order to start new plants (We refer to it as the nursery). I just lay them on the ground and put soil on top of the bottom half of the plant.


Be sure the soil comes in contact with the roots. They may look dried up and dead but they are just dormant. In the spring when they start re-establishing their selves, you'll see new green plants emerging. It'll make you smile to see how you've created new plants to grow in your garden.

By Sewing Granny from Millbury, OH

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My phlox "David", so pure and simple looking.

By Elaine from IA

Phlox plant with white blooms in garden

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April 28, 2016

This is a page about transplanting phlox. This perennial flower can be transplanted to other locations in your garden.

Phlox and Dusty Miller plants in a blue wheelbarrow

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April 19, 2016

This is a page about phlox leaves turning yellow. Determining what is causing the leaves on your phlox to turn yellow is the first step to helping your plant.

Close up of Phlox with pink blossoms and several leaves turning yellow

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Home and Garden Gardening PerennialsApril 19, 2016
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