When does Phlox divaricata bloom?

Phlox divaricata typically flowers in April and May, producing clusters of fragrant blue to lavender blooms on low, spreading stems.

What kind of light does Phlox divaricata need?

This plant grows best in part shade, though it tolerates conditions ranging from part sun to fuller shade, making it a good fit for woodland gardens and shaded borders.

How much water does Phlox divaricata need?

It prefers medium, consistently moist soil and does well in the humus-rich, well-drained conditions typical of woodland floors.

What pollinators visit Phlox divaricata?

The tubular flowers attract bees, butterflies, and moths, which feed on nectar and help with cross pollination during the spring bloom period.

What habitat suits Phlox divaricata best?

It thrives in moist deciduous woodlands and shaded slopes, where dappled sunlight and rich organic soil support its low, spreading growth habit.

Is Forest Phlox toxic to livestock?

The USDA PLANTS Database does not flag Forest Phlox as toxic to livestock.

Is Forest Phlox HOA-friendly?

Forest Phlox is generally an HOA-friendly choice in the right placement, with low maintenance.

Forest Phlox

Name: Pollinator Patch
Author: Pollinator Patch

Phlox divaricata

Last reviewed: August 2026

Phlox divaricata, also called wild blue phlox, is a low woodland forb that blooms with lavender blue flowers in April and May. It grows best in part shade with medium soil moisture, often carpeting forest floors and shaded garden beds.

Toxicity unknown

Forest Phlox (Phlox divaricata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

The USDA PLANTS Database (opens in new tab) does not flag Forest Phlox as toxic to livestock.

Light

part shade

Water

medium

Size

6"–12" H × 12"–18" W

Bloom

Apr, May

Native to

AL, AR, CT, DE and 28 more states

Pollinators

bees, butterflies, moths

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Forest phlox is a low-growing native wildflower that forms attractive groundcover mats in partial shade. It produces clusters of fragrant blue, purple, or white flowers in spring, creating a carpet of color under trees and shrubs. The plant spreads gradually to fill in shaded areas where grass struggles to grow.

Growing Forest Phlox

Grow Forest Phlox in part shade and medium water. Mature plants reach 6 to 12 inches tall and spread 12 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Forest Phlox is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, mid zone.

Goes dormant in winter leaving bare spots

Wildlife value

The nectar-rich flowers attract native bees, butterflies, and night-flying moths during the spring blooming period. This native phlox serves as a host plant for some moth caterpillars.

Common questions

When does Phlox divaricata bloom?: Phlox divaricata typically flowers in April and May, producing clusters of fragrant blue to lavender blooms on low, spreading stems.
What kind of light does Phlox divaricata need?: This plant grows best in part shade, though it tolerates conditions ranging from part sun to fuller shade, making it a good fit for woodland gardens and shaded borders.
How much water does Phlox divaricata need?: It prefers medium, consistently moist soil and does well in the humus-rich, well-drained conditions typical of woodland floors.
What pollinators visit Phlox divaricata?: The tubular flowers attract bees, butterflies, and moths, which feed on nectar and help with cross pollination during the spring bloom period.
What habitat suits Phlox divaricata best?: It thrives in moist deciduous woodlands and shaded slopes, where dappled sunlight and rich organic soil support its low, spreading growth habit.
Is Forest Phlox toxic to livestock?: The USDA PLANTS Database does not flag Forest Phlox as toxic to livestock.
Is Forest Phlox HOA-friendly?: Forest Phlox is generally an HOA-friendly choice in the right placement, with low maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

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