How to grow Blue Phlox

Phlox divaricata

Partial Sun
OR
Full Shade
Medium

Prefers moist loam.¹

Growing Blue phlox from seed

Seeds don’t store well. Needs 1-2 months of cold stratification. Best to plant the seeds in a protected area outside as soon as they are mature. These plants can technically be sown by seed, but it’s difficult.

Seed Saving Blue phlox

Bags over flower heads – once they are pollinated.

How long does Blue phlox take to grow?

These estimates for how long Blue phlox takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

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Other names for Blue phlox

Woodland phlox, Wild Sweet William, Wild Blue Phlox, Forest Phlox

Phlox divaricata L.

Footnotes

¹ Missouri Botanical Garden