Do Phlox Self Seed. The seeds need to ripen and that usually means the flowers must dry completely. If youve been deadheading all summer to keep the blooms coming stop deadheading by the middle of August.
31012018 In fact its important to deadhead the fading flowers before they can release seed because phlox will readily self-seed and the resulting plants might not be what you expect. Be sure to check on them regularly to make sure the soil remains moist. 30042011 Seeds that dead phlox flowers drop are most likely sterile.
These types can spread quite rapidly.
In fact it is good policy to deadhead your phlox before they go to seed as those little self-sown seedlings tend to grow up into vigorous plants of a decided magenta hue and can in a few years crowd out the mother plant. Sow the seeds into flats and lightly cover the seeds in the autumn. 04022011 Meadow phlox is an upright to 3 feet tall clump-forming rhizomatous perennial that blooms in early summer with dark pink fragrant blossoms. If you are moving a plant from a pot dig a hole about twice the size of the pots diameter and place the plant so that the top of the root ball is even with the soils surface.