Does Phlox Self Seed. Dig a spade vertically into the groundcover. If maintaining a particular color is important self sown seedlings should be removed.
Provide even moisture throughout the germination period. If youve been deadheading all summer to keep the blooms coming stop deadheading by the middle of August. Phlox seeds need a temperature of 65 Fahrenheit to germinate.
Thats about all it takes.
By seeds in the soil or seedlings grown on the windowsill. Comments 3 If you cut the heads off of tall Phlox paniculata often they will send out side shoots to bloom some more. Creeping phlox are spring-blooming so should be divided after they have bloomed. 04102017 While phlox start easily from seed and often self-sow into the garden it is rare for the seedlings to have the same coloring and habit as their parent.