Deadheading and Seed Starting for Dianthus

A gardener asks about deadheading spent Dianthus blooms and growing from seed.

Deadheading

Yes, deadhead spent flowers to encourage rebloom. Shear plants back by 1/3 after main flush.

Self-Seeding

Dianthus self-sows readily. Scatter seeds from dried pods where you want volunteers.

Indoor Seed Starting (Spring)

1. Start 8 weeks before last frost.
2. Press seeds into moist potting mix. Lightly cover.
3. Top with milled sphagnum moss (prevents damping off).
4. Cover pot with plastic bag. Keep 70-75°F.
5. Germination in <2 weeks.
6. After true leaves, transplant to individual pots.
7. Harden off 7-10 days before planting out after frost.

Direct Sow

Also works in prepared garden bed after frost.