Kirengeshoma palmata Lightly cover seeds and use 65-72F, if no germination in 5 weeks move to cooler conditions, were germination will be spread out over many weeks. Do not discard seed trays for at least 14 months.
Kitaibelia vitifolia - Sow and keep for 6 months at 39F (fridge rater) or winter out side, move to 65-75 F for germination.
Knautia arvensis - Sow at 40 F, high temps retard germination. Germination is irregular, taken place over 1-15 weeks.
Knautia macedonica - Sow at 70F, if no germination in 4 weeks, move to the fridge for 3 weeks, then back to 70F.
Knautia macedonica 'Melton Pastels' - Sow at 70F, if no germination in 4 weeks, move to the fridge for 3 weeks, then back to 70F.
Kochia scoparia - Germination in less than two weeks at 68F,
Koeleria glauca - Use 4 weeks at 68F, if no germination move to 35-39F for four weeks..,
Koelreuteria paniculata - nick and soak, 12 weeks at 39F, germ. at 68F
Kolkwitzia amabilis - Use 4 weeks at 68F, if no germination move to 35-39F for four weeks..,