Most info is correct. Cilantro needs more shade and is a cooler weather herb. Tarragon, MUST be French type, and is VERY importnat that you smell the herbs leaves. Maany poor Russian or Mexican types of Tarragon are only suitable as compost. Oregano can be grown from seeds too, and there are a few types, with Greek being the most poipular. Rosemary can be grown from primed seeds as well, but keep in mind that rosemary has several varieties, some are winter hardy better than others. Soil nutrients are necessary, but in minimal amounts. Nitrogen is the most common needed.

Suggest that you also get a few more books about the many hundreds of thousands of herb types.

Rosemary seeds have a low germination ratio, and best propagation is from cuttings or a layering. I have two large upright rosemary bushes and layering is really easy. Just gave a few to my neighbor.

Primed rosemary seeds germinate at about an 85% 90% success rate. All my pots sprouted just fine. The strain sn't the hardiest, but for a Z6 area, it works well for me and is quite easy to grow.

Here is a link that might be useful: Johnnies seeds

From my experience:

Tarragon - don't be fooled by seed catalogs, tarragon from seed won't be French Tarragon, so make sure you get a cutting or a plant. The leaves should smell of licorice to be the "real thing."

Rosemary from seeds requires bottom heat, maintain the seed tray at or above 70 degrees to get germination. A slip cutting is MUCH easier to start, or get a plant from a local nursery.

Marjoram, Oregano, or Mint - get a plant or a cutting, and check the flavor of the leaf. (there are lot of varieties and some are tastier than others)

Lemon Verbena - buy a plant. Be prepared for it to make into a scraggly looking plant that drops its leaves easily and probably won't overwinter in your zone (never has here in zone 6b). I've stopped buying the plants as Lemon Balm grows like crazy here and is a more attractive looking plant.

Cilantro, Parsley, Dill - all three of these can be started from seed, but its funny that the FIRST planting always seems to have spotty germination but if you let that plant go to seed and reseed freely into your garden you will never lack for plants again.