- lovage and salad burnet — I think the mature seeds on both of these are brown. Cut off lovage seed heads and store in a paper bag. I scrape salad burnet seeds into my palm, and into another paper bag. Be sure to label all seed containers.
- curley parsley – This is a biennial. Parsley is hard to germinate, so I just bend the seed head over the area I want new plants in, and let it plant itself.
- dutch lavendar – haven’t collected from this.
- chives – seeds are black when mature, cut off heads into paper sack, shake
- seeds out and store. They’re only viable for one year, I think.
- st john’s wort – I haven’t collected seed from these, but I’d guess you should wait until the seed pods turn brown.
- sweet woodruff, >rosemary, >aztec sweet plant, & roman chamomile – I don’t know
- lemon thyme, thyme – I’m not sure, although thyme, at least, does self-seed.
- greek oregano, oregano – I assume when you can shake some pepperlike seeds from the seedpods.
- french tarragon – does not set seed.
- borage – get the black seeds from the seed pods before they distribute themselves. Peek inside.
- corn salad valarianella, >grapefruit mint, & pineapple mint – I don’t know
- sage when you can shake seeds out of the seed pods.
- pineapple sage – does this set seed? I’ve never seen it or seen it offered.
- lemon mint – this is a monarda, I believe. shake the dry seed head over an envelope.
- catmint – I don’t know. I grow it, but don’t collect seeds.
- candy mint – never heard of this one.
- comfrey – I don’t collect seeds from this plant, it spreads by itself.
- cinnamon basil, sweet basil – before frost, shake the seed heads inot an envelope.
- marjoram – this is frost tender; before frost, shake seed heads into envelope.
- curry, hyssop – I don’t know.