Herb root depth

[Scott]

Can anyone point me to a site that lists the rooting depth of common herbs. I've heard of tables out on the Net, but haven't been able to find any.

Thanks in advance!

[Henriette Kress]

Umbelliferae (dill, parsley, aniseed etc.): _deep_. They all have taproots. Ground covers: shallow Lamiaceae (basil, thyme, lavender, hyssop etc.): middling.

Others with taproots:

- mullein

- elecampane

- some of the Echinaceas

Henriette