Medieval Herb Garden Books in Order

This series, which is also associated with Gleason's Castle Garden romances, sits on the historical-romance side of her work. The mood is very different from the vampire and ghost books, but some of her favorite interests still show through. The stories are set in medieval England and revolve around strong-willed characters, family duty, danger, and relationships that have to earn their happy ending the hard way.

The herb-garden label gives a good clue to the atmosphere.

These are romances grounded in the practical side of medieval life as much as the emotional side. Healing knowledge, household responsibility, land, loyalty, and survival all matter. The heroines are not decorative figures drifting through a fantasy castle. They are women with work, obligations, and limited room to maneuver, which means every romantic choice is tangled up with larger consequences.

Castle Garden itself helps bind the books together. Even when each novel focuses on different characters, there is a sense of a shared world, one built out of stone walls, shifting alliances, old wounds, and the close, everyday realities of noble households. Love is important, of course, but so are reputation, kinship, and the danger that can come from being married, promised, pursued, or politically useful.

That combination gives the books a sturdy feel. They are romantic, but not airy. Gleason seems interested in people who have to build trust while carrying responsibilities they cannot simply set aside. The men may be warriors, lords, or protectors of one sort or another. The women often bring intelligence, resilience, and practical skill, the kind that can keep a household standing or a wounded person alive. That balance makes the relationships feel like partnerships, not just attractions.

Readers coming from her paranormal fiction will still recognize her taste for momentum. These are love stories, but they move through danger, secrecy, and real emotional conflict. The titles suggest softness, flowers, herbs, vows, whispers, roses, lilies, but the world around those images can be rough, uncertain, and sometimes violent. That contrast is part of the charm.

If you want the version of Colleen CM Gleason that trades ghosts and vampires for castles, oaths, and medieval longing, this is the shelf to visit. Expect linked historical romances with capable heroines, high personal stakes, and a setting where love always has to find room inside duty.