Ketu in the 5th house (Putra, the house of creativity) brings the significations of Ketu, namely spirituality & moksha, detachment, past-life karma, into the area of children, intelligence, creativity and romance. The 5th house governs children, intelligence & wisdom, creativity & romance, higher education.
Results of Ketu in the 5th House
Ketu is a malefic planet, so here it tends to bring confusion, sudden losses, feeling lost, and unexplained anxieties focused on children, intelligence, creativity and romance. As a trine (trikona) house of fortune, benefic influence here is especially auspicious.The exact result depends on which sign Ketu occupies here and the aspects it receives.
When It Activates
These results typically surface during the Vimshottari mahadasha or antardasha of Ketu, and when transiting planets trigger the 5th house. A well-placed Ketu here supports intelligence, creative talent, good children and romantic happiness; when afflicted it can indicate difficulty with children, blocked creativity and troubled romance.