[7] Mark Moody of Under The Radar stated, "Andrews' vocals may not have the hard-bitten vernacular of Iris Dement, but in their purity of tone share the same deep level of pathos".

[13] AllMusic's Stephen Thomas Erlewine wrote "In some respects, Old Flowers could be called a shade too successful, since it casts a specific understated spell, but listened to in the right mood or hour of the day, it's a bewitching affair".

[9] Hal Horowitz of American Songwriter stated, "Old Flowers conclusively proves that Courtney Marie Andrews has reached a difficult to attain level, showing once again that the timeworn trope of "breaking up is hard to do" can be dreadfully unsettling personally but also creatively rewarding".

[6] Dillon Eastoe of The Line of Best Fit said, "Continuing to imbibe her music with a remarkable pathos that has these new songs greeting the listener like familiar friends by the second spin, Courtney Marie Andrews keeps growing and Old Flowers is the fruit of this blossom".

[8] The Arts Desk's Liz Thomson stated, "The textures are imaginative, occasional dissonances and sounds you can't immediately identify making the album all the more compelling".