As an outdoor grower, I choose low odour strains almost exclusively.
Berry or sweet smelling strains that smell like ripe fruits are also easier to disguise.
Stay away from anything with skunk in its lineage!
Some recommended strains -
(Sweet Seeds) - Sweet Cherry Pie, Zenzation, Purple Punch OG, Indigo Berry Kush, Red Hot Cookies, Black Jack, Do Sweet Dos, Cream Caramel, Amnesi Haze, Gorilla Girl, San Fernando Lemon Kush, Cream 47, Cream Mandarine, Jack 47 and Troppcanna Poison.
(Mandala Seeds) - California Dream, Eight Miles High, Fruitilicious, Satori, Ganesh Berry, Krystallica, Beyond the Brain, Hashberry and Far Out.
(Barneys Farm) - Shiskaberry, Blue Sunset Sherbet, Blue Gelato 41, Liberty Haze, Biscotti Mintz, Mimosa x Orange Punch, Blueberry OG, Gorilla Zkittlez, Morning Glory, Amnesia Lemon and Dos Si Dos 33.
There are many, many others and most breeders will make a note of which of their strains are extra smelly.
All my recommended strains are photoperiod plants, as I do not grow autos!
Hope this helps, Organoman.