Mandrake

The Mandrake arrived as one of Grow a Garden's spookier, event-flavored crops, and its row here carries no confirmed seed cost, sell price, or growth time, so judge it qualitatively rather than chasing exact ROI numbers. What defines it economically is its tier and harvest pattern: as a higher-rarity novelty crop, its base sale sits well above common staples, but it is also not the kind of seed you find sitting permanently in the main Seed Shop.

That scarcity is the whole point. When a crop only appears in a limited rotation, the smart move is acquiring seeds whenever they cycle in, even if you do not plant immediately. Mandrake's value per harvest is high enough that a single well-mutated specimen can outpace a whole row of basic crops, so quality beats quantity here.

For mutation stacking, lean on the universal multipliers — Gold and especially Rainbow give the biggest flat boost, and any weather event mutation you can catch (Wet, Chilled, Shocked) layers cleanly on top. Plant Mandrake once you have sprinkler coverage and a steady mutation source; growing it bare in early game wastes a rare seed that could have produced a far larger payout later.