aftergrowth n [OED3 a1677→; 1766→ in this specific sense] scattered chiefly Nth, N Midl ?old-fash
= aftermath n.
1789 Christian’s Scholar’s & Farmer’s Mag. 1.254 NEast, It is found that taking only one crop in a year, and feeding the after-growth, is better than to mow it twice. 1844 Cultivator 1.173 NY, Another great advantage in cutting grass before the seed forms, is that the roots are not so much exhausted, and the after growth is much more vigorous. 1869 New Engl. Farmer 3.354, Cut the clover when it is dry, and as close to the ground as possible. This should be done . . because the after-growth is neither so vigorous nor so weighty, as when the first cutting is taken as low as possible. 1900 OH Farmer 98.101, If turned upon the fresh aftergrowth of meadows they [=lambs] will grow more rapidly than if left with their mothers. 1929 Mason City Globe–Gaz. (IA) 23 Jan 13/2, The best practice seems to be to cut only two crops [of alfalfa] and leave the aftergrowth for winter protection. [1939 LANE Map 125 (Second crop) New Brunswick, Canada, 1 inf, Aftergrowth.] 1949 Kurath Word Geog. Fig 112 (Second crop) 2 infs, nePA, cwNY, Aftergrowth. 1964 Joplin Globe (MO) 17 May sec C 8/8, It is usually best to use any aftergrowth [of lespedeza] following hay cutting for pasture. 1967–70 DARE (Qu. L10, After hay has been cut, then it grows back and you cut it again) Infs NE2, NJ69, Aftergrowth; (Qu. L24, A crop or part of a crop that springs up and grows by itself) Inf NJ69, Aftergrowth? 1973 Allen LAUM 1.273 NE, Aftergrowth, a relic in northern Pennsylvania, is the term of two Nebraskans . . , one whose paternal grandfather came from Pennsylvania and another with German ancestry.