XHM-SUMMER Medium and late mature varieties, strong cold tolerance, after autumn cultivation can be harvested for about 90 days.Good high yield, a single ball weighs about 500 grams.The stem is thick, the ball is beautiful and mushroom, the flower ball is thick and compact, fine buds, green color, excellent product, suitable for preservation or frozen processing export.Plant growth is prosperous, more upright, good uniformity.This breed is suitable for autumn species and performs well in cold areas and under cold conditions.