Method for forcing hydrangea plants into bloom all year round.

摘要

Method for forcing hydrangea plants (Hydrangea macrophylla (Thunb.) Ser.) into bloom all year round. According to this method hydrangea plants grown from tissue culture material are used which have undergone a dormant period at a temperature below 0 DEG C, preferably at a temperature of -5 DEG C to -2 DEG C, after flower and formation and lignification.