Thunderhead Japanese Black Pine TreesThunderhead Japanese Black Pine Trees for Sale Online Thunderhead Japanese Black Pine (Pinus thunbergii 'Thunderhead') is a shrub like, dense compact form of the Black Pine Tree. It has an irregular growth habit that adds character and interest to any landscape. Silvery white spring candles become rich, dark green dense needles that provide year round interest. Thunderhead Pine is an evergreen tree that is very popular for use as a focal point in