As for the trees enjoying their peak blooms as March begins? The tracker tells us that Malus floribunda and Prunus "First Lady," trees found beyond the Japanese Garden, are in full flower.

They also make good pollinators for domestic apple trees. The Japanese crab, Malus floribunda, is a low but wide-spreading tree – when fully grown it’s wider than it is tall. Malus sargentii ...

(a) Family tree of Malus species showing potential evolution ... genome graph showing relationship between a segment of the M. floribunda genome and the reference Fuji genome.