Morus alba 'Issai'

This dwarf form of mulberry bears sweet, seedless fruit continuously when kept in good conditions for growing mulberries.

Scientific classification:

Kingdom: Plantae
Division: Angiosperms
Class: Eudicots
Order: Rosales
Family: Moraceae
Genus: Morus
Species: alba
Cultivar: 'Issai'


Natural habitat and growing conditions:

Native to East Asia, this bush or small tree is highly-adaptable to different climates. It is winter-hardy to -20°F and goes dormant when temperatures dip below freezing, but if kept consistently warm and given adequate light it will grow and fruit continuously.

Notes of interest:

  • The dark purple fruit taste somewhat like a fig.
  • This plant is widely cultivated to feed to silkworms, which produce silk.
  • The green flowers are unremarkable to look at, but expel their pollen at 350 miles per hour -- over half the speed of sound -- the fastest known movement of any plant.