Common walnut

Common walnut

Juglans regia

Also known as: Persian walnut · Family: Juglandaceae

About this plant

Grown for the nuts, but the roots release a substance that kills many plants nearby. Pick the nuts as the husks split.

Schedule

water
every 10–21 days
fertilizer
every 273 days
repotting
every 5 years
Light
Direct sun
Humidity
Low
Temperature
-25–35°C

Paused for winter

Sources

Every care recommendation cites its source — RHS, Missouri Botanical Garden, IFAS, NC State — instead of being written from memory.