I'm interested to know if there are any hardy limes or other citrus which would be comfortable outdoors in southwestern Ontario. I saw some beautiful pleached limes from England and would love to replicate that if possible. Thanks so much.
Hardy Limes or Citrus
Certified GKH Gardening Expert
Citrus need warm weather to grow and produce fruit.
Zone 8 or warmer are necessary to grow a citrus tree outdoors.
You could try a dwarf indoor variety for fun!
Here are some articles with more information.