Can you recommend an evergreen ivy for an NYC rooftop location?

The location is quite exposed to sun, wind, and cold. We're looking for a cold-hardy ivy that grows fast and tall.

Answer

Your best bet would probably be Hedera helix f. helix (synonym H. helix ‘Baltica’). It is cold tolerant to zone 5 (about -10 to -20 F), is a medium to fast grower and can reach a height of 50 feet. And while it would prefer partial shade, it can tolerate full sun. For all rooftop planting, the exposure requires choosing a plant that can tolerate one to two USDA zones colder than the location.

Be sure the containers have good drainage. These plants don't appreciate having wet, cold soil in the winter.

For tips on a variety of gardening topics, see our Plant Information Guides.
- Courtesy of NYBG Plant Information Service

  • Last Updated Feb 16, 2021
  • Views 701
  • Answered By Anita Finkle

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