The honeyberry (Lonicera caerulea) (also known as a blue honeysuckle, sweetberry honeysuckle, fly honeysuckle, blue fly honeysuckle, blue-berried honeysuckle or haskap) is a fruit that is edible. It is a member of the honeysuckle family. It is easy to grow and has few pests. They are native to Russia and can tolerate very cold weather. They can survive down to −55 °F (−48 °C). They have been raised for centuries in Asia and Eastern Europe. Honeyberry is a well-behaved plant that is not seen as being an Invasive species.
- "Edible of the Month: Honeyberry". National Gardening Association. Retrieved January 10, 2017.
- Bonnie L. Grant. "Haskap Berry Info – How To Grow Honeyberries In The Garden". Gardening Know How. Retrieved January 10, 2017.
- "Uncommon Fruit". Board of Regents, University of Wisconsin. Archived from the original on January 4, 2017. Retrieved January 10, 2017.