Buyer Beware:  Compare the seller’s claims about hardiness zones against the plant’s natural habitat. While it may survive, it’s not likely that it will do well outside of the hardiness zone associated with its natural habitat. Remember that this is a cold climate plant and it’s still not known how far south it can be grown.


(Lonicera caerulea var. edulis)

These plants were developed by Dr. Bob Bors from the University of Saskatchewan from Russian varieties and are suited to the colder climate areas of Canada and the US. Although they carry the Haskap name, as yet they contain no genetic material from the Japanese varieties on Hokkaidō in Northern Japan. Per Dr. Bors: “In 2007 we released two named varieties ‘Borealis’ and ‘Tundra’ and 3 test selections; 9-91, 9-92 and 9-15. These 5 are Russian / Kuril-Island hybrids.” (Growing Haskap in Canada, page 3) Dr. Bors indicates that he is now working with Japanese genetic material and crossing it with Russian and Kuril germplasm.

LICENSED PROPAGATORS: Per the University of Saskatchewan



European Union, Switzerland and Norway:







(Lonicera caerulea var. emphyllocalyx)

These plants were developed by Dr. Maxine Thompson from Japanese Haskap varieties and are suited to the more temperate climates of the pacific northwest. They contain only genetic material from the Japanese varieties of Northern Japan. The Russian varieties have a very short chilling requirement which may be satisfied by November in the pacific northwest. If warm temperatures occur, they will begin to grow and flower when no pollinators are available. A subsequent return of cold weather could damage them. These plants bloom 3 weeks later than most of the Russian varieties.  They are being grown successfully as far south as the Kentucky/Tennessee border which is USDA Zone 6b.


(mostly Lonicera caerulea var. edulis)

These plants were introduced to North American from Russia by Jim Gilbert of One Green World in Oregon. Their website recognizes the problems of short mild winters for some varieties and offers early and late blooming varieties.



United Kingdom:



Czech Republic:


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7 Responses to Plants

  1. rob mills says:

    just to let you know that we have been selling honeyberry (One Green World japanese var’s) for the last 8 years and the UofSask ones for the last year or so. we are retail, walk in only, no mailorder. Many other local retailers are also picking up on these now.

  2. We had good success with our shipments from Canada for distribution to the US market, with more than a 98% survival rate for the U of S haskap and about 93% for the Berry Smart Blue Honeyberry (same as Berry Blue(TM)). We take orders year round for spring and fall shipping. -HoneyberryUSA.

  3. Please be advised that Haskap Central Sales Ltd. is a licensed propagator of the U of S material for the European Union, Switzerland and Norway. We are presently taking orders for delivery in the fall of 2012

  4. Berries unlimited in the USA has an extensive breeding program – the breeder was in Russia for 12 years and brought back 8 different lines

  5. Bob Bors says:

    The newest Haskap variety from the U of SK, ‘Aurora’. is half Japanese (Hokkaido) and half Russian. It was distributed to propagators starting fall of 2012 and likely not much will be available until 2014. Likely in 2 years there will be others released that have Hokkaido Haskap in their lineage.

    Regarding Kurile Germplasm: The Kurile Islands used to belong to Japan but Russian took the islands after WWII, but that’s a lhistorical reason to call them Haskap. I suspect they are from the mountains of the Kurile Islands. Plants from that germplasm resemble Haskap plants from mountains in Hokkado (which I saw in collections when visiting) and Northern Honshu. There are also similar looking plants found in Eastern Canada.

    As a general rule it is best to consider that plants from a more southern location are better suited for the south, However, the Kurile plants are the last of the Edible Honeysucke/kurile types to flower and are less likely to bloom too early during warm days in winter. So even though they come from a bit farther north, they likely can be grown farther south than Hokkaido haskap. Kurile hybrids have more resistance to sunburn and mildew which can be expected from a high elevation plant since there is more UV light to cause damage in higher elevations. Unfortunately, the original Kuriles aren’t very productive (easily 20% or less than most Russian or Japanese types) but I do believe that using them in breeding will someday extend the growing range farther south.

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