Hi everyone. I too have been looking at what's available in Canada for kelp/seaweed fertilizers. Here are 3 possible options for liquid fertilizer all made in Canada.
1) KelpMan Sea Spray Organic Fertilizer
Available: online direct, Home Depot $29.97/500ml
The West Coast Canadian Kelp used in Kelpman is the giant Pacific Kelp called Macrocystis Integrifolia.
2) Rubicon Organic Fertilizer, Liquid Seaweed for Plant Growth
Available: Direct online, Canadian Tire $24.99/l
Marinis Seaweed Liquid Extract is a concentrated extract of Ascophyllum nodosum harvested from cold water.
3) Sea Forest SEA FARM Liquid Kelp Fertilizer
Available: Direct online at seaforest.ca, Amazon.ca - $19.95/l
Cold-press extract, made of Pacific Sea Kelp sustainably grown and harvested in Canada’s Salish Sea.
I have contacted Sea Forest to ask specifically what Pacific Kelp is in their fertilizer as Salish Sea has several kinds. The 2 main kinds are Bull kelp (Nereocystis luetkeana) and Giant kelp (Macrocystis pyrifera).
Super strictly speaking, kelp is a taxonomic distinction that refers to members of the Order Laminariales. Therefore very strictly speaking Ascophyllum nodosum isn’t really kelp, almost looks like it albeit smaller but not. It along with the others below are all part of Phaeophyceae(Brown algae) class.
So here’s how it goes in the 3 listed varieties above;
Phaeophyceae/Fucales/Fucaceae/ Ascophyllum nodosum(Rubicon)
Phaeophyceae/Laminariales/Lessoniaceae/Ecklonia maxima(Kelpak) and Nerocystis luetkeana(possibly Sea Forest Sea Farm)
Phaeophyceae/Laminariales/Laminariaceae/ Macrocystis pyrifera(integrifolia)(KelpMan) (possibly Sea Forest Sea Farm)
As soon as and if I hear back from Sea Forest, I’ll add on that info. Hope this can be of some benefit to the Canadian contingent as the expense of importing Kelpak can be prohibitive and I’m speaking from experience.($45.00/l plus post=YIKES)
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