Herbs forum: Biennial and perennial herbs for nrthern climes?

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Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Jan 10, 2016 3:15 PM CST
Parsley and Caraway are biennials.
Lovage, Spearmint and Peppermint are perennial.
What other herbs would be either biennial or perennial here?
Which Thymes are hardiest?
Name: Deb
Pacific Northwest (Zone 8b)
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Bonehead
Jan 11, 2016 12:37 PM CST
I struggle with thyme, but have found the red creeping to be reliable for me. Perennial herbs that do well in my zone 8: horseradish, melissa, bee balm, echinacea, sea holly, lovage, helenium, comfrey, fleabane, fennel, garlic

More iffy herbs: rosemary, any in the artemesia family, lavenders, arnica did well for about 3 years then just went away, ajuga, horehound, curry plant
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Name: Sean B Murray
Riverhead, NY (Zone 7a)
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Whitebeard
Jan 11, 2016 5:45 PM CST
Zone 3 is tricky for herbs... for many things I imagine! Brrr. Both English and French thyme (culinary) are worth a shot. Others you might try: Chives (Allium schoenoprasum) which should work fine, as should echinacea (Echinacea purpurea), comfrey (Symphytum officinale), and catnip (Nepeta cataria). Most of the others, you'll have to do in pots or plant them for a while and then dig them up so that you can move them inside.
Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Region: Canadian Bulbs Winter Sowing Enjoys or suffers cold winters Lilies
Peonies Plant Lover: Loves 'em all! Garden Ideas: Master Level
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CarolineScott
Jan 12, 2016 8:17 AM CST
Thank you both for good ideas.
I do have horse radish and chives growing through our winters.
My neighbour has comfrey.
Most will need to be in containers so they come in for winter here.
Thymes sometimes come through.

Actually we are now zone 4a according to Environment Canada.
They use a system which includes factors other than just temperature.
Altitude, precipitation etc.
[Last edited by CarolineScott - Jan 12, 2016 8:21 AM (+)]
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Name: Cinda
Indiana Zone 5b
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gardengus
Jan 12, 2016 10:26 AM CST
I'm not sure about oregano or sage they both do well in my zone 5

I have had some luck with some perennials that need warmer winter weather than I have here by putting flat stepping stones near the base of the plants ,seems to keep the soil just a tad warmer
also when I have lost a perennial herb it is almost always due to the too wet conditions over the winter into spring, so good drainage is a must.

good luck adding to your herb collection Thumbs up
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all else is just existing.
Name: Caroline Scott
Calgary (Zone 4a)
Charter ATP Member Region: Canadian Bulbs Winter Sowing Enjoys or suffers cold winters Lilies
Peonies Plant Lover: Loves 'em all! Garden Ideas: Master Level
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CarolineScott
Jan 12, 2016 6:36 PM CST
Good ideas Cinda!

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