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Cold hardiness of hybrid witch hazels

Posted by ja-gardener 5 (My Page) on
Sun, Feb 24, 13 at 16:33

I am wondering who out there has grown any of the hybrid witch hazels like Arnold's Promise, Jelena, Diane etc. in zone 5 or colder zones. How about chinese witch hazel Pallida? Whats the upper limit on cold hardiness you have found.

Lots of sources say 5 or 6. Any success in 4b?

Thanks

Here is a link that might be useful: Witch hazel tree for flowers in February


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RE: Cold hardiness of hybrid witch hazels

  • Posted by whaas 5a SE WI (NW) (My Page) on
    Sun, Feb 24, 13 at 17:47

I've had a 5b winter so far and mine are all still alive. Jelena, Girard's Purple and Arnold's Promise. The fall color on Jelena has been terrible and the other two have been spectacular.

These are just early observations over 2 years. The first year I had them we had a 6b winter.

I picked up a couple Vernal witch hazels as they are a bit more hardy and color more reliably. Songsparrow has a slew of cultivars including several in various fall color shades....I always thought they go gold but there some that are somewhat orange and others that are red.


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RE: Cold hardiness of hybrid witch hazels

'Diane' has been 100% ok for me for 10 years. There was a 'Diane' growing in a street planting that died last year from drought....it was 20+ years old. I'm in zone 5b and hit that threshold (-10F to -15F) virtually every year and usually multiple times in a season. Coldest I remember from the last 15 years was -18F.

For this area, 'Diane' has great yellow fall color but the red flower petals just don't seem to get longer than 1/4" (3/8" tops)....makes for a lackluster display.


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