Discussion thread for MEDITERRANEAN SURVIVABILTY INDEX ZONE 3B: The Pygmy Date Zone. If you would like to add a comment, click the Post Reply button.
I have a large R. mad. "monticola" that has never suffered cold damage. Even when younger, at around 27 it was OK while a similar sized H. bemoreana, D. lutescens, and Caryota urens, all fried to death. Ask me how I remember. They were all the first rare palms I purchased and planted before the 1980 freeze event. And I have another R. mad. 'mt. form' that is more sensitive. So I don't know what to tell you. I have even heard rumors that R. mad. 'mont' might really be R. dransfieldii. So I am unsure as to what a true R. mad really is.
As to P. rob. - they seem to start burning around 29 for me in Coastal SoCal.
As mentioned, I am fairly disconnected from this whole concept these days. So I am comfortable letting those still experiencing Calif. conditions to take the ball and discuss and run with it. So John, if you feel secure in a judgement, based on actual experience, feel free to act on it. A note here would be nice so anyone disputing a placement can chime in.
Was your R. mad in a protected area? My R. riv is next to the spa and Koi pond and has little damage this year (low of 27).
In any case, I'm with you Dean, if anyone has different experience, please dig in. NorCal and SoCal may have 9b zones, but they are very different.
My R. 'mont' was/is unprotected. But I am unclear about your statement. You mentioned R. mad and then referenced R. riv???
You can see my R. mont here HERE
Re: Different zones in NorCal as opposed to SoCal
That is the main reason I was attempting to rank things by species instead of temps. For example, if a P. rob dies before a Dypsis onilahensis in SoCal, it should die before a D. onil in SoCal as well. So witnessing living P. robs in any area of Calif. should give a grower the green light to plant D. onilahensis in that area, regardless of reported temps, or perceived growing zones.
Yes John I agree. That is why I think it's particularly noteworthy when two palms of similar size are planted side by side and one fries and one doesn't. I think that kind of info should be preserved - therefore a ranking when this info is available.
BTW - I wasn't declaring a D. onil as hardier than a P. rob, but I think it may be, and I would be curious to know of anyone's experiences. I bet someone already has an experience with those two, side by side.
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