Turtlesteve Posted July 10, 2018 Report Share Posted July 10, 2018 Now that it's July I wanted to report in on losses and survivors in the January 2018 freeze. I had 5-6 consecutive nights below 20F, with absolute lows of 14F and 13F. Highs in the low-mid 30's. All plants fully exposed, no canopy unless noted. Ground froze to at least 2-3" in many areas of the yard. Most of the results are somewhat expected, I did not protect anything as the severity of the freeze caught me off guard (it was forecast for low-mid 20's here). Palms in the ground: Butia odorata (mature) Silver form, 50% defoliated. (5-7 gal) - Smaller silver Butia 50-100% defoliated but survived without aid. Many seedlings were killed. Butia sp. (5 gal) - green form. 100% defoliated and spear rot, barely survived. Butia x Syagrus (approx. 5 gal) - killed. Chamerops humilis (3 gal) - blue and green forms. All killed (3 separate palms), but a single sucker on one palm survived. Spear damage to mature palms in town. Livistona decora (5 gal) - killed Livistona chinensis (3 gal) - 100% burn but survived without aid. Phoenix dactylifera - Not mine, but I noted that a ~15 gal palm in town survived with 100% defoliation (under canopy). Rhapidophyllum hystrix (3 gal) - no damage Sabal minor (3 gal) - no damage Sabal Causarium (3 gal) - 2 palms survived with burn on old leaves only Trachycarpus fortunei (3-15 gal) - Total of 5 palms from 3-7 gallon had spear pull, one died from rot. 15 gallon palms had minor burn. Trachycarpus "waggie" (2 gal) - killed Washingtonia "filibusta" (3 gal) - killed Cycads in the ground: Cycas revoluta (12" trunk) - growth point was killed (top 3-4" of trunk turned to mush). The lower trunk is alive, but has not formed leaves yet in 2018. Cycas panzihuaensis (2" to 5" caudex) - all plants in the ground survived with 50-75% defoliation, and flushed without issue in spring. Dioon edule (2-5" caudex) - of 5 plants in the ground, the two largest (4-5") survived. Smaller plants died. Zamia floridana - killed (caudex was buried 2-3" deep) Other plants of interest: Quercus insignis - survived, but killed back to old growth. This oak defoliates under light frost, but leaves shielded from frost remain evergreen into the high teens - low 20's. Eucalyptus gunnii - two plants, both killed to the ground, only one came back E. cinerea - minor damage Citrus "Calamandarin" - killed to the ground European olive (unknown variety) killed back to the main trunk - 1" diameter. 2 6 Link to comment Share on other sites More sharing options...
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