COLD HARDY PLANTS
Growers and Breeders of Unusual Cold Hardy Plants
 

Eucalyptus macarthurii 

Quantity of plants tested: 18
Size of plant tested: 1st year seedlings which were 8" to 4' tall by November 2000.
Soil texture: sandy loam and covered with 2" pine bark mulch.
When planted: the seedling were planted in the ground in July 2000.
Winter protection: None.
Microclimate: 10 were planted in an average microclimate, and 8 were planted in a cold microclimate.
Temperature: refer to 2000-2001 winter on this chart
Findings: all the plants died, none resprouted from the roots.
eucalyptus_macarthurii_2000_sept20.JPG (51700 bytes) September 20, 2000 - This photo shows one of the macarthuriis as of September 20, 2000.
eucalyptus_macarthurii_2000_nov23.jpg (32346 bytes) November 23, 2000 - This photo shows damage to the juvenile leaves after a night down to 19F. No damage was observed after two 25F nights.
eucalyptus_macarthurii_2000_dec16.jpg (46757 bytes) December 16, 2000 - This photo shows the difference in hardiness between 2 macarthurii plants.  The undamaged plant is the top one, the dead one is the lower one.  The low so far has been 5F.



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