COLD HARDY PLANTS
Growers and Breeders of Unusual Cold Hardy Plants
 

Yucca baileyi 

Quantity of plants tested: 10
Size of plant tested: 1st year seedlings which had leaves to 6" by November 2000.
Soil texture: loam, a little sand was incorporated in the top 3" of the loam.
When planted: the seedlings were planted in the ground in June 2000.
Winter protection: None.
Microclimate: Planted in a cold microclimate.  No sun from late Nov. through early Feb.
Temperature: refer to 2000-2001 winter on this chart
Findings: 1 plant pulled in February, 2 plants were 50-80% burnt, the rest were 0-20% burnt.  Overall, baileyi is a pretty hardy species.
yucca_baileyi.jpg (105210 bytes) September 4, 2000 - Here are some seedlings which were started in May 2000.
yucca_baileyi_2.jpg (79448 bytes) February 4, 2001 - The low temperature without snow cover this winter was 4F.  We had approximately 50"+ of snow this year including a late 5-6" snow storm during the last week of March.  The first 7 days of March had high temperatures 32F or lower (record).
yucca_baileyi_2001_apr4.jpg (88028 bytes) April 4, 2001 - Here are two of the plants after the winter.
yucca_baileyi_2001_oct1.jpg (61879 bytes) October 1, 2001 - Here are two plants in the fall of 2001.  This was a very slow growing species.



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