COLD HARDY PLANTS
Growers and Breeders of Unusual Cold Hardy Plants
 

Yucca arkansana 

Quantity of plants tested: 1
Size of plant tested: 1st year seedling which had leaves to 3" by November 2000, very small.
Soil texture: loam, a little sand was incorporated in the top 3" of the loam.
When planted: the seedling was planted in the ground in July 2000.
Winter protection: None.
Microclimate: Planted in a cold microclimate.  No sun from late Nov. to early Feb.
Temperature: refer to 2000-2001 winter on this chart
Findings: the plant survived with little to no damage.
yucca_arkansana.JPG (15993 bytes) September 4, 2000 - Here is the seedling which was germinated in late June 2000.  Very small, we are not sure if it's fully healthy.
yucca_arkansana_2.jpg (25727 bytes) March 2001 - The low temperature without snow cover has been 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_arkansana_2001_oct1.jpg (41528 bytes) October 1, 2001 - this photo shows the plant on October 1, 2001.  The plant is growing well, although on the slow side.
yucca arkansana 2002 sept28 r.jpg (73182 bytes) September 28, 2002 - this photo shows the same arkansana one year later.  It's starting to grow rapidly now.
yucca_arkansana_2003_apr12r.jpg (74593 bytes) April 12, 2003 - this photo shows the same arkansana after a cold winter.  It's rather beat up with most leaves burnt.



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