|
|
| COLD HARDY
PLANTS Growers and Breeders of Unusual Cold Hardy Plants |
|
|
Yucca carnerosana (Brewster Co., TX) |
|
| Quantity
of plants tested: 19 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 seedling were planted in the ground in June 2000. Winter protection: None. Microclimate: Planted in a cold microclimate. No sun from mid Nov. early Feb. Temperature: refer to 2000-2001 winter on this chart Findings: all the plants died. Most plants pulled from the ground in March but a few did not pull until early April. |
|
 |
September 4, 2000 - Here are two seedlings which were started in May 2000. |
 |
November 23, 2000 - this photo shows leaf curl at about 20F. The leaves seem to curl when temps drop below 25F. |
 |
February 4, 2001 - The low temperature without snow cover has been 5F. 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). The seedlings were snow covered from Dec. 31 through Jan. 31 and from Feb. 5 through Feb. 14 and several other snow storms. |
 |
April 2001 - here are the dead plants. |
