Look up: half-hardy

1. Half-Hardy
   Just as the word depicts, not completely hardy. Good examples re pansies, snapdragons, sweet alyssum. They will tolerate some light frost and cold nights.
   Found on http://www.emilycompost.com/garden_gloss
   
   
2. Half-hardy
   Applied to annuals, this indicates that a plant is able to cope with temperatures down to 0°C (32°F) but not hard frost.
   Found on http://www.bbc.co.uk/gardening/htbg/glos
   
   
3. half-hardy
   [adj] - (of plants) requiring protection from frost
   Found on http://www.webdictionary.co.uk/definitio
   
   
4. Half-hardy
   Term used for plants that can generally only be grown outdoors during the summer but which may survive mild winters outdoor in a sheltered position
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
5. half-hardy
   adjective (of plants) requiring protection from frost; `half-hardy annuals`
   Found on http://wordnetweb.princeton.edu/perl/web