Mindblown: a blog about philosophy.

Those in the cooler half of the temperate zones, essentially those regions between about 40 and 60 degrees latitude though extending closer to the equator in highlands and large continental landmasses of the northern hemisphere. Regions between 60 degrees north and the Arctic Circle are usually termed subarctic.  

A glassed-in area for growing frost-tender plants, usually attached to or forming part of a house.  

A disease of cabbages and related vegetables and ornamental plants in the brassica family, such as stocks, caused by the slime mold fungus Plasmodiophora brassica  

A miniature, portable greenhouse placed over crops in the open ground to protect them from cold or encourage early development. Traditionally made from two or four pieces of glass in a wire frame, but can be simply a wire frame clad in transparent polythene.  

Literally, occurring right around the Arctic (or Antarctic) Zone. Applied mainly to northern hemisphere plant species that occur in the far north of both Eurasia and North America, often extending south to high mountain ranges such as the Rocky Mountains and the Alps.  

A kind of soft, porous limestone that on weathering produces very fine, powdery, alkaline soil in which many garden plants are difficult to grow. Chalk soils are common in parts of the UK.  

A head of flowers, that is a type of inflorescence in which the flowers are crowded onto the apex of a stem with their individual stalks reduced to zero length; or used in cacti for a specialized area of the stem, usually with a dense mass of wool, hairs or bristles, from which the flowers…