Comes as a 4-pack. Kale and collards are cold-hardy crops, plants can grow all season with multiple harvests. 
 
Green Curly Kale: Well-known green variety with large frilly/curly leaves. 
 
Purple Curly Kale: Similar to green curly, with dark purple colouring. 
 
Black Kale: Also known as Dinosaur Kale or Tuscan Kale. Long dark green leaf. 
 
Mix Kale: A 4-pack with multiple varieties: green curly, purple curly, black and Red Russian. 
 
Collards: Wide round leaves, texture similar to cabbage leaves, delicious flavour.