This is a Russian variety of kale that produces frilled leaves and is obviously cold hardy. Very productive, each plant can produce for well over a year, in between attacks from the white cabbage moth and its caterpillars.  When to Plant Zone 1: September - April Zone 2: August - May Zone 3: March - July Zone 4: May - July For zone map CLICK HERE Soil Ensure your soil is nutrient rich so prepare it with fresh manure and compost a fortnight before planting. Integrate good levels of organic matter to increase its water holding ability. Soil pH Level 6.5-7.0 Position Full sun but will benefit from shading in warm weather. How to Plant Soak seeds in water overnight prior to planting and then sow directly into your patch at a depth of about 1cm.