When to sow spring spinach seeds Home › Forums › Edible-Garden Questions › Vegetables & Herbs › When to sow spring spinach seeds This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 8 years, 1 month ago. Viewing 1 post (of 1 total) Author Posts March 17, 2009 at 12:40 pm #28705 Anonymous Plant now. Spinach is tough, you can sow it anytime the soil can be worked. You can even plant it in the autumn and have it over winter for an early spring crop. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.