Zone 8/8, see how beetroot can mature in half a season: sow seeds undercover a month before the first growing weather, then 4-6 weeks later cover plants in an outdoor bed with fleece/row cover for early harvests. Sow again in early summer to plant after clearing spring veg. Tips on preparing roots and leaves to eat.More info in my books https://www.charlesdowding.co.uk/product-category/books/. Filmed and edited by my son Edward Dowding February to May 2017, all at Homeaces, Somerset, UK https://edowding.net/
Finalist at The Gardening Oscars, London November 2017 in category "TV Broadcast of the Year".
See beetroot growing as one of many vegetables in this video about succeeding with early plantings https://www.youtube.com/watch?v=9yl8LIs5t2A and watch for the second video of this series, appearing in December 2017.