Bristol wide event on Saturday 6th & Sunday 7th June. Community gardens and allotments are opening their gates to visitors. Lets Grow! Community allotment on Springfield Allotments, Andover rd. Knowle BS4 1AJ. Open on Saturday 6th June from 11 am until 3pm. Come and join us for homemade cakes and refreshments. Take a tour of the site and watch a weaving demonstration between 12pm and 2pm.